platform/kernel/linux-starfive.git
3 years agodt-bindings: mfd: brcm,cru: Add clkset syscon
Rafał Miłecki [Mon, 13 Sep 2021 08:00:21 +0000 (10:00 +0200)]
dt-bindings: mfd: brcm,cru: Add clkset syscon

CRU has a shared register that is used e.g. to control USB 2.0 PHY block
access. It's a single 32 b register. Document it as syscon so it can be
used with a regmap.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
3 years agodt-bindings: mfd: Add Broadcom's MISC block
Rafał Miłecki [Thu, 19 Aug 2021 15:25:52 +0000 (17:25 +0200)]
dt-bindings: mfd: Add Broadcom's MISC block

Broadcom's MISC is an MFD hardware block used on some of their SoCs like
bcm63xx and bcm4908. At this point only PCIe reset is fully understood
and documented. More functions may be added later.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
3 years agoMerge branches 'ib-mfd-iio-touchscreen-clk-5.16', 'ib-mfd-misc-regulator-5.16' and...
Lee Jones [Fri, 5 Nov 2021 14:37:56 +0000 (14:37 +0000)]
Merge branches 'ib-mfd-iio-touchscreen-clk-5.16', 'ib-mfd-misc-regulator-5.16' and 'tb-mfd-from-regulator-5.16' into ibs-for-mfd-merged

3 years agodt-bindings: mfd: samsung,s5m8767: Document buck and LDO supplies
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:40:24 +0000 (13:40 +0200)]
dt-bindings: mfd: samsung,s5m8767: Document buck and LDO supplies

Document the properties with regulator supplies for bucks and LDOs.  At
least one board uses it (Exynos5250 Arndale).

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211008114024.135335-1-krzysztof.kozlowski@canonical.com
3 years agodt-bindings: mfd: samsung,s5m8767: Convert to dtschema
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:39:31 +0000 (13:39 +0200)]
dt-bindings: mfd: samsung,s5m8767: Convert to dtschema

Convert the MFD part of Samsung S5M8767 PMIC to DT schema format.
Previously the bindings were mostly in mfd/samsung,sec-core.txt.

Since all of bindings for Samsung S2M and S5M family of PMICs were
converted from mfd/samsung,sec-core.txt to respective dtschema file,
remove the former one.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211008113931.134847-6-krzysztof.kozlowski@canonical.com
3 years agodt-bindings: mfd: samsung,s2mpa01: Convert to dtschema
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:39:30 +0000 (13:39 +0200)]
dt-bindings: mfd: samsung,s2mpa01: Convert to dtschema

Convert the MFD part of Samsung S2MPA01 PMIC to DT schema format.
Previously the bindings were mostly in mfd/samsung,sec-core.txt.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211008113931.134847-5-krzysztof.kozlowski@canonical.com
3 years agodt-bindings: mfd: samsung,s2mps11: Convert to dtschema
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:39:29 +0000 (13:39 +0200)]
dt-bindings: mfd: samsung,s2mps11: Convert to dtschema

Convert the MFD part of Samsung S2MPS11/S2MPS13/S2MPS14/S2MPS15/S2MPU02
family of PMICs to DT schema format.  Previously the bindings were
mostly in mfd/samsung,sec-core.txt.

The conversion copies parts of description from existing bindings
therefore the license is not changed from GPLv2.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211008113931.134847-4-krzysztof.kozlowski@canonical.com
3 years agoMerge tag 'tags/s2m_s5m_dtschema' into tb-mfd-from-regulator-5.16
Lee Jones [Thu, 21 Oct 2021 09:44:22 +0000 (10:44 +0100)]
Merge tag 'tags/s2m_s5m_dtschema' into tb-mfd-from-regulator-5.16

regulator/clock: Convert the s2m and s5m DT bindings to schema

Tagged to allow further bindings to rely on these.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
3 years agoiio: adc: ti_am335x_adc: Add the am437x compatible
Miquel Raynal [Fri, 15 Oct 2021 08:15:03 +0000 (10:15 +0200)]
iio: adc: ti_am335x_adc: Add the am437x compatible

This driver supports both the legacy controller (am33xx) and the
extended one (am437x), so let's add a new compatible.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-46-miquel.raynal@bootlin.com
3 years agoiio: adc: ti_am335x_adc: Add the scale information
Miquel Raynal [Fri, 15 Oct 2021 08:15:02 +0000 (10:15 +0200)]
iio: adc: ti_am335x_adc: Add the scale information

Without the scale, the values returned to the user are just a picture of
the input voltage against the full scale range of the ADC. We need to
provide the actual conversion factor to get milli-Volts values.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-45-miquel.raynal@bootlin.com
3 years agoiio: adc: ti_am335x_adc: Add a unit to the timeout delay
Miquel Raynal [Fri, 15 Oct 2021 08:15:01 +0000 (10:15 +0200)]
iio: adc: ti_am335x_adc: Add a unit to the timeout delay

The lack of unit in the macro name kind of tricked me when I was
troubleshooting an issue. Physical constants should always get a unit.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-44-miquel.raynal@bootlin.com
3 years agoiio: adc: ti_am335x_adc: Gather the checks on the delays
Miquel Raynal [Fri, 15 Oct 2021 08:15:00 +0000 (10:15 +0200)]
iio: adc: ti_am335x_adc: Gather the checks on the delays

Move the checks over the delays provided in the device tree to the
location where these values are read to clarify where they come from.

There are no functional changes besides the device structure used to
display the warnings: let's use the ADC instead of the MFD device.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-43-miquel.raynal@bootlin.com
3 years agoiio: adc: ti_am335x_adc: Get rid of useless gotos
Miquel Raynal [Fri, 15 Oct 2021 08:14:59 +0000 (10:14 +0200)]
iio: adc: ti_am335x_adc: Get rid of useless gotos

Gotos jumping to a return statement are not really useful, drop them.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-42-miquel.raynal@bootlin.com
3 years agoiio: adc: ti_am335x_adc: Fix style
Miquel Raynal [Fri, 15 Oct 2021 08:14:58 +0000 (10:14 +0200)]
iio: adc: ti_am335x_adc: Fix style

These warnings are reported by checkpatch.pl essentially.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-41-miquel.raynal@bootlin.com
3 years agoiio: adc: ti_am335x_adc: Replace license text with SPDX tag
Miquel Raynal [Fri, 15 Oct 2021 08:14:57 +0000 (10:14 +0200)]
iio: adc: ti_am335x_adc: Replace license text with SPDX tag

Drop the text license and replace it with an equivalent SPDX license tag
identifier which also matches the MODULE_LICENSE("GPL").

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-40-miquel.raynal@bootlin.com
3 years agoiio: adc: ti_am335x_adc: Wait the idle state to avoid stalls
Miquel Raynal [Fri, 15 Oct 2021 08:14:56 +0000 (10:14 +0200)]
iio: adc: ti_am335x_adc: Wait the idle state to avoid stalls

At least on a am4372, a simple:
$ cat /sys/bus/iio/devices/iio\:deviceX/in_voltage*_raw
can stall forever. It seems that it comes from the fact that the
internal state machine does not have enough time to return to its idle
state in this situation before receiving another request, leading to an
internal stall.

Add a tiadc_wait_idle() helper to ensure no new conversion is requested
while the FSM is still busy.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-39-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Support the correctly spelled DT property
Miquel Raynal [Fri, 15 Oct 2021 08:14:55 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Support the correctly spelled DT property

There was in the past a typo in the coordinate readouts property. The
bindings have been updated, the touchscreen driver as well and now
supports both. However, the MFD driver that is in charge of verifying
the validity of the property only checks the bogus one. Add support for
the correctly spelled DT property.

Fixes: c9aeb249bf72 ("Input: ti_am335x_tsc - fix spelling mistake in TSC/ADC DT binding")
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-38-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Add ADC1/magnetic reader support
Miquel Raynal [Fri, 15 Oct 2021 08:14:54 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Add ADC1/magnetic reader support

Introduce a new compatible that has another set of driver data,
targeting am437x SoCs with a magnetic reader instead of the
touchscreen and a more featureful set of registers.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-37-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Introduce a helper to deal with the type of hardware
Miquel Raynal [Fri, 15 Oct 2021 08:14:53 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Introduce a helper to deal with the type of hardware

One way of knowing which hardware we are dealing with is to check the
compatible string. When this must be done at several places, it's best
and certainly more clear to use a helper for that.

Introduce ti_adc_with_touchscreen() to indicate if there is a touchscreen
controller available (meaning it's an am33xx-like ADC). This helper does
not indicate if it is actually used (that is the purpose of the use_tsc
boolean).

