Miquel Raynal [Wed, 27 Apr 2022 09:56:53 +0000 (11:56 +0200)]
ARM: dts: r9a06g032: Describe the DMA router
There is a dmamux on this SoC which allows picking two different sources
for a single DMA request.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220427095653.91804-10-miquel.raynal@bootlin.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Miquel Raynal [Wed, 27 Apr 2022 09:56:52 +0000 (11:56 +0200)]
ARM: dts: r9a06g032: Add the two DMA nodes
Describe the two DMA controllers available on this SoC.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220427095653.91804-9-miquel.raynal@bootlin.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Laurent Pinchart [Sun, 24 Apr 2022 16:12:28 +0000 (19:12 +0300)]
arm64: dts: renesas: Remove empty rgb output endpoints
Endpoints node must have a remote-endpoint property, as endpoints only
exist to model a link between ports. Drop the empty rgb output endpoints
from SoC dtsi files, and declare them in the board dts instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20220424161228.8147-2-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Laurent Pinchart [Sun, 24 Apr 2022 16:12:27 +0000 (19:12 +0300)]
arm64: dts: renesas: Remove empty lvds endpoints
Endpoints node must have a remote-endpoint property, as endpoints only
exist to model a link between ports. Drop the empty lvds endpoints from
SoC dtsi files, they should be instead declared in the board dts or in
overlays.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20220424161228.8147-1-laurent.pinchart+renesas@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Fri, 29 Apr 2022 07:24:00 +0000 (08:24 +0100)]
arm64: dts: renesas: rzg2ul-smarc: Enable USB2.0 support
Enable USB2.0 Host/Device support on RZ/G2UL SMARC EVK by
adding usb{0,1} pincontrol entries to the soc-pinctrl dtsi
and deleting the nodes which disabled it.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220429072400.23729-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Fri, 29 Apr 2022 07:23:59 +0000 (08:23 +0100)]
arm64: dts: renesas: rzg2ul-smarc: Enable Audio
Enable Audio on RZ/G2UL SMARC EVK by adding ssi1 pincontrol entries
to the soc-pinctrl dtsi and ssi1 and cpu sound_dai nodes to the board
dtsi.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220429072400.23729-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Fri, 29 Apr 2022 07:23:58 +0000 (08:23 +0100)]
arm64: dts: renesas: rzg2l-smarc: Move ssi0 and cpu sound_dai nodes from common dtsi
On RZ/G2{L,LC} SoM module, the wm8978 audio codec is connected to ssi0,
whereas on RZ/G2UL it is connected to ssi1. So move ssi0 and cpu
sound_dai nodes from common dtsi to board specific dtsi.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220429072400.23729-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Yoshihiro Shimoda [Thu, 28 Apr 2022 13:50:58 +0000 (22:50 +0900)]
arm64: dts: renesas: Add Renesas White Hawk boards support
Initial support for the Renesas White Hawk CPU and BreakOut boards.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220428135058.597586-4-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Yoshihiro Shimoda [Thu, 28 Apr 2022 13:50:57 +0000 (22:50 +0900)]
arm64: dts: renesas: Add Renesas R8A779G0 SoC support
Add initial support for the Renesas R8A779G0 (R-Car V4H) SoC.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220428135058.597586-3-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Geert Uytterhoeven [Fri, 29 Apr 2022 10:22:36 +0000 (12:22 +0200)]
Merge tag 'renesas-r8a779g0-dt-binding-defs-tag' into renesas-arm-dt-for-v5.19
Renesas R-Car V4H DT Binding Definitions
Clock and Power Domain definitions for the Renesas R-Car V4H (R8A779G0)
SoC, shared by driver and DT source files.
Biju Das [Mon, 25 Apr 2022 17:05:30 +0000 (18:05 +0100)]
arm64: dts: renesas: rzg2ul-smarc-som: Enable watchdog
Enable watchdog{0,2} interfaces on RZ/G2UL SMARC EVK.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-14-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:29 +0000 (18:05 +0100)]
arm64: dts: renesas: rzg2ul-smarc-som: Enable OSTM
Enable OSTM{1, 2} interfaces on RZ/G2UL SMARC EVK.
OSTM0 is reserved for TF-A.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-13-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:28 +0000 (18:05 +0100)]
arm64: dts: renesas: rzg2ul-smarc: Enable CANFD
Enable CANFD on RZ/G2UL SMARC platform.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-12-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:24 +0000 (18:05 +0100)]
arm64: dts: renesas: rzg2ul-smarc: Enable i2c{0,1} and wm8978
Enable i2c{0,1} on RZ/G2UL SMARC EVK by deleting respective
entries from board dts and adding pincontrol entries to the
soc-pinctrl dtsi. Also enable wm8978 audio codec.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-8-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:23 +0000 (18:05 +0100)]
arm64: dts: renesas: r9a07g043: Fillup the WDT{0,2} stub nodes
Fillup the WDT{0,2} stub nodes in RZ/G2UL (R9A07G043) SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-7-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:22 +0000 (18:05 +0100)]
arm64: dts: renesas: r9a07g043: Fillup the OSTM{0,1,2} stub nodes
Fillup the OSTM{0,1,2} stub nodes in RZ/G2UL (R9A07G043) SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-6-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:21 +0000 (18:05 +0100)]
arm64: dts: renesas: r9a07g043: Fillup the CANFD stub node
Fillup the CANFD stub node in RZ/G2UL (R9A07G043) SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:20 +0000 (18:05 +0100)]
arm64: dts: renesas: r9a07g043: Add USB2.0 support
Add USB2.0 host and device support by filling usb phy control,
phy, device and host stub nodes in RZ/G2UL SoC dtsi.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:19 +0000 (18:05 +0100)]
arm64: dts: renesas: r9a07g043: Add SSI{1,2,3} nodes and fillup the SSI0 stub node
Add SSI{1,2,3} nodes and fillup the SSI0 stub node in RZ/G2UL
(R9A07G043) SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 25 Apr 2022 17:05:18 +0000 (18:05 +0100)]
arm64: dts: renesas: r9a07g043: Add I2C2 node and fillup the I2C{0,1,3} stub nodes
Add I2C2 node and fillup the I2C{0,1,3} stub nodes in RZ/G2UL
(R9A07G043) SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220425170530.200921-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Herve Codina [Fri, 22 Apr 2022 12:08:47 +0000 (14:08 +0200)]
ARM: dts: r9a06g032: Add missing '#power-domain-cells'
Without '#power-domain-cells' property, power-domains cannot
be used. This property is noted required in the device-tree
binding.
