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mfd: remove CONFIG_MFD_SUPPORT

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We currently have two symbols to control compilation the MFD subsystem,
MFD_SUPPORT and MFD_CORE. The MFD_SUPPORT is actually not required
at all, it only hides the submenu when not set, with the effect that
Kconfig warns about missing dependencies when another driver selects
an MFD driver while MFD_SUPPORT is disabled. Turning the MFD submenu
back from menuconfig into a plain menu simplifies the Kconfig syntax
for those kinds of users and avoids the surprise when the menu
suddenly appears because another driver was enabled that selects this
symbol.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2011-09-02 16:43:36 +02:00 committed by Samuel Ortiz
parent b46880e57b
commit 8a0a8e8e42
5 changed files with 5 additions and 23 deletions
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1
arch/arm/mach-omap2/Kconfig
View File

@ -14,7 +14,6 @@ config ARCH_OMAP2PLUS_TYPICAL
select SERIAL_OMAP_CONSOLE
select I2C
select I2C_OMAP
select MFD_SUPPORT
select MENELAUS if ARCH_OMAP2
select TWL4030_CORE if ARCH_OMAP3 || ARCH_OMAP4
select TWL4030_POWER if ARCH_OMAP3 || ARCH_OMAP4

3
drivers/gpio/Kconfig
View File

@ -180,7 +180,7 @@ config GPIO_SCH
config GPIO_VX855
tristate "VIA VX855/VX875 GPIO"
depends on MFD_SUPPORT && PCI
depends on PCI
select MFD_CORE
select MFD_VX855
help
@ -417,7 +417,6 @@ config GPIO_TIMBERDALE
config GPIO_RDC321X
tristate "RDC R-321x GPIO support"
depends on PCI
select MFD_SUPPORT
select MFD_CORE
select MFD_RDC321X
help

1
drivers/i2c/busses/Kconfig
View File

@ -110,7 +110,6 @@ config I2C_I801
config I2C_ISCH
tristate "Intel SCH SMBus 1.0"
depends on PCI
select MFD_CORE
select LPC_SCH
help
Say Y here if you want to use SMBus controller on the Intel SCH

1
drivers/media/radio/Kconfig
View File

@ -426,7 +426,6 @@ config RADIO_TIMBERDALE
config RADIO_WL1273
tristate "Texas Instruments WL1273 I2C FM Radio"
depends on I2C && VIDEO_V4L2
select MFD_CORE
select MFD_WL1273_CORE
select FW_LOADER
---help---

22
drivers/mfd/Kconfig
View File

@ -2,23 +2,8 @@
# Multifunction miscellaneous devices
#
menuconfig MFD_SUPPORT
bool "Multifunction device drivers"
depends on HAS_IOMEM
default y
help
Multifunction devices embed several functions (e.g. GPIOs,
touchscreens, keyboards, current regulators, power management chips,
etc...) in one single integrated circuit. They usually talk to the
main CPU through one or more IRQ lines and low speed data busses (SPI,
I2C, etc..). They appear as one single device to the main system
through the data bus and the MFD framework allows for sub devices
(a.k.a. functions) to appear as discrete platform devices.
MFDs are typically found on embedded platforms.
This option alone does not add any kernel code.
if MFD_SUPPORT
if HAS_IOMEM
menu "Multifunction device drivers"
config MFD_CORE
tristate
@ -772,7 +757,8 @@ config MFD_AAT2870_CORE
additional drivers must be enabled in order to use the
functionality of the device.
endif # MFD_SUPPORT
endmenu
endif
menu "Multimedia Capabilities Port drivers"
depends on ARCH_SA1100