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Message-Id: <1364562678-8945-3-git-send-email-acourbot@nvidia.com>
Date: Fri, 29 Mar 2013 06:11:17 -0700
From: Alexandre Courbot <gnurou@...il.com>
To: Grant Likely <grant.likely@...retlab.ca>,
Linus Walleij <linus.walleij@...aro.org>,
Arnd Bergmann <arnd@...db.de>,
Romain Naour <romain.naour@...nwide.fr>
Cc: linux-arch@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, gnurou@...il.com,
Alexandre Courbot <acourbot@...dia.com>
Subject: [PATCH 2/3] Remove GENERIC_GPIO config option
GENERIC_GPIO has been made equivalent to GPIOLIB in architecture code
and all driver code has been switch to depend on GPIOLIB. It is thus
safe to have GENERIC_GPIO removed.
Signed-off-by: Alexandre Courbot <acourbot@...dia.com>
---
Documentation/gpio.txt | 10 +++++-----
arch/alpha/Kconfig | 3 ---
arch/arm/Kconfig | 3 ---
arch/arm/plat-orion/gpio.c | 2 +-
arch/arm64/Kconfig | 3 ---
arch/avr32/Kconfig | 3 ---
arch/blackfin/Kconfig | 3 ---
arch/hexagon/Kconfig | 3 ---
arch/ia64/Kconfig | 3 ---
arch/m68k/Kconfig | 3 ---
arch/metag/Kconfig | 3 ---
arch/microblaze/Kconfig | 3 ---
arch/mips/Kconfig | 3 ---
arch/openrisc/Kconfig | 3 ---
arch/powerpc/Kconfig | 5 -----
arch/sh/Kconfig | 3 ---
arch/sparc/Kconfig | 5 -----
arch/unicore32/Kconfig | 3 ---
arch/x86/Kconfig | 3 ---
arch/xtensa/Kconfig | 3 ---
drivers/gpio/Kconfig | 1 -
drivers/gpio/gpio-lpc32xx.c | 2 +-
22 files changed, 7 insertions(+), 66 deletions(-)
diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt
index 77a1d11..6f83fa9 100644
--- a/Documentation/gpio.txt
+++ b/Documentation/gpio.txt
@@ -72,11 +72,11 @@ in this document, but drivers acting as clients to the GPIO interface must
not care how it's implemented.)
That said, if the convention is supported on their platform, drivers should
-use it when possible. Platforms must declare GENERIC_GPIO support in their
-Kconfig (boolean true), and provide an <asm/gpio.h> file. Drivers that can't
-work without standard GPIO calls should have Kconfig entries which depend
-on GENERIC_GPIO. The GPIO calls are available, either as "real code" or as
-optimized-away stubs, when drivers use the include file:
+use it when possible. Platforms must select ARCH_REQUIRE_GPIOLIB or
+ARCH_WANT_OPTIONAL_GPIOLIB in their Kconfig. Drivers that can't work without
+standard GPIO calls should have Kconfig entries which depend on GPIOLIB. The
+GPIO calls are available, either as "real code" or as optimized-away stubs,
+when drivers use the include file:
#include <linux/gpio.h>
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 8a33ba0..282ff37 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -56,9 +56,6 @@ config GENERIC_CALIBRATE_DELAY
bool
default y
-config GENERIC_GPIO
- bool
-
config ZONE_DMA
bool
default y
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 13b7394..ceac9a4 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -107,9 +107,6 @@ config MIGHT_HAVE_PCI
config SYS_SUPPORTS_APM_EMULATION
bool
-config GENERIC_GPIO
- bool
-
config HAVE_TCM
bool
select GENERIC_ALLOCATOR
diff --git a/arch/arm/plat-orion/gpio.c b/arch/arm/plat-orion/gpio.c
index c29ee7e..59ddf4d 100644
--- a/arch/arm/plat-orion/gpio.c
+++ b/arch/arm/plat-orion/gpio.c
@@ -150,7 +150,7 @@ err_out:
}
/*
- * GENERIC_GPIO primitives.
+ * GPIO primitives.
*/
static int orion_gpio_request(struct gpio_chip *chip, unsigned pin)
{
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 9b6d19f..e6e7007 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -92,9 +92,6 @@ config SWIOTLB
config IOMMU_HELPER
def_bool SWIOTLB
-config GENERIC_GPIO
- bool
-
source "init/Kconfig"
source "kernel/Kconfig.freezer"
diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
index d22c6b4..ff775b8 100644
--- a/arch/avr32/Kconfig
+++ b/arch/avr32/Kconfig
@@ -26,9 +26,6 @@ config AVR32
There is an AVR32 Linux project with a web page at
http://avr32linux.org/.