Add '#power-domain-cells' as needed.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Link: https://lore.kernel.org/r/20220422120850.769480-6-herve.codina@bootlin.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Yoshihiro Shimoda [Mon, 25 Apr 2022 06:41:56 +0000 (15:41 +0900)]
dt-bindings: clock: Add r8a779g0 CPG Core Clock Definitions
Add all Clock Pulse Generator Core Clock Outputs for the Renesas
R-Car V4H (R8A779G0) SoC.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/20220425064201.459633-3-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Yoshihiro Shimoda [Mon, 25 Apr 2022 06:41:55 +0000 (15:41 +0900)]
dt-bindings: power: Add r8a779g0 SYSC power domain definitions
Add power domain indices for R-Car V4H (r8a779g0).
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220425064201.459633-2-yoshihiro.shimoda.uh@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Geert Uytterhoeven [Mon, 11 Apr 2022 12:32:44 +0000 (14:32 +0200)]
ARM: dts: r9a06g032: Drop "arm,cortex-a7-timer" from timer node
"make dtbs_check":
arch/arm/boot/dts/r9a06g032-rzn1d400-db.dt.yaml: timer: compatible: 'oneOf' conditional failed, one must be fixed:
['arm,cortex-a7-timer', 'arm,armv7-timer'] is too long
'arm,cortex-a7-timer' is not one of ['arm,cortex-a15-timer']
'arm,cortex-a7-timer' is not one of ['arm,armv7-timer']
'arm,cortex-a7-timer' is not one of ['arm,armv8-timer']
From schema: Documentation/devicetree/bindings/timer/arm,arch_timer.yaml
The Cortex-A7 timer should just declare compatibility with
"arm,armv7-timer".
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/a8e0cf00a983b4c539cdb1cfad5cc6b10b423c5b.1649680220.git.geert+renesas@glider.be
Geert Uytterhoeven [Mon, 4 Apr 2022 15:35:32 +0000 (17:35 +0200)]
arm64: dts: renesas: r8a779f0: Add GPIO nodes
Add device nodes for the General Purpose Input/Output (GPIO) blocks on
the Renesas R-Car S4-8 (R8A779F0) SoC.
Note that GPIO blocks 4-7 are not added, as they can only be accessed
from the Control Domain.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/7fb68561026fa8bb5d9baf0596560c5c719a38cc.1649086225.git.geert+renesas@glider.be
Biju Das [Sat, 2 Apr 2022 08:13:28 +0000 (09:13 +0100)]
arm64: dts: renesas: rzg2ul-smarc-som: Enable Ethernet on SMARC platform
Enable Ethernet{0,1} interfaces on RZ/G2UL SMARC EVK.
Ethernet0 pins are muxed with CAN0, CAN1, SSI1 and RSPI1 pins and Ethernet0
device selection is based on the SW1[3] switch position.
Set SW1[3] to position OFF for selecting CAN0, CAN1, SSI1 and RSPI1.
Set SW1[3] to position ON for selecting Ethernet0.
This patch disables Ethernet0 on RZ/G2UL SMARC platform by default.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402081328.26292-8-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Sat, 2 Apr 2022 08:13:27 +0000 (09:13 +0100)]
arm64: dts: renesas: rzg2ul-smarc-som: Enable eMMC on SMARC platform
RZ/G2UL SoM has both 64GB eMMC and microSD connected to SDHI0.
Both these interfaces are mutually exclusive and the SD0 device
selection is based on SW1[2] on SoM module.
Set SW1[2] to position OFF for selecting eMMC
Set SW1[2] to position ON for selecting microSD
This patch enables eMMC on RZ/G2UL SMARC platform by default.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402081328.26292-7-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Sat, 2 Apr 2022 08:13:26 +0000 (09:13 +0100)]
arm64: dts: renesas: rzg2ul-smarc: Enable microSD on SMARC platform
Enable the microSD card slot connected to SDHI1 on the RZ/G2UL SMARC
platform by removing the sdhi1 override which disabled it, and by adding
the necessary pinmux required for SDHI1.