Introducing this helper helps making a difference in the code between
what is generic to both types of ADCs and what is specific to the am33xx
hardware before introducing support for the am437x hardware.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-36-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Add a boolean to clarify the presence of a touchscreen
Miquel Raynal [Fri, 15 Oct 2021 08:14:52 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Add a boolean to clarify the presence of a touchscreen

Just checking the number of wires will soon not be enough, add a boolean
to indicate the actual use or not of the touchscreen.

Certain checks only make sense when there is a touchscreen wired. Make
these checks explicitly depend on the presence of the touchscreen.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-35-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Fix an error message
Miquel Raynal [Fri, 15 Oct 2021 08:14:51 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Fix an error message

The error message if we cannot retrieve the clock tells us that the
touchscreen controller clock was unavailable. This is wrong, this is the
"main" clock for the hardware block, it is not specific to the
touchscreen and won't change when we will introduce ADC1/magnetic reader
support so let's correct this comment.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-34-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Rename a variable
Miquel Raynal [Fri, 15 Oct 2021 08:14:50 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Rename a variable

We need to retrieve the number of wires used by the "secondary" device
(the touchscreen or the magnetic reader). Let's rename tsc_wires to
become tscmag_wires to clarify the fact that this variable can be used
in both situations.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-33-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Add TSC prefix in certain macros
Miquel Raynal [Fri, 15 Oct 2021 08:14:49 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Add TSC prefix in certain macros

While the register list (and names) between ADC0 and ADC1 are pretty
close, the bits inside changed a little bit. To avoid any future
confusion, let's add the TSC prefix when some bits are in a register
that is common to both revisions of the ADC, but are specific to the
am33xx hardware.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-32-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Rename the subsystem enable macro
Miquel Raynal [Fri, 15 Oct 2021 08:14:48 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Rename the subsystem enable macro

This bit is common to all devices (ADC, Touchscreen, Magnetic reader) so
make it clear that it can be used from any location by operating a
mechanical rename:
s/CNTRLREG_TSCSSENB/CNTRLREG_SSENB/

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-31-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Drop useless definitions from the header
Miquel Raynal [Fri, 15 Oct 2021 08:14:47 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Drop useless definitions from the header

Drop useless definitions from the header like the "masks" definitions
which are only used by the following definition.

It could be possible to got even further by removing these definitions
entirely and use FIELD_PREP() macros from the code directly, but while I
have no troubles making these changes in the header, changing the values
in the code directly could darkening a bit the logic and
hardening future git-blames for very little added value IMHO (but this
is of course a personal taste).

Certain macros are using GENMASK() to define the value of a particular
field, while this is purely "by chance" that the value and the mask have
the same value. In this case, drop the "mask" definition, use
FIELD_PREP() and GENMASK() in the macro defining the field, and use the
new macro to define the particular value by feeding directly the actual
number advertised in the datasheet into that macro, as in:
-#define STEPCONFIG_RFM_VREFN   GENMASK(24, 23)
-#define STEPCONFIG_RFM(val)    FIELD_PREP(STEPCONFIG_RFM_VREFN, (val))
+#define STEPCONFIG_RFM(val)    FIELD_PREP(GENMASK(24, 23), (val))
+#define STEPCONFIG_RFM_VREFN   STEPCONFIG_RFM(3)

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-30-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Clarify the maximum values for DT entries
Miquel Raynal [Fri, 15 Oct 2021 08:14:46 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Clarify the maximum values for DT entries

Clearly define the maximum open delay and sample delay. Use these
definitions in place of a mask (which works because this is the first
field in the register) and an open-coded value. While at it reword a
little bit the error messages to make them look clearer and similar.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-29-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Use BIT(), GENMASK() and FIELD_PREP() when relevant
Miquel Raynal [Fri, 15 Oct 2021 08:14:45 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Use BIT(), GENMASK() and FIELD_PREP() when relevant

Clean the ti_am335x_tscadc.h header by:
* converting masks to GENMASK()
* converting regular shifts to BIT()
* using FIELD_PREP() when relevant

Sometimes reorder the lines to be able to use the relevant bitmask.

Mind the s/%d/%ld/ change in a log due to the type change following the
use of FIELD_PREP() in the header.

Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-28-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Drop unused definitions from the header
Miquel Raynal [Fri, 15 Oct 2021 08:14:44 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Drop unused definitions from the header

The STEP ENABLE definitions are highly unclear and not used so drop them.

Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-27-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Use the new HZ_PER_MHZ macro
Miquel Raynal [Fri, 15 Oct 2021 08:14:43 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Use the new HZ_PER_MHZ macro

Before adding another frequency with even more zeroes, use the
HZ_PER_MHZ macro to clarify the number.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-26-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Fix header spacing
Miquel Raynal [Fri, 15 Oct 2021 08:14:42 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Fix header spacing

Harmonize the spacing within macro definitions.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-25-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Replace the header license text with SPDX tag
Miquel Raynal [Fri, 15 Oct 2021 08:14:41 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Replace the header license text with SPDX tag

Drop the text license and replace it with an equivalent SPDX license tag
identifier.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-24-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Gather the ctrl register logic in one place
Miquel Raynal [Fri, 15 Oct 2021 08:14:40 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Gather the ctrl register logic in one place

Instead of deriving in the probe and in the resume path the value of the
ctrl register, let's do it only once in the probe, save the value of
this register (all but the subsystem enable bit) in the driver's
structure and use it from the resume callback.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-23-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Reorder the initialization steps
Miquel Raynal [Fri, 15 Oct 2021 08:14:39 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Reorder the initialization steps

TI AM335X TRM [1] states that most of the configuration should be set in
the control register in the first place, before actually enabling the
hardware with the subsystem enable bit.

So far only half of the configuration was made in the first step (before
enabling the "subsystem"), which does not make really sense. Also, the
probe and the resume patch were acting differently. Let's harmonize all
this by following these steps:
1/ Configure the CLKDIV register
2/ Configure the CTRL register
3/ Configure the idle configuration
4/ Really enable the device by rewriting the CTRL register with the
   subsystem enable bit set.

[1] https://www.ti.com/lit/pdf/spruh73

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-22-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Always provide an idle configuration
Miquel Raynal [Fri, 15 Oct 2021 08:14:38 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Always provide an idle configuration

The idle register is valid no matter if the touchscreen is used or not,
let's always configure it.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-21-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Drop useless variables from the driver structure
Miquel Raynal [Fri, 15 Oct 2021 08:14:37 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Drop useless variables from the driver structure

Keeping the count of tsc_cells and adc_cells is completely redundant, we
can derive this information from other variables. Plus, these variables
are not used anywhere else now. Let's get rid of them.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-20-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Mimic the probe from resume()
Miquel Raynal [Fri, 15 Oct 2021 08:14:36 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Mimic the probe from resume()

Use the number of touchscreen wires (tsc_wires) instead of the flag
indicating a touchscreen cell (tsc_cell) to mimic the logic from the
probe.

Besides keeping a certain harmony in the driver, the main benefit is
that we are going to simplify the number of entries in the main MFD
structure and tsc_cell can now be removed more easily.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-19-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Use driver data
Miquel Raynal [Fri, 15 Oct 2021 08:14:35 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Use driver data

So far every sub-cell parameter in this driver was hardcoded: cell name,
cell compatible, specific clock name and desired clock frequency.

As we are about to introduce support for ADC1/magnetic reader, we need a
bit of flexibility. Let's add a driver data structure which will contain
these information.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-18-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Move the driver structure allocation earlier
Miquel Raynal [Fri, 15 Oct 2021 08:14:34 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Move the driver structure allocation earlier

Allocating the driver structure should be done earlier in the probe so
that we can used its members from the beginning.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-17-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Simplify divisor calculation
Miquel Raynal [Fri, 15 Oct 2021 08:14:33 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Simplify divisor calculation

Let's rewrite this on a single line, it does not hurt the readability
and saves a useless temporary variable.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-16-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Don't search the tree for our clock
Miquel Raynal [Fri, 15 Oct 2021 08:14:32 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Don't search the tree for our clock

There is a single clock available in our node, which is named
"fck". The clock handler then points to adc_tsc_fck but no need to point
directly to it and do a full tree search.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-15-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Reword the comment explaining the dividers
Miquel Raynal [Fri, 15 Oct 2021 08:14:31 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Reword the comment explaining the dividers

The comment misses the main information which is that we assume that a
sample takes 15 ADC clock cycles to be generated. Let's take the
occasion to rework a little bit this comment.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-14-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Drop extra spacing when declaring stack variables
Miquel Raynal [Fri, 15 Oct 2021 08:14:29 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Drop extra spacing when declaring stack variables

Many variables will be updated (renamed, dropped, added) in the upcoming
changes, so let's simplify the style to avoid messing with spaces over
and over again.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-12-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Get rid of useless gotos
Miquel Raynal [Fri, 15 Oct 2021 08:14:30 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Get rid of useless gotos

Goto's jumping to a return statement are not really useful, drop them.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-13-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Fix style
Miquel Raynal [Fri, 15 Oct 2021 08:14:28 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Fix style

These are mostly deffects reported by checkpatch.pl.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-11-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Replace license text with SPDX tag
Miquel Raynal [Fri, 15 Oct 2021 08:14:27 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Replace license text with SPDX tag

Drop the text license and replace it with an equivalent SPDX license tag
identifier which also matches the MODULE_LICENSE(GPL) macro.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-10-miquel.raynal@bootlin.com
3 years agomfd: ti_am335x_tscadc: Ensure a balanced number of node get/put
Miquel Raynal [Fri, 15 Oct 2021 08:14:26 +0000 (10:14 +0200)]
mfd: ti_am335x_tscadc: Ensure a balanced number of node get/put

of_node_put() should be called after a successful of_get_child_by_name().

