SPI Kconfig simplifications

Use "if SPI_MASTER" to remove numerous dependencies.

[dbrownell@users.sourceforge.net: remove a couple now-needless EXPERIMENTAL dependencies too]
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 66ec5d8..2303521 100644 (file)
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -49,25 +49,26 @@ config SPI_MASTER
          controller and the protocol drivers for the SPI slave chips
          that are connected.
 
+if SPI_MASTER
+
 comment "SPI Master Controller Drivers"
-       depends on SPI_MASTER
 
 config SPI_ATMEL
        tristate "Atmel SPI Controller"
-       depends on (ARCH_AT91 || AVR32) && SPI_MASTER
+       depends on (ARCH_AT91 || AVR32)
        help
          This selects a driver for the Atmel SPI Controller, present on
          many AT32 (AVR32) and AT91 (ARM) chips.
 
 config SPI_BFIN
        tristate "SPI controller driver for ADI Blackfin5xx"
-       depends on SPI_MASTER && BLACKFIN
+       depends on BLACKFIN
        help
          This is the SPI controller master driver for Blackfin 5xx processor.
 
 config SPI_AU1550
        tristate "Au1550/Au12x0 SPI Controller"
-       depends on SPI_MASTER && (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
+       depends on (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
        select SPI_BITBANG
        help
          If you say yes to this option, support will be included for the
@@ -78,7 +79,6 @@ config SPI_AU1550
 
 config SPI_BITBANG
        tristate "Bitbanging SPI master"
-       depends on SPI_MASTER && EXPERIMENTAL
        help
          With a few GPIO pins, your system can bitbang the SPI protocol.
          Select this to get SPI support through I/O pins (GPIO, parallel
@@ -92,7 +92,7 @@ config SPI_BITBANG
 
 config SPI_BUTTERFLY
        tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
-       depends on SPI_MASTER && PARPORT && EXPERIMENTAL
+       depends on PARPORT
        select SPI_BITBANG
        help
          This uses a custom parallel port cable to connect to an AVR
@@ -102,14 +102,14 @@ config SPI_BUTTERFLY
 
 config SPI_IMX
        tristate "Freescale iMX SPI controller"
-       depends on SPI_MASTER && ARCH_IMX && EXPERIMENTAL
+       depends on ARCH_IMX && EXPERIMENTAL
        help
          This enables using the Freescale iMX SPI controller in master
          mode.
 
 config SPI_LM70_LLP
        tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
-       depends on SPI_MASTER && PARPORT && EXPERIMENTAL
+       depends on PARPORT && EXPERIMENTAL
        select SPI_BITBANG
        help
          This driver supports the NS LM70 LLP Evaluation Board,
@@ -118,14 +118,14 @@ config SPI_LM70_LLP
 
 config SPI_MPC52xx_PSC
        tristate "Freescale MPC52xx PSC SPI controller"
-       depends on SPI_MASTER && PPC_MPC52xx && EXPERIMENTAL
+       depends on PPC_MPC52xx && EXPERIMENTAL
        help
          This enables using the Freescale MPC52xx Programmable Serial
          Controller in master SPI mode.
 
 config SPI_MPC83xx
        tristate "Freescale MPC83xx/QUICC Engine SPI controller"
-       depends on SPI_MASTER && (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
+       depends on (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
        help
          This enables using the Freescale MPC83xx and QUICC Engine SPI
          controllers in master mode.
@@ -137,21 +137,21 @@ config SPI_MPC83xx
 
 config SPI_OMAP_UWIRE
        tristate "OMAP1 MicroWire"
-       depends on SPI_MASTER && ARCH_OMAP1
+       depends on ARCH_OMAP1
        select SPI_BITBANG
        help
          This hooks up to the MicroWire controller on OMAP1 chips.
 
 config SPI_OMAP24XX
        tristate "McSPI driver for OMAP24xx/OMAP34xx"
-       depends on SPI_MASTER && (ARCH_OMAP24XX || ARCH_OMAP34XX)
+       depends on ARCH_OMAP24XX || ARCH_OMAP34XX
        help
          SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
          (McSPI) modules.
 
 config SPI_PXA2XX
        tristate "PXA2xx SSP SPI master"
-       depends on SPI_MASTER && ARCH_PXA && EXPERIMENTAL
+       depends on ARCH_PXA && EXPERIMENTAL
        select PXA_SSP
        help
          This enables using a PXA2xx SSP port as a SPI master controller.
@@ -160,14 +160,14 @@ config SPI_PXA2XX
 
 config SPI_S3C24XX
        tristate "Samsung S3C24XX series SPI"
-       depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
+       depends on ARCH_S3C2410 && EXPERIMENTAL
        select SPI_BITBANG
        help
          SPI driver for Samsung S3C24XX series ARM SoCs
 
 config SPI_S3C24XX_GPIO
        tristate "Samsung S3C24XX series SPI by GPIO"
-       depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
+       depends on ARCH_S3C2410 && EXPERIMENTAL
        select SPI_BITBANG
        help
          SPI driver for Samsung S3C24XX series ARM SoCs using
@@ -177,20 +177,20 @@ config SPI_S3C24XX_GPIO
 
 config SPI_SH_SCI
        tristate "SuperH SCI SPI controller"
-       depends on SPI_MASTER && SUPERH
+       depends on SUPERH
        select SPI_BITBANG
        help
          SPI driver for SuperH SCI blocks.
 
 config SPI_TXX9
        tristate "Toshiba TXx9 SPI controller"
-       depends on SPI_MASTER && GENERIC_GPIO && CPU_TX49XX
+       depends on GENERIC_GPIO && CPU_TX49XX
        help
          SPI driver for Toshiba TXx9 MIPS SoCs
 
 config SPI_XILINX
        tristate "Xilinx SPI controller"
-       depends on SPI_MASTER && XILINX_VIRTEX && EXPERIMENTAL
+       depends on XILINX_VIRTEX && EXPERIMENTAL
        select SPI_BITBANG
        help
          This exposes the SPI controller IP from the Xilinx EDK.
@@ -207,11 +207,10 @@ config SPI_XILINX
 # being probably the most widely used ones.
 #
 comment "SPI Protocol Masters"
-       depends on SPI_MASTER
 
 config SPI_AT25
        tristate "SPI EEPROMs from most vendors"
-       depends on SPI_MASTER && SYSFS
+       depends on SYSFS
        help
          Enable this driver to get read/write support to most SPI EEPROMs,
          after you configure the board init code to know about each eeprom
@@ -222,7 +221,7 @@ config SPI_AT25
 
 config SPI_SPIDEV
        tristate "User mode SPI device driver support"
-       depends on SPI_MASTER && EXPERIMENTAL
+       depends on EXPERIMENTAL
        help
          This supports user mode SPI protocol drivers.
 
@@ -231,7 +230,7 @@ config SPI_SPIDEV
 
 config SPI_TLE62X0
        tristate "Infineon TLE62X0 (for power switching)"
-       depends on SPI_MASTER && SYSFS
+       depends on SYSFS
        help
          SPI driver for Infineon TLE62X0 series line driver chips,
          such as the TLE6220, TLE6230 and TLE6240.  This provides a
@@ -242,6 +241,8 @@ config SPI_TLE62X0
 # Add new SPI protocol masters in alphabetical order above this line
 #
 
+endif # SPI_MASTER
+
 # (slave support would go here)
 
 endif # SPI