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authorShawn Guo <shawn.guo@linaro.org>2011-08-14 00:14:05 +0800
committerSascha Hauer <s.hauer@pengutronix.de>2011-08-17 08:31:57 +0200
commit1dfa86bb9d3fe7581d3182c24a812c8910cbee37 (patch)
tree6b2d36cd994c322e5ee4534f3c36a0cb7eed3a73 /arch/arm/plat-mxc/include/mach/hardware.h
parenta4395612290c7b70041952add7ad75b534c8b40c (diff)
arm/mxc: move IMX_GPIO_NR into mach/hardware.h
The patch moves IMX_GPIO_NR into mach/hardware.h, so that we only use standard gpiolib helpers in mach/gpio.h. Signed-off-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/plat-mxc/include/mach/hardware.h')
-rw-r--r--arch/arm/plat-mxc/include/mach/hardware.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h
index 77f6556f59a7..f57ec47d6fd5 100644
--- a/arch/arm/plat-mxc/include/mach/hardware.h
+++ b/arch/arm/plat-mxc/include/mach/hardware.h
@@ -116,6 +116,10 @@
.type = _type, \
}
+/* There's a off-by-one betweem the gpio bank number and the gpiochip */
+/* range e.g. GPIO_1_5 is gpio 5 under linux */
+#define IMX_GPIO_NR(bank, nr) (((bank) - 1) * 32 + (nr))
+
#define IMX_GPIO_TO_IRQ(gpio) (MXC_GPIO_IRQ_START + (gpio))
#endif /* __ASM_ARCH_MXC_HARDWARE_H__ */