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-9-miquel.raynal@bootlin.com
3 years agodt-bindings: iio: adc: ti,am3359-adc: Describe am4372 ADC compatible
Miquel Raynal [Fri, 15 Oct 2021 08:14:25 +0000 (10:14 +0200)]
dt-bindings: iio: adc: ti,am3359-adc: Describe am4372 ADC compatible

A more recent version of the am3359 ADC is available on certain SoCs of
the am437x family. This IP has evolved a little bit and deserves its own
compatible.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-8-miquel.raynal@bootlin.com
3 years agodt-bindings: mfd: ti,am3359-tscadc: Describe am4372 MFD compatible
Miquel Raynal [Fri, 15 Oct 2021 08:14:24 +0000 (10:14 +0200)]
dt-bindings: mfd: ti,am3359-tscadc: Describe am4372 MFD compatible

A more recent version of the am3359 ADC/Touchscreen controller is
available on certain SoCs of the am437x family. This IP has evolved a
little bit and deserves its own compatible.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-7-miquel.raynal@bootlin.com
3 years agodt-bindings: touchscreen: ti,am3359-tsc: Remove deprecated text file
Miquel Raynal [Fri, 15 Oct 2021 08:14:23 +0000 (10:14 +0200)]
dt-bindings: touchscreen: ti,am3359-tsc: Remove deprecated text file

Now that the three hardware peaces described in this file have been
translated in yaml in 3 dedicated files (MFD, touchscreen controller and
ADC) it is time to remove this text file.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-6-miquel.raynal@bootlin.com
3 years agodt-bindings: iio: adc: ti,am3359-adc: New yaml description
Miquel Raynal [Fri, 15 Oct 2021 08:14:22 +0000 (10:14 +0200)]
dt-bindings: iio: adc: ti,am3359-adc: New yaml description

This ADC was already described in a text file also containing an MFD
description an a touchscreen description:
Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt
Let's add a proper description for this hardware.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-5-miquel.raynal@bootlin.com
3 years agodt-bindings: touchscreen: ti,am3359-tsc: New yaml description
Miquel Raynal [Fri, 15 Oct 2021 08:14:21 +0000 (10:14 +0200)]
dt-bindings: touchscreen: ti,am3359-tsc: New yaml description

This touchscreen controller is already described in a text file:
Documentation/devicetree/bindings/input/touchscreen/ti-tsc-adc.txt

After introducing a proper description of the MFD, this is the second
step. The file cannot be removed yet as it also contains an ADC
description.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-4-miquel.raynal@bootlin.com
3 years agodt-bindings: mfd: ti,am3359-tscadc: Add a yaml description for this MFD
Miquel Raynal [Fri, 15 Oct 2021 08:14:20 +0000 (10:14 +0200)]
dt-bindings: mfd: ti,am3359-tscadc: Add a yaml description for this MFD

There is a very light description of this MFD in a text file dedicated
to a touchscreen controller (which is one of the two children of the
MFD). Here is now a complete yaml description.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-3-miquel.raynal@bootlin.com
3 years agoclk: ti: am43xx: Add clkctrl data for am43xx ADC1
Miquel Raynal [Fri, 15 Oct 2021 08:14:19 +0000 (10:14 +0200)]
clk: ti: am43xx: Add clkctrl data for am43xx ADC1

Declare ADC1 clkctrl which feeds the magnetic-reader/ADC1 hardware
module.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20211015081506.933180-2-miquel.raynal@bootlin.com
3 years agoregulator: dt-bindings: samsung,s5m8767: convert to dtschema
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:39:28 +0000 (13:39 +0200)]
regulator: dt-bindings: samsung,s5m8767: convert to dtschema

Convert the regulators of Samsung S5M8767 PMIC to DT schema format.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Message-Id: <20211008113931.134847-3-krzysztof.kozlowski@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
3 years agoregulator: dt-bindings: samsung,s2mpa01: convert to dtschema
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:39:27 +0000 (13:39 +0200)]
regulator: dt-bindings: samsung,s2mpa01: convert to dtschema

Convert the regulators of Samsung S2MPA01 PMIC to DT schema format.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Message-Id: <20211008113931.134847-2-krzysztof.kozlowski@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
3 years agoregulator: dt-bindings: samsung,s2m: convert to dtschema
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:39:26 +0000 (13:39 +0200)]
regulator: dt-bindings: samsung,s2m: convert to dtschema

Convert the regulators of Samsung
S2MPS11/S2MPS13/S2MPS14/S2MPS15/S2MPU02 family of PMICs to DT schema
format.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Message-Id: <20211008113931.134847-1-krzysztof.kozlowski@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
3 years agodt-bindings: clock: samsung,s2mps11: convert to dtschema
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:37:15 +0000 (13:37 +0200)]
dt-bindings: clock: samsung,s2mps11: convert to dtschema

Convert the clock provider of Samsung S2MPS11 family of PMICs to DT
schema format.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Message-Id: <20211008113723.134648-4-krzysztof.kozlowski@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
3 years agoregulator: dt-bindings: samsung,s5m8767: correct s5m8767,pmic-buck-default-dvs-idx...
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:37:14 +0000 (13:37 +0200)]
regulator: dt-bindings: samsung,s5m8767: correct s5m8767,pmic-buck-default-dvs-idx property

The driver was always parsing "s5m8767,pmic-buck-default-dvs-idx", not
"s5m8767,pmic-buck234-default-dvs-idx".

Cc: <stable@vger.kernel.org>
Fixes: 26aec009f6b6 ("regulator: add device tree support for s5m8767")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Message-Id: <20211008113723.134648-3-krzysztof.kozlowski@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
3 years agoregulator: s5m8767: do not use reset value as DVS voltage if GPIO DVS is disabled
Krzysztof Kozlowski [Fri, 8 Oct 2021 11:37:13 +0000 (13:37 +0200)]
regulator: s5m8767: do not use reset value as DVS voltage if GPIO DVS is disabled

The driver and its bindings, before commit 04f9f068a619 ("regulator:
s5m8767: Modify parsing method of the voltage table of buck2/3/4") were
requiring to provide at least one safe/default voltage for DVS registers
if DVS GPIO is not being enabled.

IOW, if s5m8767,pmic-buck2-uses-gpio-dvs is missing, the
s5m8767,pmic-buck2-dvs-voltage should still be present and contain one
voltage.

This requirement was coming from driver behavior matching this condition
(none of DVS GPIO is enabled): it was always initializing the DVS
selector pins to 0 and keeping the DVS enable setting at reset value
(enabled).  Therefore if none of DVS GPIO is enabled in devicetree,
driver was configuring the first DVS voltage for buck[234].

Mentioned commit 04f9f068a619 ("regulator: s5m8767: Modify parsing
method of the voltage table of buck2/3/4") broke it because DVS voltage
won't be parsed from devicetree if DVS GPIO is not enabled.  After the
change, driver will configure bucks to use the register reset value as
voltage which might have unpleasant effects.

Fix this by relaxing the bindings constrain: if DVS GPIO is not enabled
in devicetree (therefore DVS voltage is also not parsed), explicitly
disable it.

Cc: <stable@vger.kernel.org>
Fixes: 04f9f068a619 ("regulator: s5m8767: Modify parsing method of the voltage table of buck2/3/4")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Rob Herring <robh@kernel.org>
Message-Id: <20211008113723.134648-2-krzysztof.kozlowski@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
3 years agomfd: hi6421-spmi-pmic: Cleanup drvdata to only include regmap
Mauro Carvalho Chehab [Thu, 2 Sep 2021 12:47:48 +0000 (14:47 +0200)]
mfd: hi6421-spmi-pmic: Cleanup drvdata to only include regmap

There are lots of fields in struct hi6421_spmi_pmic that aren't
used. As a matter of fact, only regmap is needed.