This patch also adds gpios property to vccq_sdhi1 regulator.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402081328.26292-6-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Sat, 2 Apr 2022 08:13:25 +0000 (09:13 +0100)]
arm64: dts: renesas: r9a07g043: Add GbEthernet nodes
Add Gigabit Ethernet{0,1} nodes to SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402081328.26292-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Sat, 2 Apr 2022 08:13:24 +0000 (09:13 +0100)]
arm64: dts: renesas: r9a07g043: Add SDHI nodes
Add SDHI{0, 1} nodes to RZ/G2UL SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402081328.26292-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Sat, 2 Apr 2022 08:13:23 +0000 (09:13 +0100)]
arm64: dts: renesas: rzg2ul-smarc: Add scif0 and audio clk pins
Add scif0 and audio clk pins to soc pinctrl dtsi and drop deleting
the pinctrl-0 and pinctrl-names properties for scif0 node so that
we now actually make use of these properties for scif0.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402081328.26292-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Sat, 2 Apr 2022 08:13:22 +0000 (09:13 +0100)]
arm64: dts: renesas: r9a07g043: Fillup the pinctrl stub node
Fillup the pinctrl(GPIO) stub node in RZ/G2UL SoC DTSI.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220402081328.26292-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Tue, 12 Apr 2022 16:13:14 +0000 (17:13 +0100)]
arm64: dts: renesas: Add initial device tree for RZ/G2UL Type-1 SMARC EVK
Add basic support for RZ/G2UL SMARC EVK (based on R9A07G043U11):
- memory
- External input clock
- CPG
- DMA
- SCIF
It shares the same carrier board with RZ/G2L, but the pin mapping is
different. Disable the device nodes which are not tested and delete the
corresponding pinctrl definitions.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220412161314.13800-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Tue, 12 Apr 2022 16:13:13 +0000 (17:13 +0100)]
arm64: dts: renesas: Add initial DTSI for RZ/G2UL SoC
Add initial DTSI for RZ/G2UL SoC.
Both RZ/G2L and RZ/G2UL uses the same SMARC EVK. Therefore they share
the common dtsi (rz-smarc.dtsi) file. Place holders are added in
device nodes to avoid compilation errors for the devices which have
not been enabled yet on RZ/G2UL SoC.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220412161314.13800-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Geert Uytterhoeven [Wed, 13 Apr 2022 11:56:04 +0000 (13:56 +0200)]
Merge tag 'renesas-r9a07g043-dt-binding-defs-tag' into HEAD
Renesas RZ/G2UL DT Binding Definitions
Clock and reset definitions for the Renesas RZ/G2UL (R9A07G043) SoC,
shared by driver and DT source files.
Biju Das [Fri, 1 Apr 2022 17:54:27 +0000 (18:54 +0100)]
arm64: dts: renesas: rzg2l-smarc: Move gpios property of vccq_sdhi1 from common dtsi
On RZ/G2{L,LC} SoM module, gpio for power selection is connected to
P39_1 whereas on RZ/G2UL it is connected to P6_1. So move gpios property
of vccq_sdhi1 regulator from common dtsi to soc specific dtsi.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220401175427.19078-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Fri, 1 Apr 2022 14:57:02 +0000 (15:57 +0100)]
arm64: dts: renesas: rzg2lc-smarc: Enable RSPI1 on carrier board
RSPI1 (SPI1) interface is available on PMOD0 connector (J1) on the
carrier board. This patch adds pinmux and spi1 nodes to the carrier
board dtsi file and drops deleting pinctl* properties from DTS file.
RSPI1 interface is tested by setting the macro SW_RSPI_CAN to 0.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220401145702.17954-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Geert Uytterhoeven [Tue, 29 Mar 2022 12:20:05 +0000 (14:20 +0200)]
arm64: dts: renesas: ulcb: Add RPC HyperFlash device node
Add the RPC HyperFlash device node along with its partitions to the
common ULCB board DTS file.
Based on a patch in the BSP by Valentine Barshak.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/61a63e819d4296760ca7ae83ef5226a2c4d7bd93.1648548339.git.geert+renesas@glider.be
Geert Uytterhoeven [Tue, 29 Mar 2022 12:20:04 +0000 (14:20 +0200)]
arm64: dts: renesas: salvator-common: Add RPC HyperFlash device node
Add the RPC HyperFlash device node along with its partitions to the
common Salvator-X(S) board DTS file.
Based on a patch in the BSP by Valentine Barshak.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/cfc6af8a4c42febcc405b7356c38448eec8e29b0.1648548339.git.geert+renesas@glider.be
Geert Uytterhoeven [Tue, 29 Mar 2022 12:20:03 +0000 (14:20 +0200)]
arm64: dts: renesas: ebisu: Add RPC HyperFlash device node
Add the RPC HyperFlash device node along with its partitions to the
common Ebisu board DTS file.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/b14c769f62211b67d90dbd2f127357756e6cb4fa.1648548339.git.geert+renesas@glider.be
Geert Uytterhoeven [Tue, 29 Mar 2022 12:20:02 +0000 (14:20 +0200)]
arm64: dts: renesas: draak: Add RPC HyperFlash device node
Add the RPC HyperFlash device node along with its partitions to the
common Draak board DTS file.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/0f3d3018ecfcdce1bce67708708a6d3a98368b10.1648548339.git.geert+renesas@glider.be
Geert Uytterhoeven [Tue, 29 Mar 2022 12:20:01 +0000 (14:20 +0200)]
arm64: dts: renesas: rcar-gen3: Add RPC device nodes
Add device nodes for the SPI Multi I/O Bus Controllers (RPC-IF) on the
various R-Car Gen3 SoCs that do not have support for them yet in their
device trees (R-Car H3, M3-W, M3-W+, M3-N, E3, and D3).
