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MIPS: ath79: fix GPIO function selection for AR934x SoCs

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GPIO function selection is not working on the AR934x
SoCs because the offset of the function selection
register is different on those.

Add a helper routine which returns the correct
register address based on the SoC type, and use
that in the 'ath79_gpio_function_*' routines.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4870/
Signed-off-by: John Crispin <blogic@openwrt.org>
This commit is contained in:
Gabor Juhos
2013-01-29 08:19:12 +00:00
committed by John Crispin
parent 778eeb1b19
commit 8838becdf5
2 changed files with 28 additions and 12 deletions
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2
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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@@ -401,6 +401,8 @@
#define AR71XX_GPIO_REG_INT_ENABLE 0x24
#define AR71XX_GPIO_REG_FUNC 0x28
#define AR934X_GPIO_REG_FUNC 0x6c
#define AR71XX_GPIO_COUNT 16
#define AR7240_GPIO_COUNT 18
#define AR7241_GPIO_COUNT 20