So, drop the struct as a whole, and set regmap as the drvdata.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/1828cb783b1ebca0b98bf0b3077d8701adb228f7.1630586862.git.mchehab+huawei@kernel.org
3 years agoLinux 5.15-rc1
Linus Torvalds [Sun, 12 Sep 2021 23:28:37 +0000 (16:28 -0700)]
Linux 5.15-rc1

3 years agoMerge tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux...
Linus Torvalds [Sun, 12 Sep 2021 23:18:15 +0000 (16:18 -0700)]
Merge tag 'perf-tools-for-v5.15-2021-09-11' of git://git./linux/kernel/git/acme/linux

Pull more perf tools updates from Arnaldo Carvalho de Melo:

 - Add missing fields and remove some duplicate fields when printing a
   perf_event_attr.

 - Fix hybrid config terms list corruption.

 - Update kernel header copies, some resulted in new kernel features
   being automagically added to 'perf trace' syscall/tracepoint argument
   id->string translators.

 - Add a file generated during the documentation build to .gitignore.

 - Add an option to build without libbfd, as some distros, like Debian
   consider its ABI unstable.

 - Add support to print a textual representation of IBS raw sample data
   in 'perf report'.

 - Fix bpf 'perf test' sample mismatch reporting

 - Fix passing arguments to stackcollapse report in a 'perf script'
   python script.

 - Allow build-id with trailing zeros.

 - Look for ImageBase in PE file to compute .text offset.

* tag 'perf-tools-for-v5.15-2021-09-11' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (25 commits)
  tools headers UAPI: Update tools's copy of drm.h headers
  tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
  tools headers UAPI: Sync linux/fs.h with the kernel sources
  tools headers UAPI: Sync linux/in.h copy with the kernel sources
  perf tools: Add an option to build without libbfd
  perf tools: Allow build-id with trailing zeros
  perf tools: Fix hybrid config terms list corruption
  perf tools: Factor out copy_config_terms() and free_config_terms()
  perf tools: Fix perf_event_attr__fprintf() missing/dupl. fields
  perf tools: Ignore Documentation dependency file
  perf bpf: Provide a weak btf__load_from_kernel_by_id() for older libbpf versions
  tools include UAPI: Update linux/mount.h copy
  perf beauty: Cover more flags in the  move_mount syscall argument beautifier
  tools headers UAPI: Sync linux/prctl.h with the kernel sources
  tools include UAPI: Sync sound/asound.h copy with the kernel sources
  tools headers UAPI: Sync linux/kvm.h with the kernel sources
  tools headers UAPI: Sync x86's asm/kvm.h with the kernel sources
  perf report: Add support to print a textual representation of IBS raw sample data
  perf report: Add tools/arch/x86/include/asm/amd-ibs.h
  perf env: Add perf_env__cpuid, perf_env__{nr_}pmu_mappings
  ...

3 years agoMerge tag 'compiler-attributes-for-linus-v5.15-rc1-v2' of git://github.com/ojeda...
Linus Torvalds [Sun, 12 Sep 2021 23:09:26 +0000 (16:09 -0700)]
Merge tag 'compiler-attributes-for-linus-v5.15-rc1-v2' of git://github.com/ojeda/linux

Pull compiler attributes updates from Miguel Ojeda:

 - Fix __has_attribute(__no_sanitize_coverage__) for GCC 4 (Marco Elver)

 - Add Nick as Reviewer for compiler_attributes.h (Nick Desaulniers)

 - Move __compiletime_{error|warning} (Nick Desaulniers)

* tag 'compiler-attributes-for-linus-v5.15-rc1-v2' of git://github.com/ojeda/linux:
  compiler_attributes.h: move __compiletime_{error|warning}
  MAINTAINERS: add Nick as Reviewer for compiler_attributes.h
  Compiler Attributes: fix __has_attribute(__no_sanitize_coverage__) for GCC 4

3 years agoMerge tag 'auxdisplay-for-linus-v5.15-rc1' of git://github.com/ojeda/linux
Linus Torvalds [Sun, 12 Sep 2021 23:00:49 +0000 (16:00 -0700)]
Merge tag 'auxdisplay-for-linus-v5.15-rc1' of git://github.com/ojeda/linux

Pull auxdisplay updates from Miguel Ojeda:
 "An assortment of improvements for auxdisplay:

   - Replace symbolic permissions with octal permissions (Jinchao Wang)

   - ks0108: Switch to use module_parport_driver() (Andy Shevchenko)

   - charlcd: Drop unneeded initializers and switch to C99 style (Andy
     Shevchenko)

   - hd44780: Fix oops on module unloading (Lars Poeschel)

   - Add I2C gpio expander example (Ralf Schlatterbeck)"

* tag 'auxdisplay-for-linus-v5.15-rc1' of git://github.com/ojeda/linux:
  auxdisplay: Replace symbolic permissions with octal permissions
  auxdisplay: ks0108: Switch to use module_parport_driver()
  auxdisplay: charlcd: Drop unneeded initializers and switch to C99 style
  auxdisplay: hd44780: Fix oops on module unloading
  auxdisplay: Add I2C gpio expander example

3 years agoMerge tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Sun, 12 Sep 2021 19:42:51 +0000 (12:42 -0700)]
Merge tag 'smp-urgent-2021-09-12' of git://git./linux/kernel/git/tip/tip

Pull CPU hotplug updates from Thomas Gleixner:
 "Updates for the SMP and CPU hotplug:

   - Remove DEFINE_SMP_CALL_CACHE_FUNCTION() which is a left over of the
     original hotplug code and now causing trouble with the ARM64 cache
     topology setup due to the pointless SMP function call.

     It's not longer required as the hotplug callbacks are guaranteed to
     be invoked on the upcoming CPU.

   - Remove the deprecated and now unused CPU hotplug functions

   - Rewrite the CPU hotplug API documentation"

* tag 'smp-urgent-2021-09-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  Documentation: core-api/cpuhotplug: Rewrite the API section
  cpu/hotplug: Remove deprecated CPU-hotplug functions.
  thermal: Replace deprecated CPU-hotplug functions.
  drivers: base: cacheinfo: Get rid of DEFINE_SMP_CALL_CACHE_FUNCTION()

3 years agoMerge tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 12 Sep 2021 18:56:00 +0000 (11:56 -0700)]
Merge tag 'char-misc-5.15-rc1-lkdtm' of git://git./linux/kernel/git/gregkh/char-misc

Pull misc driver fix from Greg KH:
 "Here is a single patch for 5.15-rc1, for the lkdtm misc driver.

  It resolves a build issue that many people were hitting with your
  current tree, and Kees and others felt would be good to get merged
  before -rc1 comes out, to prevent them from having to constantly hit
  it as many development trees restart on -rc1, not older -rc releases.

  It has NOT been in linux-next, but has passed 0-day testing and looks
  'obviously correct' when reviewing it locally :)"

* tag 'char-misc-5.15-rc1-lkdtm' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  lkdtm: Use init_uts_ns.name instead of macros

3 years agoMerge tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi
Linus Torvalds [Sun, 12 Sep 2021 18:44:58 +0000 (11:44 -0700)]
Merge tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi

Pull IPMI updates from Corey Minyard:
 "A couple of very minor fixes for style and rate limiting.

  Nothing big, but probably needs to go in"

* tag 'for-linus-5.15-1' of git://github.com/cminyard/linux-ipmi:
  char: ipmi: use DEVICE_ATTR helper macro
  ipmi: rate limit ipmi smi_event failure message

3 years agoMerge tag 'sched_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 12 Sep 2021 18:37:41 +0000 (11:37 -0700)]
Merge tag 'sched_urgent_for_v5.15_rc1' of git://git./linux/kernel/git/tip/tip

Pull scheduler fixes from Borislav Petkov:

 - Make sure the idle timer expires in hardirq context, on PREEMPT_RT

 - Make sure the run-queue balance callback is invoked only on the
   outgoing CPU

* tag 'sched_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  sched: Prevent balance_push() on remote runqueues
  sched/idle: Make the idle timer expire in hard interrupt context

3 years agoMerge tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 12 Sep 2021 18:27:05 +0000 (11:27 -0700)]
Merge tag 'locking_urgent_for_v5.15_rc1' of git://git./linux/kernel/git/tip/tip

Pull locking fixes from Borislav Petkov:

 - Fix the futex PI requeue machinery to not return to userspace in
   inconsistent state

 - Avoid a potential null pointer dereference in the ww_mutex deadlock
   check

 - Other smaller cleanups and optimizations

* tag 'locking_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  locking/rtmutex: Fix ww_mutex deadlock check
  futex: Remove unused variable 'vpid' in futex_proxy_trylock_atomic()
  futex: Avoid redundant task lookup
  futex: Clarify comment for requeue_pi_wake_futex()
  futex: Prevent inconsistent state and exit race
  futex: Return error code instead of assigning it without effect
  locking/rwsem: Add missing __init_rwsem() for PREEMPT_RT

3 years agoMerge tag 'timers_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sun, 12 Sep 2021 18:10:31 +0000 (11:10 -0700)]
Merge tag 'timers_urgent_for_v5.15_rc1' of git://git./linux/kernel/git/tip/tip

Pull timer fix from Borislav Petkov:

 - Handle negative second values properly when converting a timespec64
   to nanoseconds.