Based on patches in the BSP by Valentine Barshak.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/3231749c7b63df1a2134daabe66446a3e0e5515b.1648548339.git.geert+renesas@glider.be
Wolfram Sang [Tue, 22 Mar 2022 09:55:12 +0000 (10:55 +0100)]
arm64: dts: renesas: rcar-gen4: Add interrupt properties to watchdog nodes
Driver doesn't use it yet, but let's describe the HW properly.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220322095512.4707-6-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Wolfram Sang [Tue, 22 Mar 2022 09:55:11 +0000 (10:55 +0100)]
arm64: dts: renesas: rzg2: Add interrupt properties to watchdog nodes
Driver doesn't use it yet, but let's describe the HW properly.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220322095512.4707-5-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Wolfram Sang [Tue, 22 Mar 2022 09:55:10 +0000 (10:55 +0100)]
arm64: dts: renesas: rcar-gen3: Add interrupt properties to watchdog nodes
Driver doesn't use it yet, but let's describe the HW properly.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220322095512.4707-4-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Wolfram Sang [Tue, 22 Mar 2022 09:55:09 +0000 (10:55 +0100)]
ARM: dts: rzg1: Add interrupt properties to watchdog nodes
Driver doesn't use it yet, but let's describe the HW properly.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220322095512.4707-3-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Wolfram Sang [Tue, 22 Mar 2022 09:55:08 +0000 (10:55 +0100)]
ARM: dts: rcar-gen2: Add interrupt properties to watchdog nodes
Driver doesn't use it yet, but let's describe the HW properly.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220322095512.4707-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Sat, 2 Apr 2022 07:30:34 +0000 (08:30 +0100)]
dt-bindings: clock: Add R9A07G043 CPG Clock and Reset Definitions
Define RZ/G2UL (R9A07G043U) Clock Pulse Generator Core Clock and module
clock outputs, as listed in Table 7.1.4.2 ("Clock List r0.51") and also
add Reset definitions referring to registers CPG_RST_* in Section 7.2.3
("Register configuration") of the RZ/G2UL Hardware User's Manual (Rev.
0.51, Nov. 2021).
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220402073037.23947-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Geert Uytterhoeven [Thu, 3 Feb 2022 15:26:49 +0000 (16:26 +0100)]
arm64: dts: renesas: spider: Add Ethernet sub-board
Add a DTS file for the Spider Ether TSN sub-board (RTP8A779F0ASKB0ST0S),
and include it from the main r8a779f0-spider.dts.
For now its contents are limited to the Board ID EEPROM.
Extracted from a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/5aa58816182b34d9e5795bc1e22784f4e4879d13.1643898884.git.geert+renesas@glider.be
Geert Uytterhoeven [Thu, 3 Feb 2022 15:26:48 +0000 (16:26 +0100)]
arm64: dts: renesas: spider-cpu: Add I2C4 and EEPROMs
Enable the I2C4 bus on the Falcon CPU board, and describe the I2C EEPROMs
present on the Spider CPU and BreakOut boards.
Extracted from a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/6d8917e49f83b6a932970ca169100eb086d11f16.1643898884.git.geert+renesas@glider.be
Geert Uytterhoeven [Thu, 3 Feb 2022 15:26:47 +0000 (16:26 +0100)]
arm64: dts: renesas: r8a779f0: Add I2C nodes
Add device nodes for the I2C Bus Interfaces on the Renesas R-Car S4-8
(R8A779F0) SoC.
Based on a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/e1c7fb17801bc82a74aa5364212d02ba51535dd2.1643898884.git.geert+renesas@glider.be
Koji Matsuoka [Sat, 19 Mar 2022 22:33:05 +0000 (23:33 +0100)]
arm64: dts: renesas: r8a77961: Add CAN-FD node
Add the device node for the CAN-FD device on R-Car M3-W+.
Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@renesas.com>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220319223306.60782-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Ulrich Hecht [Wed, 9 Mar 2022 16:26:08 +0000 (17:26 +0100)]
arm64: dts: renesas: falcon: Enable CANFD 0 and 1
Enables confirmed-working CAN interfaces 0 and 1 on the Falcon board.
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Link: https://lore.kernel.org/r/20220309162609.3726306-4-uli+renesas@fpond.eu
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Ulrich Hecht [Wed, 9 Mar 2022 16:26:07 +0000 (17:26 +0100)]
arm64: dts: renesas: r8a779a0: Add CANFD device node
This patch adds a CANFD device node for r8a779a0.
Based on patch by Kazuya Mizuguchi.
Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu>
Link: https://lore.kernel.org/r/20220309162609.3726306-3-uli+renesas@fpond.eu
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Kieran Bingham [Wed, 9 Mar 2022 19:06:31 +0000 (19:06 +0000)]
arm64: dts: renesas: falcon-cpu: Use INTC_EX for SN65DSI86
The INTC block is a better choice for handling the interrupts on the V3U
as the INTC will always be powered, while the GPIO block may be
de-clocked if not in use. Further more, it may be likely to have a lower
power consumption as it does not need to drive the pins.
Switch the interrupt parent and interrupts definition from gpio1 to
irq0 on intc_ex, and configure the PFC accordingly.
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20220309190631.1576372-1-kieran.bingham+renesas@ideasonboard.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Tue, 8 Mar 2022 22:33:24 +0000 (22:33 +0000)]
arm64: dts: renesas: r9a07g054: Add TSU node
Add TSU and thermal-zones nodes to RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220308223324.7456-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Tue, 8 Mar 2022 22:33:23 +0000 (22:33 +0000)]
arm64: dts: renesas: r9a07g054: Add OPP table
Add OPP table for RZ/V2L SoC.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220308223324.7456-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Tue, 8 Mar 2022 22:33:22 +0000 (22:33 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the GPU node
Renesas RZ/V2L SoC has Mali-G31 GPU, this patch fills up the GPU node and
adds opp table to RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220308223324.7456-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 7 Mar 2022 19:24:35 +0000 (19:24 +0000)]
arm64: dts: renesas: rzg2lc-smarc-som: Add vdd core regulator
Add vdd core regulator (1.1 V) for GPU.
This patch add regulator support for GPU.
The H/W manual mentions nothing about a GPU regulator. So using vdd
core regulator for GPU.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220307192436.13237-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 7 Mar 2022 19:24:34 +0000 (19:24 +0000)]
arm64: dts: renesas: rzg2lc-smarc-som: Enable OSTM
Enable OSTM{1, 2} interfaces on RZ/G2LC SMARC EVK.
