gpiolib: split of_mm_gpio_chip out of linux/of_gpio.h

This is a rarely used feature that has nothing to do with the
client-side of_gpio.h.

Split it out with a separate header file and Kconfig option
so it can be removed on its own timeline aside from removing
the of_gpio consumer interfaces.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

6 files changed, 7 insertions, 3 deletions

diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig
index 25b80cd558f8..1624ebf95497 100644
--- a/arch/powerpc/platforms/44x/Kconfig
+++ b/arch/powerpc/platforms/44x/Kconfig
@@ -230,6 +230,7 @@ config PPC4xx_GPIO
 	bool "PPC4xx GPIO support"
 	depends on 44x
 	select GPIOLIB
+	select OF_GPIO_MM_GPIOCHIP
 	help
 	  Enable gpiolib support for ppc440 based boards
 
diff --git a/arch/powerpc/platforms/4xx/gpio.c b/arch/powerpc/platforms/4xx/gpio.c
index 49ee8d365852..e5f2319e5cbe 100644
--- a/arch/powerpc/platforms/4xx/gpio.c
+++ b/arch/powerpc/platforms/4xx/gpio.c
@@ -14,7 +14,7 @@
 #include <linux/spinlock.h>
 #include <linux/io.h>
 #include <linux/of.h>
-#include <linux/of_gpio.h>
+#include <linux/gpio/legacy-of-mm-gpiochip.h>
 #include <linux/gpio/driver.h>
 #include <linux/types.h>
 #include <linux/slab.h>
diff --git a/arch/powerpc/platforms/8xx/Kconfig b/arch/powerpc/platforms/8xx/Kconfig
index 60cc5b537a98..a14d9d8997a4 100644
--- a/arch/powerpc/platforms/8xx/Kconfig
+++ b/arch/powerpc/platforms/8xx/Kconfig
@@ -101,6 +101,7 @@ comment "Generic MPC8xx Options"
 config 8xx_GPIO
 	bool "GPIO API Support"
 	select GPIOLIB
+	select OF_GPIO_MM_GPIOCHIP
 	help
 	  Saying Y here will cause the ports on an MPC8xx processor to be used
 	  with the GPIO API.  If you say N here, the kernel needs less memory.
diff --git a/arch/powerpc/platforms/8xx/cpm1.c b/arch/powerpc/platforms/8xx/cpm1.c
index bb38c8d8f8de..56ca14f77543 100644
--- a/arch/powerpc/platforms/8xx/cpm1.c
+++ b/arch/powerpc/platforms/8xx/cpm1.c
@@ -44,7 +44,7 @@
 #include <asm/fs_pd.h>
 
 #ifdef CONFIG_8xx_GPIO
-#include <linux/of_gpio.h>
+#include <linux/gpio/legacy-of-mm-gpiochip.h>
 #endif
 
 #define CPM_MAP_SIZE    (0x4000)
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index d41dad227de8..8e4bbd19dec5 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -244,6 +244,7 @@ config QE_GPIO
 	bool "QE GPIO support"
 	depends on QUICC_ENGINE
 	select GPIOLIB
+	select OF_GPIO_MM_GPIOCHIP
 	help
 	  Say Y here if you're going to use hardware that connects to the
 	  QE GPIOs.
@@ -254,6 +255,7 @@ config CPM2
 	select CPM
 	select HAVE_PCI
 	select GPIOLIB
+	select OF_GPIO_MM_GPIOCHIP
 	help
 	  The CPM2 (Communications Processor Module) is a coprocessor on
 	  embedded CPUs made by Freescale.  Selecting this option means that
diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c
index 7dc1960f8bdb..8234013a8772 100644
--- a/arch/powerpc/sysdev/cpm_common.c
+++ b/arch/powerpc/sysdev/cpm_common.c
@@ -31,7 +31,7 @@
 #include <mm/mmu_decl.h>
 
 #if defined(CONFIG_CPM2) || defined(CONFIG_8xx_GPIO)
-#include <linux/of_gpio.h>
+#include <linux/gpio/legacy-of-mm-gpiochip.h>
 #endif
 
 static int __init cpm_init(void)