* tag 'timers_urgent_for_v5.15_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  time: Handle negative seconds correctly in timespec64_to_ns()

3 years agoMerge branch 'misc.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Linus Torvalds [Sun, 12 Sep 2021 17:43:51 +0000 (10:43 -0700)]
Merge branch 'misc.namei' of git://git./linux/kernel/git/viro/vfs

Pull namei updates from Al Viro:
 "Clearing fallout from mkdirat in io_uring series. The fix in the
  kern_path_locked() patch plus associated cleanups"

* 'misc.namei' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  putname(): IS_ERR_OR_NULL() is wrong here
  namei: Standardize callers of filename_create()
  namei: Standardize callers of filename_lookup()
  rename __filename_parentat() to filename_parentat()
  namei: Fix use after free in kern_path_locked

3 years agoMerge tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6
Linus Torvalds [Sun, 12 Sep 2021 17:10:21 +0000 (10:10 -0700)]
Merge tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6

Pull smbfs updates from Steve French:
 "cifs/smb3 updates:

   - DFS reconnect fix

   - begin creating common headers for server and client

   - rename the cifs_common directory to smbfs_common to be more
     consistent ie change use of the name cifs to smb (smb3 or smbfs is
     more accurate, as the very old cifs dialect has long been
     superseded by smb3 dialects).

  In the future we can rename the fs/cifs directory to fs/smbfs.

  This does not include the set of multichannel fixes nor the two
  deferred close fixes (they are still being reviewed and tested)"

* tag '5.15-rc-cifs-part2' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: properly invalidate cached root handle when closing it
  cifs: move SMB FSCTL definitions to common code
  cifs: rename cifs_common to smbfs_common
  cifs: update FSCTL definitions

3 years agoMerge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Linus Torvalds [Sat, 11 Sep 2021 21:48:42 +0000 (14:48 -0700)]
Merge tag 'for_linus' of git://git./linux/kernel/git/mst/vhost

Pull virtio updates from Michael Tsirkin:

 - vduse driver ("vDPA Device in Userspace") supporting emulated virtio
   block devices

 - virtio-vsock support for end of record with SEQPACKET

 - vdpa: mac and mq support for ifcvf and mlx5

 - vdpa: management netlink for ifcvf

 - virtio-i2c, gpio dt bindings

 - misc fixes and cleanups

* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost: (39 commits)
  Documentation: Add documentation for VDUSE
  vduse: Introduce VDUSE - vDPA Device in Userspace
  vduse: Implement an MMU-based software IOTLB
  vdpa: Support transferring virtual addressing during DMA mapping
  vdpa: factor out vhost_vdpa_pa_map() and vhost_vdpa_pa_unmap()
  vdpa: Add an opaque pointer for vdpa_config_ops.dma_map()
  vhost-iotlb: Add an opaque pointer for vhost IOTLB
  vhost-vdpa: Handle the failure of vdpa_reset()
  vdpa: Add reset callback in vdpa_config_ops
  vdpa: Fix some coding style issues
  file: Export receive_fd() to modules
  eventfd: Export eventfd_wake_count to modules
  iova: Export alloc_iova_fast() and free_iova_fast()
  virtio-blk: remove unneeded "likely" statements
  virtio-balloon: Use virtio_find_vqs() helper
  vdpa: Make use of PFN_PHYS/PFN_UP/PFN_DOWN helper macro
  vsock_test: update message bounds test for MSG_EOR
  af_vsock: rename variables in receive loop
  virtio/vsock: support MSG_EOR bit processing
  vhost/vsock: support MSG_EOR bit processing
  ...

3 years agoMerge tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 11 Sep 2021 21:29:42 +0000 (14:29 -0700)]
Merge tag 'riscv-for-linus-5.15-mw1' of git://git./linux/kernel/git/riscv/linux

Pull more RISC-V updates from Palmer Dabbelt:

 - A pair of defconfig additions, for NVMe and the EFI filesystem
   localization options.

 - A larger address space for stack randomization.

 - A cleanup to our install rules.

 - A DTS update for the Microchip Icicle board, to fix the serial
   console.

 - Support for build-time table sorting, which allows us to have
   __ex_table read-only.

* tag 'riscv-for-linus-5.15-mw1' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
  riscv: Move EXCEPTION_TABLE to RO_DATA segment
  riscv: Enable BUILDTIME_TABLE_SORT
  riscv: dts: microchip: mpfs-icicle: Fix serial console
  riscv: move the (z)install rules to arch/riscv/Makefile
  riscv: Improve stack randomisation on RV64
  riscv: defconfig: enable NLS_CODEPAGE_437, NLS_ISO8859_1
  riscv: defconfig: enable BLK_DEV_NVME

3 years agoMerge branch 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall...
Linus Torvalds [Sat, 11 Sep 2021 21:22:28 +0000 (14:22 -0700)]
Merge branch 'for-5.15' of git://git./linux/kernel/git/jlawall/linux

Pull coccinelle updates from Julia Lawall:
 "These changes update some existing semantic patches with
  respect to some recent changes in the kernel.

  Specifically, the change to kvmalloc.cocci searches for
  kfree_sensitive rather than kzfree, and the change to
  use_after_iter.cocci adds list_entry_is_head as a valid
  use of a list iterator index variable after the end of
  the loop"

* 'for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/jlawall/linux:
  scripts: coccinelle: allow list_entry_is_head() to use pos
  coccinelle: api: rename kzfree to kfree_sensitive

3 years agotools headers UAPI: Update tools's copy of drm.h headers
Arnaldo Carvalho de Melo [Mon, 3 May 2021 14:48:26 +0000 (11:48 -0300)]
tools headers UAPI: Update tools's copy of drm.h headers

Picking the changes from:

  17ce9c61c71cbc0d ("drm: document DRM_IOCTL_MODE_RMFB")

Doesn't result in any tooling changes:

  $ tools/perf/trace/beauty/drm_ioctl.sh  > before
  $ cp include/uapi/drm/drm.h tools/include/uapi/drm/drm.h
  $ tools/perf/trace/beauty/drm_ioctl.sh  > after
  $ diff -u before after

Silencing these perf build warnings:

  Warning: Kernel ABI header at 'tools/include/uapi/drm/drm.h' differs from latest version at 'include/uapi/drm/drm.h'
  diff -u tools/include/uapi/drm/drm.h include/uapi/drm/drm.h

Cc: Simon Ser <contact@emersion.fr>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agotools headers UAPI: Sync drm/i915_drm.h with the kernel sources
Arnaldo Carvalho de Melo [Sat, 11 Sep 2021 19:18:28 +0000 (16:18 -0300)]
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources

To pick the changes in:

  b65a9489730a2494 ("drm/i915/userptr: Probe existence of backing struct pages upon creation")
  ee242ca704d38699 ("drm/i915/guc: Implement GuC priority management")
  81340cf3bddded4f ("drm/i915/uapi: reject set_domain for discrete")
  7961c5b60f23dff5 ("drm/i915: Add TTM offset argument to mmap.")
  aef7b67a79564f6c ("drm/i915/uapi: convert drm_i915_gem_userptr to kernel doc")
  e7737b67ab46ee0e ("drm/i915/uapi: reject caching ioctls for discrete")
  3aa8c57fe25a9247 ("drm/i915/uapi: convert drm_i915_gem_set_domain to kernel doc")
  289f5a72009b8f67 ("drm/i915/uapi: convert drm_i915_gem_caching to kernel doc")
  4a766ae40ec83301 ("drm/i915: Drop the CONTEXT_CLONE API (v2)")
  6ff6d61dd2a943bd ("drm/i915: Drop I915_CONTEXT_PARAM_NO_ZEROMAP")
  fe4751c3d513ff4f ("drm/i915: Drop I915_CONTEXT_PARAM_RINGSIZE")
  577729533cdc4e37 ("drm/i915: Document the Virtual Engine uAPI")
  c649432e86ca677d ("drm/i915: Fix busy ioctl commentary")

That doesn't result in any changes to tooling as no new ioctl were
added (at least not perceived by tools/perf/trace/beauty/drm_ioctl.sh).