OSTM0 is reserved for TF-A.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220307192436.13237-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Mon, 7 Mar 2022 19:24:33 +0000 (19:24 +0000)]
arm64: dts: renesas: rzg2lc-smarc-som: Enable serial NOR flash
Enable mt25qu512a flash connected to QSPI0.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220307192436.13237-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Thu, 3 Mar 2022 16:41:55 +0000 (16:41 +0000)]
arm64: dts: renesas: rzg2lc-smarc: Enable Audio
Enable Audio on RZ/G2LC SMARC EVK by deleting ssi0 entries from
board DT and adding pincontrol entries to the soc-pinctrl dtsi,
so that entries from common dtsi kick in and make audio functionality
operational.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220303164155.7706-5-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Thu, 3 Mar 2022 16:41:54 +0000 (16:41 +0000)]
arm64: dts: renesas: rzg2lc-smarc: Enable i2c{0,1,2}
Enable i2c{0,1} on RZ/G2LC SMARC EVK by deleting respective
entries from board dts and adding pincontrol entries to the
soc-pinctrl dtsi. Also enable i2c2 by adding to soc dtsi.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220303164155.7706-4-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Thu, 3 Mar 2022 16:41:53 +0000 (16:41 +0000)]
arm64: dts: renesas: rzg2l-smarc: Move out i2c3 and Audio codec from common dtsi
On RZ/G2L SoM module, the Audio codec is connected to i2c3 bus whereas on
RZ/G2LC, it is connected to i2c2 bus. So move out i2c3 and wm8978 nodes
from common dtsi to soc specific dtsi.
While at it add wm8978 node to RZ/G2LC SoC specific dtsi to fix the
build error.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220303164155.7706-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Thu, 3 Mar 2022 16:41:52 +0000 (16:41 +0000)]
arm64: dts: renesas: rzg2lc-smarc-pinfunction: Sort the nodes
Sort the pinctrl nodes alphabetically.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220303164155.7706-2-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Biju Das [Wed, 2 Mar 2022 07:40:43 +0000 (07:40 +0000)]
arm64: dts: renesas: r9a07g044c2-smarc: Enable usb2.0
Enable usb2.0 host/device functionality on RZ/G2LC SMARC EVK
by deleting phyrst, usb2_phy{0,1}, ehci/ohci{0,1} and hsusb
entries from board DT, so that entries from common dtsi kick
in and make USB2.0 functionality operational.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220302074043.21525-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:44 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Add SPI{0,2} nodes and fillup SPI1 stub node
Add SPI{0,2} nodes and fillup SPI1 stub node in RZ/V2L (R9A07G054)
SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-13-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:43 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Add USB2.0 device support
Fillup the hsusb stub node in RZ/V2L (R9A07G054) SoC DTSI which enables
USB2.0 device support.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-12-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:42 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Add USB2.0 phy and host support
Add USB2.0 phy and host support to RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-11-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:41 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Add SSI{1,2,3} nodes and fillup the SSI0 stub node
Add SSI{1,2,3} nodes and fillup the SSI0 stub node in RZ/V2L
(R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-10-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:40 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the WDT{0,1,2} stub nodes
Fillup the WDT{0,1,2} stub nodes in RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-9-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:39 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the OSTM{0,1,2} stub nodes
Fillup the OSTM{0,1,2} stub nodes in RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-8-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:38 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the sbc stub node
Fillup the sbc stub node in RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-7-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:37 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the I2C{0,1,2,3} stub nodes
Fillup the I2C{0,1,2,3} stub nodes in RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-6-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:36 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054l2-smarc: Drop deleting can{0,1}-stb-hog nodes
Drop deleting can{0,1}-stb-hog nodes so that CAN becomes operational on
Renesas RZ/V2L SMARC EVK.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-5-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:35 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the CANFD stub node
Fillup the CANFD stub node in RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:34 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054l2-smarc: Drop deleting gpio-hog pins related to SDHI
Drop deleting gpio-hog pins related to SDHI0/1 so that SDHI functionality
gets enabled on Renesas RZ/V2L SMARC EVK.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Sun, 27 Feb 2022 20:37:33 +0000 (20:37 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the SDHI{0,1} stub nodes
Fillup the SDHI{0,1} stub nodes in RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-2-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Lad Prabhakar [Thu, 24 Feb 2022 12:58:43 +0000 (12:58 +0000)]
arm64: dts: renesas: r9a07g054: Fillup the ADC stub node
Fillup the ADC stub node in RZ/V2L (R9A07G054) SoC DTSI.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220224125843.29733-3-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Linus Torvalds [Sun, 3 Apr 2022 21:08:21 +0000 (14:08 -0700)]
Linux 5.18-rc1
Linus Torvalds [Sun, 3 Apr 2022 19:26:01 +0000 (12:26 -0700)]
Merge tag 'trace-v5.18-2' of git://git./linux/kernel/git/rostedt/linux-trace
Pull more tracing updates from Steven Rostedt:
- Rename the staging files to give them some meaning. Just
stage1,stag2,etc, does not show what they are for
- Check for NULL from allocation in bootconfig
- Hold event mutex for dyn_event call in user events
- Mark user events to broken (to work on the API)
- Remove eBPF updates from user events
- Remove user events from uapi header to keep it from being installed.
- Move ftrace_graph_is_dead() into inline as it is called from hot
paths and also convert it into a static branch.
