forked from Minki/linux
22f4cb4bd0
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>
31 lines
959 B
C
31 lines
959 B
C
#ifndef __ASM_MACH_GPIO_PXA_H
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#define __ASM_MACH_GPIO_PXA_H
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#include <mach/addr-map.h>
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#include <mach/irqs.h>
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#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000)
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#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
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#define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x)))
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#define NR_BUILTIN_GPIO IRQ_GPIO_NUM
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#define gpio_to_bank(gpio) ((gpio) >> 5)
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/* NOTE: these macros are defined here to make optimization of
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* gpio_{get,set}_value() to work when 'gpio' is a constant.
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* Usage of these macros otherwise is no longer recommended,
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* use generic GPIO API whenever possible.
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*/
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#define GPIO_bit(gpio) (1 << ((gpio) & 0x1f))
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#define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
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#define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
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#define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
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#define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)
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#include <plat/gpio-pxa.h>
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#endif /* __ASM_MACH_GPIO_PXA_H */
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