Addressing this perf build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/drm/i915_drm.h' differs from latest version at 'include/uapi/drm/i915_drm.h'
  diff -u tools/include/uapi/drm/i915_drm.h include/uapi/drm/i915_drm.h

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agotools headers UAPI: Sync linux/fs.h with the kernel sources
Arnaldo Carvalho de Melo [Fri, 21 May 2021 19:00:31 +0000 (16:00 -0300)]
tools headers UAPI: Sync linux/fs.h with the kernel sources

To pick the change in:

  7957d93bf32bc211 ("block: add ioctl to read the disk sequence number")

It adds a new ioctl, but we are still not using that to generate tables
for 'perf trace', so no changes in tooling.

This silences this perf build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/fs.h' differs from latest version at 'include/uapi/linux/fs.h'
  diff -u tools/include/uapi/linux/fs.h include/uapi/linux/fs.h

Cc: Jens Axboe <axboe@kernel.dk>
Cc: Matteo Croce <mcroce@microsoft.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agotools headers UAPI: Sync linux/in.h copy with the kernel sources
Arnaldo Carvalho de Melo [Sat, 19 Jun 2021 13:15:22 +0000 (10:15 -0300)]
tools headers UAPI: Sync linux/in.h copy with the kernel sources

To pick the changes in:

  db243b796439c0ca ("net/ipv4/ipv6: Replace one-element arraya with flexible-array members")
  2d3e5caf96b9449a ("net/ipv4: Replace one-element array with flexible-array member")

That don't result in any change in tooling, the structs changed remains
with the same layout.

This addresses this build warning:

  Warning: Kernel ABI header at 'tools/include/uapi/linux/in.h' differs from latest version at 'include/uapi/linux/in.h'
  diff -u tools/include/uapi/linux/in.h include/uapi/linux/in.h

Cc: David S. Miller <davem@davemloft.net>
Cc: Gustavo A. R. Silva <gustavoars@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agoperf tools: Add an option to build without libbfd
Ian Rogers [Fri, 10 Sep 2021 22:57:56 +0000 (15:57 -0700)]
perf tools: Add an option to build without libbfd

Some distributions, like debian, don't link perf with libbfd. Add a
build flag to make this configuration buildable and testable.

This was inspired by:

  https://lore.kernel.org/linux-perf-users/20210910102307.2055484-1-tonyg@leastfixedpoint.com/T/#u

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: tony garnock-jones <tonyg@leastfixedpoint.com>
Link: http://lore.kernel.org/lkml/20210910225756.729087-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agoperf tools: Allow build-id with trailing zeros
Namhyung Kim [Fri, 10 Sep 2021 22:46:30 +0000 (15:46 -0700)]
perf tools: Allow build-id with trailing zeros

Currently perf saves a build-id with size but old versions assumes the
size of 20.  In case the build-id is less than 20 (like for MD5), it'd
fill the rest with 0s.

I saw a problem when old version of perf record saved a binary in the
build-id cache and new version of perf reads the data.  The symbols
should be read from the build-id cache (as the path no longer has the
same binary) but it failed due to mismatch in the build-id.

  symsrc__init: build id mismatch for /home/namhyung/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf.

The build-id event in the data has 20 byte build-ids, but it saw a
different size (16) when it reads the build-id of the elf file in the
build-id cache.

  $ readelf -n ~/.debug/.build-id/53/e4c2f42a4c61a2d632d92a72afa08f00000000/elf

  Displaying notes found in: .note.gnu.build-id
    Owner                Data size  Description
    GNU                  0x00000010 NT_GNU_BUILD_ID (unique build ID bitstring)
      Build ID: 53e4c2f42a4c61a2d632d92a72afa08f

Let's fix this by allowing trailing zeros if the size is different.

Fixes: 39be8d0115b321ed ("perf tools: Pass build_id object to dso__build_id_equal()")
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210910224630.1084877-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agoperf tools: Fix hybrid config terms list corruption
Adrian Hunter [Thu, 9 Sep 2021 12:55:08 +0000 (15:55 +0300)]
perf tools: Fix hybrid config terms list corruption

A config terms list was spliced twice, resulting in a never-ending loop
when the list was traversed. Fix by using list_splice_init() and copying
and freeing the lists as necessary.

This patch also depends on patch "perf tools: Factor out
copy_config_terms() and free_config_terms()"

Example on ADL:

 Before:

  # perf record -e '{intel_pt//,cycles/aux-sample-size=4096/pp}' uname &
  # jobs
  [1]+  Running                    perf record -e "{intel_pt//,cycles/aux-sample-size=4096/pp}" uname
  # perf top -E 10
    PerfTop:    4071 irqs/sec  kernel: 6.9%  exact: 100.0% lost: 0/0 drop: 0/0 [4000Hz cycles],  (all, 24 CPUs)
  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

    97.60%  perf           [.] __evsel__get_config_term
     0.25%  [kernel]       [k] kallsyms_expand_symbol.constprop.13
     0.24%  perf           [.] kallsyms__parse
     0.15%  [kernel]       [k] _raw_spin_lock
     0.14%  [kernel]       [k] number
     0.13%  [kernel]       [k] advance_transaction
     0.08%  [kernel]       [k] format_decode
     0.08%  perf           [.] map__process_kallsym_symbol
     0.08%  perf           [.] rb_insert_color
     0.08%  [kernel]       [k] vsnprintf
  exiting.
  # kill %1

After:

  # perf record -e '{intel_pt//,cycles/aux-sample-size=4096/pp}' uname &
  Linux
  [ perf record: Woken up 1 times to write data ]
  [ perf record: Captured and wrote 0.060 MB perf.data ]
  # perf script | head
       perf-exec   604 [001]  1827.312293:                            psb:  psb offs: 0                       ffffffffb8415e87 pt_config_start+0x37 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb856a3bd event_sched_in.isra.133+0xfd ([kernel.kallsyms]) => ffffffffb856a9a0 perf_pmu_nop_void+0x0 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb856b10e merge_sched_in+0x26e ([kernel.kallsyms]) => ffffffffb856a2c0 event_sched_in.isra.133+0x0 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb856a45d event_sched_in.isra.133+0x19d ([kernel.kallsyms]) => ffffffffb8568b80 perf_event_set_state.part.61+0x0 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb8568b86 perf_event_set_state.part.61+0x6 ([kernel.kallsyms]) => ffffffffb85662a0 perf_event_update_time+0x0 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb856a35c event_sched_in.isra.133+0x9c ([kernel.kallsyms]) => ffffffffb8567610 perf_log_itrace_start+0x0 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb856a377 event_sched_in.isra.133+0xb7 ([kernel.kallsyms]) => ffffffffb8403b40 x86_pmu_add+0x0 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb8403b86 x86_pmu_add+0x46 ([kernel.kallsyms]) => ffffffffb8403940 collect_events+0x0 ([kernel.kallsyms])
       perf-exec   604  1827.312293:          1                       branches:  ffffffffb8403a7b collect_events+0x13b ([kernel.kallsyms]) => ffffffffb8402cd0 collect_event+0x0 ([kernel.kallsyms])

Fixes: 30def61f64bac5 ("perf parse-events Create two hybrid cache events")
Fixes: 94da591b1c7913 ("perf parse-events Create two hybrid raw events")
Fixes: 9cbfa2f64c04d9 ("perf parse-events Create two hybrid hardware events")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Link: https //lore.kernel.org/r/20210909125508.28693-3-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agoperf tools: Factor out copy_config_terms() and free_config_terms()
Adrian Hunter [Thu, 9 Sep 2021 12:55:07 +0000 (15:55 +0300)]
perf tools: Factor out copy_config_terms() and free_config_terms()

Factor out copy_config_terms() and free_config_terms() so that they can
be reused.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Link: https //lore.kernel.org/r/20210909125508.28693-2-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agoperf tools: Fix perf_event_attr__fprintf() missing/dupl. fields
Adrian Hunter [Sat, 11 Sep 2021 12:05:50 +0000 (15:05 +0300)]
perf tools: Fix perf_event_attr__fprintf() missing/dupl. fields

Some fields are missing and text_poke is duplicated. Fix that up.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20210911120550.12203-1-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agoperf tools: Ignore Documentation dependency file
Ian Rogers [Fri, 10 Sep 2021 23:22:49 +0000 (16:22 -0700)]
perf tools: Ignore Documentation dependency file

When building directly on the checked out repository the build process
produces a file that should be ignored, so add it to .gitignore.