* tag 'trace-v5.18-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
tracing: Move user_events.h temporarily out of include/uapi
ftrace: Make ftrace_graph_is_dead() a static branch
tracing: Set user_events to BROKEN
tracing/user_events: Remove eBPF interfaces
tracing/user_events: Hold event_mutex during dyn_event_add
proc: bootconfig: Add null pointer check
tracing: Rename the staging files for trace_events
Linus Torvalds [Sun, 3 Apr 2022 19:21:14 +0000 (12:21 -0700)]
Merge tag 'clk-for-linus' of git://git./linux/kernel/git/clk/linux
Pull clk fix from Stephen Boyd:
"A single revert to fix a boot regression seen when clk_put() started
dropping rate range requests. It's best to keep various systems
booting so we'll kick this out and try again next time"
* tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
Revert "clk: Drop the rate range on clk_put()"
Linus Torvalds [Sun, 3 Apr 2022 19:15:47 +0000 (12:15 -0700)]
Merge tag 'x86-urgent-2022-04-03' of git://git./linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"A set of x86 fixes and updates:
- Make the prctl() for enabling dynamic XSTATE components correct so
it adds the newly requested feature to the permission bitmap
instead of overwriting it. Add a selftest which validates that.
- Unroll string MMIO for encrypted SEV guests as the hypervisor
cannot emulate it.
- Handle supervisor states correctly in the FPU/XSTATE code so it
takes the feature set of the fpstate buffer into account. The
feature sets can differ between host and guest buffers. Guest
buffers do not contain supervisor states. So far this was not an
issue, but with enabling PASID it needs to be handled in the buffer
offset calculation and in the permission bitmaps.
- Avoid a gazillion of repeated CPUID invocations in by caching the
values early in the FPU/XSTATE code.
- Enable CONFIG_WERROR in x86 defconfig.
- Make the X86 defconfigs more useful by adapting them to Y2022
reality"
* tag 'x86-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu/xstate: Consolidate size calculations
x86/fpu/xstate: Handle supervisor states in XSTATE permissions
x86/fpu/xsave: Handle compacted offsets correctly with supervisor states
x86/fpu: Cache xfeature flags from CPUID
x86/fpu/xsave: Initialize offset/size cache early
x86/fpu: Remove unused supervisor only offsets
x86/fpu: Remove redundant XCOMP_BV initialization
x86/sev: Unroll string mmio with CC_ATTR_GUEST_UNROLL_STRING_IO
x86/config: Make the x86 defconfigs a bit more usable
x86/defconfig: Enable WERROR
selftests/x86/amx: Update the ARCH_REQ_XCOMP_PERM test
x86/fpu/xstate: Fix the ARCH_REQ_XCOMP_PERM implementation
Linus Torvalds [Sun, 3 Apr 2022 19:08:26 +0000 (12:08 -0700)]
Merge tag 'core-urgent-2022-04-03' of git://git./linux/kernel/git/tip/tip
Pull RT signal fix from Thomas Gleixner:
"Revert the RT related signal changes. They need to be reworked and
generalized"
* tag 'core-urgent-2022-04-03' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "signal, x86: Delay calling signals in atomic on RT enabled kernels"
Linus Torvalds [Sun, 3 Apr 2022 17:31:00 +0000 (10:31 -0700)]
Merge tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping
Pull more dma-mapping updates from Christoph Hellwig:
- fix a regression in dma remap handling vs AMD memory encryption (me)
- finally kill off the legacy PCI DMA API (Christophe JAILLET)
* tag 'dma-mapping-5.18-1' of git://git.infradead.org/users/hch/dma-mapping:
dma-mapping: move pgprot_decrypted out of dma_pgprot
PCI/doc: cleanup references to the legacy PCI DMA API
PCI: Remove the deprecated "pci-dma-compat.h" API
Linus Torvalds [Sun, 3 Apr 2022 17:17:48 +0000 (10:17 -0700)]
Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Pull ARM fixes from Russell King:
- avoid unnecessary rebuilds for library objects
- fix return value of __setup handlers
- fix invalid input check for "crashkernel=" kernel option
- silence KASAN warnings in unwind_frame
* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
ARM: 9191/1: arm/stacktrace, kasan: Silence KASAN warnings in unwind_frame()
ARM: 9190/1: kdump: add invalid input check for 'crashkernel=0'
ARM: 9187/1: JIVE: fix return value of __setup handler
ARM: 9189/1: decompressor: fix unneeded rebuilds of library objects
Stephen Boyd [Sun, 3 Apr 2022 02:28:18 +0000 (19:28 -0700)]
Revert "clk: Drop the rate range on clk_put()"
This reverts commit
7dabfa2bc4803eed83d6f22bd6f045495f40636b. There are
multiple reports that this breaks boot on various systems. The common
theme is that orphan clks are having rates set on them when that isn't
expected. Let's revert it out for now so that -rc1 boots.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reported-by: Tony Lindgren <tony@atomide.com>
Reported-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Link: https://lore.kernel.org/r/366a0232-bb4a-c357-6aa8-636e398e05eb@samsung.com
Cc: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lore.kernel.org/r/20220403022818.39572-1-sboyd@kernel.org
Linus Torvalds [Sat, 2 Apr 2022 19:57:17 +0000 (12:57 -0700)]
Merge tag 'perf-tools-for-v5.18-2022-04-02' of git://git./linux/kernel/git/acme/linux
Pull more perf tools updates from Arnaldo Carvalho de Melo:
- Avoid SEGV if core.cpus isn't set in 'perf stat'.
- Stop depending on .git files for building PERF-VERSION-FILE, used in
'perf --version', fixing some perf tools build scenarios.
- Convert tracepoint.py example to python3.
- Update UAPI header copies from the kernel sources: socket,
mman-common, msr-index, KVM, i915 and cpufeatures.
- Update copy of libbpf's hashmap.c.
- Directly return instead of using local ret variable in
evlist__create_syswide_maps(), found by coccinelle.
