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authorShawn Guo <shawn.guo@linaro.org>2011-06-06 15:37:58 (GMT)
committerGrant Likely <grant.likely@secretlab.ca>2011-06-06 16:01:19 (GMT)
commit8d7cf8370d5fb75a3265408dceb1d6173eebfafd (patch)
treec14bbe3f058dc65e0f9e3dcd7dc0c8e66bbf8ce3 /arch/arm/mach-mxs/include/mach/devices-common.h
parent7b2fa5702059a03c11f934224724b2f712a749ce (diff)
downloadlinux-8d7cf8370d5fb75a3265408dceb1d6173eebfafd.tar.xz
gpio/mxs: Change gpio-mxs into an upstanding gpio driver
The patch makes necessary changes on gpio-mxs as below to turn it into an upstanding gpio driver. * Clean up the gpio port definition stuff * Use readl/writel to replace mach-specific accessors __raw_readl/__raw_writel * Change mxs_gpio_init into mxs_gpio_probe function And it then migrates mach-mxs to the updated driver by adding corresponding platform devices. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'arch/arm/mach-mxs/include/mach/devices-common.h')
-rw-r--r--arch/arm/mach-mxs/include/mach/devices-common.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 7a37469..812d7a8 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -11,6 +11,8 @@
#include <linux/init.h>
#include <linux/amba/bus.h>
+extern struct device mxs_apbh_bus;
+
struct platform_device *mxs_add_platform_device_dmamask(
const char *name, int id,
const struct resource *res, unsigned int num_resources,