Fixes: a81df63a5df3e195 ("perf doc: Fix doc.dep")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20210910232249.739661-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3 years agoMerge tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block
Linus Torvalds [Sat, 11 Sep 2021 17:28:14 +0000 (10:28 -0700)]
Merge tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Fix an off-by-one in a BUILD_BUG_ON() check. Not a real issue right
   now as we have plenty of flags left, but could become one. (Hao)

 - Fix lockdep issue introduced in this merge window (me)

 - Fix a few issues with the worker creation (me, Pavel, Qiang)

 - Fix regression with wq_has_sleeper() for IOPOLL (Pavel)

 - Timeout link error propagation fix (Pavel)

* tag 'io_uring-5.15-2021-09-11' of git://git.kernel.dk/linux-block:
  io_uring: fix off-by-one in BUILD_BUG_ON check of __REQ_F_LAST_BIT
  io_uring: fail links of cancelled timeouts
  io-wq: fix memory leak in create_io_worker()
  io-wq: fix silly logic error in io_task_work_match()
  io_uring: drop ctx->uring_lock before acquiring sqd->lock
  io_uring: fix missing mb() before waitqueue_active
  io-wq: fix cancellation on create-worker failure

3 years agoMerge tag 'block-5.15-2021-09-11' of git://git.kernel.dk/linux-block
Linus Torvalds [Sat, 11 Sep 2021 17:19:51 +0000 (10:19 -0700)]
Merge tag 'block-5.15-2021-09-11' of git://git.kernel.dk/linux-block

Pull block fixes from Jens Axboe:

 - NVMe pull request from Christoph:
     - fix nvmet command set reporting for passthrough controllers (Adam Manzanares)
     - update a MAINTAINERS email address (Chaitanya Kulkarni)
     - set QUEUE_FLAG_NOWAIT for nvme-multipth (me)
     - handle errors from add_disk() (Luis Chamberlain)
     - update the keep alive interval when kato is modified (Tatsuya Sasaki)
     - fix a buffer overrun in nvmet_subsys_attr_serial (Hannes Reinecke)
     - do not reset transport on data digest errors in nvme-tcp (Daniel Wagner)
     - only call synchronize_srcu when clearing current path (Daniel Wagner)
     - revalidate paths during rescan (Hannes Reinecke)

 - Split out the fs/block_dev into block/fops.c and block/bdev.c, which
   has been long overdue. Do this now before -rc1, to avoid annoying
   conflicts due to this (Christoph)

 - blk-throtl use-after-free fix (Li)

 - Improve plug depth for multi-device plugs, greatly increasing md
   resync performance (Song)

 - blkdev_show() locking fix (Tetsuo)

 - n64cart error check fix (Yang)

* tag 'block-5.15-2021-09-11' of git://git.kernel.dk/linux-block:
  n64cart: fix return value check in n64cart_probe()
  blk-mq: allow 4x BLK_MAX_REQUEST_COUNT at blk_plug for multiple_queues
  block: move fs/block_dev.c to block/bdev.c
  block: split out operations on block special files
  blk-throttle: fix UAF by deleteing timer in blk_throtl_exit()
  block: genhd: don't call blkdev_show() with major_names_lock held
  nvme: update MAINTAINERS email address
  nvme: add error handling support for add_disk()
  nvme: only call synchronize_srcu when clearing current path
  nvme: update keep alive interval when kato is modified
  nvme-tcp: Do not reset transport on data digest errors
  nvmet: fixup buffer overrun in nvmet_subsys_attr_serial()
  nvmet: return bool from nvmet_passthru_ctrl and nvmet_is_passthru_req
  nvmet: looks at the passthrough controller when initializing CAP
  nvme: move nvme_multi_css into nvme.h
  nvme-multipath: revalidate paths during rescan
  nvme-multipath: set QUEUE_FLAG_NOWAIT

3 years agoMerge tag 'libata-5.15-2021-09-11' of git://git.kernel.dk/linux-block
Linus Torvalds [Sat, 11 Sep 2021 17:18:20 +0000 (10:18 -0700)]
Merge tag 'libata-5.15-2021-09-11' of git://git.kernel.dk/linux-block

Pull libata maintainer update from Jens Axboe:
 "Damien agreed to take over maintainership of libata, and he would be a
  great candidate for it. Update the MAINTAINERS entry to reflect the
  change in maintainer and git tree"

* tag 'libata-5.15-2021-09-11' of git://git.kernel.dk/linux-block:
  libata: pass over maintainership to Damien Le Moal

3 years agoMerge tag 'trace-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
Linus Torvalds [Sat, 11 Sep 2021 17:16:30 +0000 (10:16 -0700)]
Merge tag 'trace-v5.15-3' of git://git./linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Minor fixes to the processing of the bootconfig tree"

* tag 'trace-v5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  bootconfig: Rename xbc_node_find_child() to xbc_node_find_subkey()
  tracing/boot: Fix to check the histogram control param is a leaf node
  tracing/boot: Fix trace_boot_hist_add_array() to check array is value

3 years agoMerge tag 'devicetree-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Sat, 11 Sep 2021 17:12:46 +0000 (10:12 -0700)]
Merge tag 'devicetree-fixes-for-5.15-1' of git://git./linux/kernel/git/robh/linux

Pull devicetree fixes from Rob Herring:

 - Disable fw_devlinks on x86 DT platforms to fix OLPC

 - More replacing oneOf+const with enum on a few new schemas

 - Drop unnecessary type references on Xilinx SPI binding schema

* tag 'devicetree-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  spi: dt-bindings: xilinx: Drop type reference on *-bits properties
  dt-bindings: More use 'enum' instead of 'oneOf' plus 'const' entries
  of: property: Disable fw_devlink DT support for X86

3 years agoMerge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Linus Torvalds [Sat, 11 Sep 2021 17:05:56 +0000 (10:05 -0700)]
Merge tag 'clk-for-linus' of git://git./linux/kernel/git/clk/linux

Pull clk fix from Stephen Boyd:
 "One patch to fix an unused variable warning in a Qualcomm clk driver"

* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: qcom: gcc-sm6350: Remove unused variable

3 years agoMerge tag 'rtc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
Linus Torvalds [Sat, 11 Sep 2021 16:54:53 +0000 (09:54 -0700)]
Merge tag 'rtc-5.15' of git://git./linux/kernel/git/abelloni/linux

Pull RTC updates from Alexandre Belloni:
 "The broken down time conversion is similar to what is done in the time
  subsystem since v5.14. The rest is fairly straightforward.

  Subsystem:
   - Switch to Neri and Schneider time conversion algorithm

  Drivers:
   - rx8025: add rx8035 support
   - s5m: modernize driver and set range"

* tag 'rtc-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux:
  rtc: rx8010: select REGMAP_I2C
  dt-bindings: rtc: add Epson RX-8025 and RX-8035
  rtc: rx8025: implement RX-8035 support
  rtc: cmos: remove stale REVISIT comments
  rtc: tps65910: Correct driver module alias
  rtc: move RTC_LIB_KUNIT_TEST to proper location
  rtc: lib_test: add MODULE_LICENSE
  rtc: Improve performance of rtc_time64_to_tm(). Add tests.
  rtc: s5m: set range
  rtc: s5m: enable wakeup only when available
  rtc: s5m: signal the core when alarm are not available
  rtc: s5m: switch to devm_rtc_allocate_device

3 years agoMerge tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...
Linus Torvalds [Sat, 11 Sep 2021 16:47:33 +0000 (09:47 -0700)]
Merge tag 'firewire-update' of git://git./linux/kernel/git/ieee1394/linux1394

Pull firewire updates from Stefan Richter:

 - Migrate the bus snooper driver 'nosy' from PCI to DMA API

 - Small janitorial cleanup in the IPv4/v6-over-1394 driver

[ The 'nosy' change already come in as a different commit through Greg
  KH in the misc tree back in the previous merge window, so only the
  cleanup ends up being new to 5.15   - Linus ]

* tag 'firewire-update' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394:
  firewire: nosy: switch from 'pci_' to 'dma_' API
  firewire: net: remove unused variable 'guid'

3 years agoMerge tag 'pwm/for-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry...
Linus Torvalds [Sat, 11 Sep 2021 16:26:00 +0000 (09:26 -0700)]
Merge tag 'pwm/for-5.15-rc1' of git://git./linux/kernel/git/thierry.reding/linux-pwm

Pull pwm updates from Thierry Reding:
 "The changes this time around are mostly janitorial in nature. A lot of
  this is simplifications of drivers using device-managed functions and
  improving compilation coverage.