* tag 'perf-tools-for-v5.18-2022-04-02' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux:
perf python: Convert tracepoint.py example to python3
perf evlist: Directly return instead of using local ret variable
perf cpumap: More cpu map reuse by merge.
perf cpumap: Add is_subset function
perf evlist: Rename cpus to user_requested_cpus
perf tools: Stop depending on .git files for building PERF-VERSION-FILE
tools headers cpufeatures: Sync with the kernel sources
tools headers UAPI: Sync drm/i915_drm.h with the kernel sources
tools headers UAPI: Sync linux/kvm.h with the kernel sources
tools kvm headers arm64: Update KVM headers from the kernel sources
tools arch x86: Sync the msr-index.h copy with the kernel sources
tools headers UAPI: Sync asm-generic/mman-common.h with the kernel
perf beauty: Update copy of linux/socket.h with the kernel sources
perf tools: Update copy of libbpf's hashmap.c
perf stat: Avoid SEGV if core.cpus isn't set
Linus Torvalds [Sat, 2 Apr 2022 19:33:31 +0000 (12:33 -0700)]
Merge tag 'kbuild-fixes-v5.18' of git://git./linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild fixes from Masahiro Yamada:
- Fix empty $(PYTHON) expansion.
- Fix UML, which got broken by the attempt to suppress Clang warnings.
- Fix warning message in modpost.
* tag 'kbuild-fixes-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
modpost: restore the warning message for missing symbol versions
Revert "um: clang: Strip out -mno-global-merge from USER_CFLAGS"
kbuild: Remove '-mno-global-merge'
kbuild: fix empty ${PYTHON} in scripts/link-vmlinux.sh
kconfig: remove stale comment about removed kconfig_print_symbol()
Linus Torvalds [Sat, 2 Apr 2022 19:14:38 +0000 (12:14 -0700)]
Merge tag 'mips_5.18_1' of git://git./linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- build fix for gpio
- fix crc32 build problems
- check for failed memory allocations
* tag 'mips_5.18_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: crypto: Fix CRC32 code
MIPS: rb532: move GPIOD definition into C-files
MIPS: lantiq: check the return value of kzalloc()
mips: sgi-ip22: add a check for the return of kzalloc()
Linus Torvalds [Sat, 2 Apr 2022 19:09:02 +0000 (12:09 -0700)]
Merge tag 'for-linus' of git://git./virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
- Only do MSR filtering for MSRs accessed by rdmsr/wrmsr
- Documentation improvements
- Prevent module exit until all VMs are freed
- PMU Virtualization fixes
- Fix for kvm_irq_delivery_to_apic_fast() NULL-pointer dereferences
- Other miscellaneous bugfixes
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (42 commits)
KVM: x86: fix sending PV IPI
KVM: x86/mmu: do compare-and-exchange of gPTE via the user address
KVM: x86: Remove redundant vm_entry_controls_clearbit() call
KVM: x86: cleanup enter_rmode()
KVM: x86: SVM: fix tsc scaling when the host doesn't support it
kvm: x86: SVM: remove unused defines
KVM: x86: SVM: move tsc ratio definitions to svm.h
KVM: x86: SVM: fix avic spec based definitions again
KVM: MIPS: remove reference to trap&emulate virtualization
KVM: x86: document limitations of MSR filtering
KVM: x86: Only do MSR filtering when access MSR by rdmsr/wrmsr
KVM: x86/emulator: Emulate RDPID only if it is enabled in guest
KVM: x86/pmu: Fix and isolate TSX-specific performance event logic
KVM: x86: mmu: trace kvm_mmu_set_spte after the new SPTE was set
KVM: x86/svm: Clear reserved bits written to PerfEvtSeln MSRs
KVM: x86: Trace all APICv inhibit changes and capture overall status
KVM: x86: Add wrappers for setting/clearing APICv inhibits
KVM: x86: Make APICv inhibit reasons an enum and cleanup naming
KVM: X86: Handle implicit supervisor access with SMAP
KVM: X86: Rename variable smap to not_smap in permission_fault()
...
Masahiro Yamada [Fri, 1 Apr 2022 15:56:10 +0000 (00:56 +0900)]
modpost: restore the warning message for missing symbol versions
This log message was accidentally chopped off.
I was wondering why this happened, but checking the ML log, Mark
precisely followed my suggestion [1].
I just used "..." because I was too lazy to type the sentence fully.
Sorry for the confusion.
[1]: https://lore.kernel.org/all/CAK7LNAR6bXXk9-ZzZYpTqzFqdYbQsZHmiWspu27rtsFxvfRuVA@mail.gmail.com/
Fixes:
4a6795933a89 ("kbuild: modpost: Explicitly warn about unprototyped symbols")
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Linus Torvalds [Sat, 2 Apr 2022 18:03:03 +0000 (11:03 -0700)]
Merge tag 'for-5.18/drivers-2022-04-02' of git://git.kernel.dk/linux-block
Pull block driver fix from Jens Axboe:
"Got two reports on nbd spewing warnings on load now, which is a
regression from a commit that went into your tree yesterday.
Revert the problematic change for now"
* tag 'for-5.18/drivers-2022-04-02' of git://git.kernel.dk/linux-block:
Revert "nbd: fix possible overflow on 'first_minor' in nbd_dev_add()"
Linus Torvalds [Sat, 2 Apr 2022 17:54:52 +0000 (10:54 -0700)]
Merge tag 'pci-v5.18-changes-2' of git://git./linux/kernel/git/helgaas/pci
Pull pci fix from Bjorn Helgaas:
- Fix Hyper-V "defined but not used" build issue added during merge
window (YueHaibing)
* tag 'pci-v5.18-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: hv: Remove unused hv_set_msi_entry_from_desc()
Linus Torvalds [Sat, 2 Apr 2022 17:44:18 +0000 (10:44 -0700)]
Merge tag 'tag-chrome-platform-for-v5.18' of git://git./linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
"cros_ec_typec:
- Check for EC device - Fix a crash when using the cros_ec_typec
driver on older hardware not capable of typec commands
- Make try power role optional
- Mux configuration reorganization series from Prashant
cros_ec_debugfs:
- Fix use after free. Thanks Tzung-bi
sensorhub:
- cros_ec_sensorhub fixup - Split trace include file
misc:
- Add new mailing list for chrome-platform development:
chrome-platform@lists.linux.dev
Now with patchwork!"