-config GENERIC_GPIO
- def_bool n
-
config STACKTRACE_SUPPORT
def_bool y
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 20e203a..71dd50b 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -55,9 +55,6 @@ config GENERIC_BUG
config ZONE_DMA
def_bool y
-config GENERIC_GPIO
- def_bool n
-
config FORCE_MAX_ZONEORDER
int
default "14"
diff --git a/arch/hexagon/Kconfig b/arch/hexagon/Kconfig
index e4decc6..21d6ba9 100644
--- a/arch/hexagon/Kconfig
+++ b/arch/hexagon/Kconfig
@@ -170,9 +170,6 @@ source "mm/Kconfig"
source "kernel/Kconfig.hz"
-config GENERIC_GPIO
- def_bool n
-
endmenu
source "init/Kconfig"
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9a02f71..38ef339 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -101,9 +101,6 @@ config GENERIC_CALIBRATE_DELAY
config HAVE_SETUP_PER_CPU_AREA
def_bool y
-config GENERIC_GPIO
- bool
-
config DMI
bool
default y
diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
index 6de8133..821170e 100644
--- a/arch/m68k/Kconfig
+++ b/arch/m68k/Kconfig
@@ -35,9 +35,6 @@ config ARCH_HAS_ILOG2_U32
config ARCH_HAS_ILOG2_U64
bool
-config GENERIC_GPIO
- bool
-
config GENERIC_HWEIGHT
bool
default y
diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig
index afc8973..0e97f5c5 100644
--- a/arch/metag/Kconfig
+++ b/arch/metag/Kconfig
@@ -54,9 +54,6 @@ config GENERIC_HWEIGHT
config GENERIC_CALIBRATE_DELAY
def_bool y
-config GENERIC_GPIO
- def_bool n
-
config NO_IOPORT
def_bool y
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 1323fa2..4fb682a 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -56,9 +56,6 @@ config GENERIC_HWEIGHT
config GENERIC_CALIBRATE_DELAY
def_bool y
-config GENERIC_GPIO
- bool
-
config GENERIC_CSUM
def_bool y
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ff0e563..5393981 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1004,9 +1004,6 @@ config GENERIC_ISA_DMA_SUPPORT_BROKEN
config ISA_DMA_API
bool
-config GENERIC_GPIO
- bool
-
config HOLES_IN_ZONE
bool
diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index e324402..6c404ee 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -44,9 +44,6 @@ config GENERIC_HWEIGHT
config NO_IOPORT
def_bool y
-config GENERIC_GPIO
- def_bool n
-
config TRACE_IRQFLAGS_SUPPORT
def_bool y
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index ea5bb04..9c5bc68 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -82,11 +82,6 @@ config GENERIC_HWEIGHT
bool
default y
-config GENERIC_GPIO
- bool
- help
- Generic GPIO API support
-
config PPC
bool
default y
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 5e85963..f9391a6 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -92,9 +92,6 @@ config GENERIC_CSUM
config GENERIC_HWEIGHT
def_bool y
-config GENERIC_GPIO
- def_bool n
-
config GENERIC_CALIBRATE_DELAY
bool
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 3d361f2..90b3a0f 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -135,11 +135,6 @@ config GENERIC_ISA_DMA
bool
default y if SPARC32
-config GENERIC_GPIO
- bool
- help
- Generic GPIO API support
-
config ARCH_SUPPORTS_DEBUG_PAGEALLOC
def_bool y if SPARC64
diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig
index 468cd70..41bcc00 100644
--- a/arch/unicore32/Kconfig
+++ b/arch/unicore32/Kconfig
@@ -23,9 +23,6 @@ config UNICORE32
designs licensed by PKUnity Ltd.
Please see web page at <http://www.pkunity.com/>.
-config GENERIC_GPIO
- bool
-
config GENERIC_CSUM
def_bool y
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 70c0f3d..a6298c2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -172,9 +172,6 @@ config GENERIC_BUG_RELATIVE_POINTERS
config GENERIC_HWEIGHT
def_bool y
-config GENERIC_GPIO
- bool
-
config ARCH_MAY_HAVE_PC_FDC
def_bool y
depends on ISA_DMA_API
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index b09de49..acdfc61 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -33,9 +33,6 @@ config RWSEM_XCHGADD_ALGORITHM
config GENERIC_HWEIGHT
def_bool y
-config GENERIC_GPIO
- bool
-
config ARCH_HAS_ILOG2_U32
def_bool n
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 93aaadf..5d53aba 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -38,7 +38,6 @@ config GPIO_DEVRES
menuconfig GPIOLIB
bool "GPIO Support"
depends on ARCH_WANT_OPTIONAL_GPIOLIB || ARCH_REQUIRE_GPIOLIB
- select GENERIC_GPIO
help
This enables GPIO support through the generic GPIO library.
You only need to enable this, if you also want to enable
diff --git a/drivers/gpio/gpio-lpc32xx.c b/drivers/gpio/gpio-lpc32xx.c
index 36d7dee..4ad9c6b 100644
--- a/drivers/gpio/gpio-lpc32xx.c
+++ b/drivers/gpio/gpio-lpc32xx.c
@@ -255,7 +255,7 @@ static int __get_gpo_state_p3(struct lpc32xx_gpio_chip *group,
}
/*
- * GENERIC_GPIO primitives.
+ * GPIO primitives.
*/
static int lpc32xx_gpio_dir_input_p012(struct gpio_chip *chip,
unsigned pin)
--
1.8.2
--
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