  The Mediatek display PWM driver now supports the atomic API.

  Cleanups and minor fixes make up the remainder of this set"

* tag 'pwm/for-5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm: (54 commits)
  pwm: mtk-disp: Implement atomic API .get_state()
  pwm: mtk-disp: Fix overflow in period and duty calculation
  pwm: mtk-disp: Implement atomic API .apply()
  pwm: mtk-disp: Adjust the clocks to avoid them mismatch
  dt-bindings: pwm: rockchip: Add description for rk3568
  pwm: Make pwmchip_remove() return void
  pwm: sun4i: Don't check the return code of pwmchip_remove()
  pwm: sifive: Don't check the return code of pwmchip_remove()
  pwm: samsung: Don't check the return code of pwmchip_remove()
  pwm: renesas-tpu: Don't check the return code of pwmchip_remove()
  pwm: rcar: Don't check the return code of pwmchip_remove()
  pwm: pca9685: Don't check the return code of pwmchip_remove()
  pwm: omap-dmtimer: Don't check the return code of pwmchip_remove()
  pwm: mtk-disp: Don't check the return code of pwmchip_remove()
  pwm: imx-tpm: Don't check the return code of pwmchip_remove()
  pwm: img: Don't check the return code of pwmchip_remove()
  pwm: cros-ec: Don't check the return code of pwmchip_remove()
  pwm: brcmstb: Don't check the return code of pwmchip_remove()
  pwm: atmel-tcb: Don't check the return code of pwmchip_remove()
  pwm: atmel-hlcdc: Don't check the return code of pwmchip_remove()
  ...

3 years agoMerge tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/therma...
Linus Torvalds [Sat, 11 Sep 2021 16:20:57 +0000 (09:20 -0700)]
Merge tag 'thermal-v5.15-rc1' of git://git./linux/kernel/git/thermal/linux

Pull thermal updates from Daniel Lezcano:

 - Add the tegra3 thermal sensor and fix the compilation testing on
   tegra by adding a dependency on ARCH_TEGRA along with COMPILE_TEST
   (Dmitry Osipenko)

 - Fix the error code for the exynos when devm_get_clk() fails (Dan
   Carpenter)

 - Add the TCC cooling support for AlderLake platform (Sumeet Pawnikar)

 - Add support for hardware trip points for the rcar gen3 thermal driver
   and store TSC id as unsigned int (Niklas Söderlund)

 - Replace the deprecated CPU-hotplug functions get_online_cpus() and
   put_online_cpus (Sebastian Andrzej Siewior)

 - Add the thermal tools directory in the MAINTAINERS file (Daniel
   Lezcano)

 - Fix the Makefile and the cross compilation flags for the userspace
   'tmon' tool (Rolf Eike Beer)

 - Allow to use the IMOK independently from the GDDV on Int340x (Sumeet
   Pawnikar)

 - Fix the stub thermal_cooling_device_register() function prototype
   which does not match the real function (Arnd Bergmann)

 - Make the thermal trip point optional in the DT bindings (Maxime
   Ripard)

 - Fix a typo in a comment in the core code (Geert Uytterhoeven)

 - Reduce the verbosity of the trace in the SoC thermal tegra driver
   (Dmitry Osipenko)

 - Add the support for the LMh (Limit Management hardware) driver on the
   QCom platforms (Thara Gopinath)

 - Allow processing of HWP interrupt by adding a weak function in the
   Intel driver (Srinivas Pandruvada)

 - Prevent an abort of the sensor probe is a channel is not used
   (Matthias Kaehlcke)

* tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux:
  thermal/drivers/qcom/spmi-adc-tm5: Don't abort probing if a sensor is not used
  thermal/drivers/intel: Allow processing of HWP interrupt
  dt-bindings: thermal: Add dt binding for QCOM LMh
  thermal/drivers/qcom: Add support for LMh driver
  firmware: qcom_scm: Introduce SCM calls to access LMh
  thermal/drivers/tegra-soctherm: Silence message about clamped temperature
  thermal: Spelling s/scallbacks/callbacks/
  dt-bindings: thermal: Make trips node optional
  thermal/core: Fix thermal_cooling_device_register() prototype
  thermal/drivers/int340x: Use IMOK independently
  tools/thermal/tmon: Add cross compiling support
  thermal/tools/tmon: Improve the Makefile
  MAINTAINERS: Add missing userspace thermal tools to the thermal section
  thermal/drivers/intel_powerclamp: Replace deprecated CPU-hotplug functions.
  thermal/drivers/rcar_gen3_thermal: Store TSC id as unsigned int
  thermal/drivers/rcar_gen3_thermal: Add support for hardware trip points
  drivers/thermal/intel: Add TCC cooling support for AlderLake platform
  thermal/drivers/exynos: Fix an error code in exynos_tmu_probe()
  thermal/drivers/tegra: Correct compile-testing of drivers
  thermal/drivers/tegra: Add driver for Tegra30 thermal sensor

3 years agoMerge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Linus Torvalds [Sat, 11 Sep 2021 16:08:28 +0000 (09:08 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/dtor/input

Pull input updates from Dmitry Torokhov:

 - several device tree bindings for input devices have been converted to
   yaml

 - dropped no longer used ixp4xx-beeper and CSR Prima2 PWRC drivers

 - analog joystick has been converted to use ktime API and no longer
   warn about low resolution timers

 - a few driver fixes

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (24 commits)
  Input: analog - always use ktime functions
  Input: mms114 - support MMS134S
  Input: elan_i2c - reduce the resume time for controller in Whitebox
  Input: edt-ft5x06 - added case for EDT EP0110M09
  Input: adc-keys - drop bogus __refdata annotation
  Input: Fix spelling mistake in Kconfig "useable" -> "usable"
  Input: Fix spelling mistake in Kconfig "Modul" -> "Module"
  Input: remove dead CSR Prima2 PWRC driver
  Input: adp5589-keys - use the right header
  Input: adp5588-keys - use the right header
  dt-bindings: input: tsc2005: Convert to YAML schema
  Input: ep93xx_keypad - prepare clock before using it
  dt-bindings: input: sun4i-lradc: Add wakeup-source
  dt-bindings: input: Convert Regulator Haptic binding to a schema
  dt-bindings: input: Convert Pixcir Touchscreen binding to a schema
  dt-bindings: input: Convert ChipOne ICN8318 binding to a schema
  Input: pm8941-pwrkey - fix comma vs semicolon issue
  dt-bindings: power: reset: qcom-pon: Convert qcom PON binding to yaml
  dt-bindings: input: pm8941-pwrkey: Convert pm8941 power key binding to yaml
  dt-bindings: power: reset: Change 'additionalProperties' to true
  ...

3 years agoriscv: Move EXCEPTION_TABLE to RO_DATA segment
Jisheng Zhang [Thu, 26 Aug 2021 14:11:18 +0000 (22:11 +0800)]
riscv: Move EXCEPTION_TABLE to RO_DATA segment

_ex_table section is read-only, so move it to RO_DATA.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
3 years agoriscv: Enable BUILDTIME_TABLE_SORT
Jisheng Zhang [Thu, 26 Aug 2021 14:10:29 +0000 (22:10 +0800)]
riscv: Enable BUILDTIME_TABLE_SORT

Enable BUILDTIME_TABLE_SORT to sort the exception table at build time
rather than during boot.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
3 years agoriscv: dts: microchip: mpfs-icicle: Fix serial console
Geert Uytterhoeven [Thu, 26 Aug 2021 13:19:39 +0000 (15:19 +0200)]
riscv: dts: microchip: mpfs-icicle: Fix serial console

Currently, nothing is output on the serial console, unless
"console=ttyS0,115200n8" or "earlycon" are appended to the kernel
command line.  Enable automatic console selection using
chosen/stdout-path by adding a proper alias, and configure the expected
serial rate.

While at it, add aliases for the other three serial ports, which are
provided on the same micro-USB connector as the first one.

Fixes: 0fa6107eca4186ad ("RISC-V: Initial DTS for Microchip ICICLE board")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
3 years agoriscv: move the (z)install rules to arch/riscv/Makefile
Masahiro Yamada [Thu, 29 Jul 2021 14:21:47 +0000 (23:21 +0900)]
riscv: move the (z)install rules to arch/riscv/Makefile

Currently, the (z)install targets in arch/riscv/Makefile descend into
arch/riscv/boot/Makefile to invoke the shell script, but there is no
good reason to do so.

arch/riscv/Makefile can run the shell script directly.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>