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authorHaojian Zhuang <haojian.zhuang@marvell.com>2011-11-09 10:47:21 +0800
committerEric Miao <eric.y.miao@gmail.com>2011-11-14 13:34:29 +0800
commit22f4cb4bd06db14912f69039917422fe0c5b11fb (patch)
tree6bcd9d72a9f1c82a58ee4815e62cd901ecd8d543 /arch/arm/mach-mmp/include
parentc0a39151a4055332897cba615623d3de2f3896df (diff)
ARM: mmp: fix build error on gpio
Parameters of GPIO_REG() should be assigned as volatile. arch/arm/plat-pxa/include/plat/gpio.h: In function ‘gpio_get_value’: arch/arm/plat-pxa/include/plat/gpio.h:12:21: error: invalid operands to binary & (have ‘void *’ and ‘int’) arch/arm/plat-pxa/include/plat/gpio.h: In function ‘gpio_set_value’: arch/arm/plat-pxa/include/plat/gpio.h:21:4: error: lvalue required as left operand of assignment arch/arm/plat-pxa/include/plat/gpio.h:23:4: error: lvalue required as left operand of assignment Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
Diffstat (limited to 'arch/arm/mach-mmp/include')
-rw-r--r--arch/arm/mach-mmp/include/mach/gpio-pxa.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-mmp/include/mach/gpio-pxa.h b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
index d14eeaf1632..99b4ce1b656 100644
--- a/arch/arm/mach-mmp/include/mach/gpio-pxa.h
+++ b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
@@ -7,7 +7,7 @@
#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000)
#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
-#define GPIO_REG(x) (GPIO_REGS_VIRT + (x))
+#define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
#define NR_BUILTIN_GPIO IRQ_GPIO_NUM