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a59024f1
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体验新版 GitCode,发现更多精彩内容 >>
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a59024f1
编写于
11月 08, 2011
作者:
G
Grant Likely
浏览文件
操作
浏览文件
下载
差异文件
Merge branch 'for_3.2/gpio-cleanup' of
git://gitorious.org/khilman/linux-omap-pm
into gpio/merge
上级
7ea2aa20
83233749
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
34 addition
and
25 deletion
+34
-25
drivers/gpio/gpio-omap.c
drivers/gpio/gpio-omap.c
+34
-25
未找到文件。
drivers/gpio/gpio-omap.c
浏览文件 @
a59024f1
...
...
@@ -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. */
...
...
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