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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-11-21 21:56:56 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-11-21 21:56:56 +0000 |
| commit | 2d13ccaa8797d7e599f3792aed4b1e44b47f94a5 (patch) | |
| tree | 7079c1610373fc6709c3a285a53099beaf21295a /drivers/gpio/gpio-omap.c | |
| parent | 59136ef3c596606d3eef920dc3e0fdfa2ce52c6f (diff) | |
| parent | 11f1c5de7be06bbb51363002ebc4d00edc2677df (diff) | |
| download | olio-linux-3.10-2d13ccaa8797d7e599f3792aed4b1e44b47f94a5.tar.xz olio-linux-3.10-2d13ccaa8797d7e599f3792aed4b1e44b47f94a5.zip | |
Merge branch 'irqchip-consolidation' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into devel-stable
Conflicts:
arch/arm/mach-omap2/board-4430sdp.c
arch/arm/mach-omap2/board-omap4panda.c
arch/arm/mach-omap2/include/mach/omap4-common.h
arch/arm/plat-omap/include/plat/irqs.h
The changes to omap4-common.h were moved to arch/arm/mach-omap2/common.h
and the other trivial conflicts resolved. The now empty ifdef in irqs.h
was also eliminated.
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 59 |
1 files changed, 34 insertions, 25 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 0e49d87f6c6..0b056297917 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -148,13 +148,17 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio) return (__raw_readl(reg) & GPIO_BIT(bank, gpio)) != 0; } -#define MOD_REG_BIT(reg, bit_mask, set) \ -do { \ - int l = __raw_readl(base + reg); \ - if (set) l |= bit_mask; \ - else l &= ~bit_mask; \ - __raw_writel(l, base + reg); \ -} while(0) +static inline void _gpio_rmw(void __iomem *base, u32 reg, u32 mask, bool set) +{ + int l = __raw_readl(base + reg); + + if (set) + l |= mask; + else + l &= ~mask; + + __raw_writel(l, base + reg); +} /** * _set_gpio_debounce - low level gpio debounce time @@ -210,28 +214,28 @@ static inline void set_24xx_gpio_triggering(struct gpio_bank *bank, int gpio, u32 gpio_bit = 1 << gpio; if (cpu_is_omap44xx()) { - MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT0, gpio_bit, - trigger & IRQ_TYPE_LEVEL_LOW); - MOD_REG_BIT(OMAP4_GPIO_LEVELDETECT1, gpio_bit, - trigger & IRQ_TYPE_LEVEL_HIGH); - MOD_REG_BIT(OMAP4_GPIO_RISINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_RISING); - MOD_REG_BIT(OMAP4_GPIO_FALLINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_FALLING); + _gpio_rmw(base, OMAP4_GPIO_LEVELDETECT0, gpio_bit, + trigger & IRQ_TYPE_LEVEL_LOW); + _gpio_rmw(base, OMAP4_GPIO_LEVELDETECT1, gpio_bit, + trigger & IRQ_TYPE_LEVEL_HIGH); + _gpio_rmw(base, OMAP4_GPIO_RISINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_RISING); + _gpio_rmw(base, OMAP4_GPIO_FALLINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_FALLING); } else { - MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT0, gpio_bit, - trigger & IRQ_TYPE_LEVEL_LOW); - MOD_REG_BIT(OMAP24XX_GPIO_LEVELDETECT1, gpio_bit, - trigger & IRQ_TYPE_LEVEL_HIGH); - MOD_REG_BIT(OMAP24XX_GPIO_RISINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_RISING); - MOD_REG_BIT(OMAP24XX_GPIO_FALLINGDETECT, gpio_bit, - trigger & IRQ_TYPE_EDGE_FALLING); + _gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT0, gpio_bit, + trigger & IRQ_TYPE_LEVEL_LOW); + _gpio_rmw(base, OMAP24XX_GPIO_LEVELDETECT1, gpio_bit, + trigger & IRQ_TYPE_LEVEL_HIGH); + _gpio_rmw(base, OMAP24XX_GPIO_RISINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_RISING); + _gpio_rmw(base, OMAP24XX_GPIO_FALLINGDETECT, gpio_bit, + trigger & IRQ_TYPE_EDGE_FALLING); } if (likely(!(bank->non_wakeup_gpios & gpio_bit))) { if (cpu_is_omap44xx()) { - MOD_REG_BIT(OMAP4_GPIO_IRQWAKEN0, gpio_bit, - trigger != 0); + _gpio_rmw(base, OMAP4_GPIO_IRQWAKEN0, gpio_bit, + trigger != 0); } else { /* * GPIO wakeup request can only be generated on edge @@ -1086,6 +1090,11 @@ omap_mpuio_alloc_gc(struct gpio_bank *bank, unsigned int irq_start, gc = irq_alloc_generic_chip("MPUIO", 1, irq_start, bank->base, handle_simple_irq); + if (!gc) { + dev_err(bank->dev, "Memory alloc failed for gc\n"); + return; + } + ct = gc->chip_types; /* NOTE: No ack required, reading IRQ status clears it. */ |