* tag 'tag-chrome-platform-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux:
platform/chrome: cros_ec_debugfs: detach log reader wq from devm
platform: chrome: Split trace include file
platform/chrome: cros_ec_typec: Update mux flags during partner removal
platform/chrome: cros_ec_typec: Configure muxes at start of port update
platform/chrome: cros_ec_typec: Get mux state inside configure_mux
platform/chrome: cros_ec_typec: Move mux flag checks
platform/chrome: cros_ec_typec: Check for EC device
platform/chrome: cros_ec_typec: Make try power role optional
MAINTAINERS: platform-chrome: Add new chrome-platform@lists.linux.dev list
Jens Axboe [Sat, 2 Apr 2022 17:40:23 +0000 (11:40 -0600)]
Revert "nbd: fix possible overflow on 'first_minor' in nbd_dev_add()"
This reverts commit
6d35d04a9e18990040e87d2bbf72689252669d54.
Both Gabriel and Borislav report that this commit casues a regression
with nbd:
sysfs: cannot create duplicate filename '/dev/block/43:0'
Revert it before 5.18-rc1 and we'll investigage this separately in
due time.
Link: https://lore.kernel.org/all/YkiJTnFOt9bTv6A2@zn.tnic/
Reported-by: Gabriel L. Somlo <somlo@cmu.edu>
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Eric Dumazet [Mon, 28 Mar 2022 17:07:04 +0000 (18:07 +0100)]
watch_queue: Free the page array when watch_queue is dismantled
Commit
7ea1a0124b6d ("watch_queue: Free the alloc bitmap when the
watch_queue is torn down") took care of the bitmap, but not the page
array.
BUG: memory leak
unreferenced object 0xffff88810d9bc140 (size 32):
comm "syz-executor335", pid 3603, jiffies
4294946994 (age 12.840s)
hex dump (first 32 bytes):
40 a7 40 04 00 ea ff ff 00 00 00 00 00 00 00 00 @.@.............
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
kmalloc_array include/linux/slab.h:621 [inline]
kcalloc include/linux/slab.h:652 [inline]
watch_queue_set_size+0x12f/0x2e0 kernel/watch_queue.c:251
pipe_ioctl+0x82/0x140 fs/pipe.c:632
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
Reported-by: syzbot+25ea042ae28f3888727a@syzkaller.appspotmail.com
Fixes:
c73be61cede5 ("pipe: Add general notification queue support")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Jann Horn <jannh@google.com>
Link: https://lore.kernel.org/r/20220322004654.618274-1-eric.dumazet@gmail.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Steven Rostedt (Google) [Fri, 1 Apr 2022 18:39:03 +0000 (14:39 -0400)]
tracing: mark user_events as BROKEN
After being merged, user_events become more visible to a wider audience
that have concerns with the current API.
It is too late to fix this for this release, but instead of a full
revert, just mark it as BROKEN (which prevents it from being selected in
make config). Then we can work finding a better API. If that fails,
then it will need to be completely reverted.
To not have the code silently bitrot, still allow building it with
COMPILE_TEST.
And to prevent the uapi header from being installed, then later changed,
and then have an old distro user space see the old version, move the
header file out of the uapi directory.
Surround the include with CONFIG_COMPILE_TEST to the current location,
but when the BROKEN tag is taken off, it will use the uapi directory,
and fail to compile. This is a good way to remind us to move the header
back.
Link: https://lore.kernel.org/all/20220330155835.5e1f6669@gandalf.local.home
Link: https://lkml.kernel.org/r/20220330201755.29319-1-mathieu.desnoyers@efficios.com
Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Steven Rostedt (Google) [Fri, 1 Apr 2022 18:39:03 +0000 (14:39 -0400)]
tracing: Move user_events.h temporarily out of include/uapi
While user_events API is under development and has been marked for broken
to not let the API become fixed, move the header file out of the uapi
directory. This is to prevent it from being installed, then later changed,
and then have an old distro user space update with a new kernel, where
applications see the user_events being available, but the old header is in
place, and then they get compiled incorrectly.
Also, surround the include with CONFIG_COMPILE_TEST to the current
location, but when the BROKEN tag is taken off, it will use the uapi
directory, and fail to compile. This is a good way to remind us to move
the header back.
Link: https://lore.kernel.org/all/20220330155835.5e1f6669@gandalf.local.home
Link: https://lkml.kernel.org/r/20220330201755.29319-1-mathieu.desnoyers@efficios.com
Link: https://lkml.kernel.org/r/20220401143903.188384f3@gandalf.local.home
Suggested-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Christophe Leroy [Wed, 30 Mar 2022 07:00:19 +0000 (09:00 +0200)]
ftrace: Make ftrace_graph_is_dead() a static branch
ftrace_graph_is_dead() is used on hot paths, it just reads a variable
in memory and is not worth suffering function call constraints.
For instance, at entry of prepare_ftrace_return(), inlining it avoids
saving prepare_ftrace_return() parameters to stack and restoring them
after calling ftrace_graph_is_dead().
While at it using a static branch is even more performant and is
rather well adapted considering that the returned value will almost
never change.
Inline ftrace_graph_is_dead() and replace 'kill_ftrace_graph' bool
by a static branch.
The performance improvement is noticeable.
Link: https://lkml.kernel.org/r/e0411a6a0ed3eafff0ad2bc9cd4b0e202b4617df.1648623570.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>