diff options
| author |   Michael Hennerich <michael.hennerich@analog.com> | 2008-02-02 16:17:52 +0800 |
|---|---|---|
| committer |   Bryan Wu <bryan.wu@analog.com> | 2008-02-02 16:17:52 +0800 |
| commit | f1bceb47b3f385d765acac7fe582cb11034dd759 (patch) | |
| tree | 90f5cb1400acd3913830e98dc04ed96191384eb9 /arch/blackfin | |
| parent | [Blackfin] arch: remove duplicated definitions of the line discipline numbers N_* in asm-blackfin/termios.h (diff) | |
| download | linux-dev-f1bceb47b3f385d765acac7fe582cb11034dd759.tar.xz linux-dev-f1bceb47b3f385d765acac7fe582cb11034dd759.zip | |
[Blackfin] arch:Fix BUG [#3876] pfbutton test for BTN3 on bf533 don't show complete info
- Buttons on the BF533-STAMP board are not inverted
- Fix spurious GPIO Interrupt caused during set irq_type for edge triggered interrupts
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/mach-bf533/boards/stamp.c | 6 | ||||
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 22 |
2 files changed, 16 insertions, 12 deletions
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c index 0185350feacc..41ec72f8a08c 100644 --- a/arch/blackfin/mach-bf533/boards/stamp.c +++ b/arch/blackfin/mach-bf533/boards/stamp.c @@ -423,9 +423,9 @@ static struct platform_device bfin_pata_device = { #include <linux/gpio_keys.h> static struct gpio_keys_button bfin_gpio_keys_table[] = { - {BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"}, - {BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"}, - {BTN_2, GPIO_PF8, 1, "gpio-keys: BTN2"}, + {BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"}, + {BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"}, + {BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"}, }; static struct gpio_keys_platform_data bfin_gpio_keys_data = { diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c index 81d00183ae91..880595afe98d 100644 --- a/arch/blackfin/mach-common/ints-priority.c +++ b/arch/blackfin/mach-common/ints-priority.c @@ -430,16 +430,8 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) return 0; } + set_gpio_inen(gpionr, 0); set_gpio_dir(gpionr, 0); - set_gpio_inen(gpionr, 1); - - if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) { - gpio_edge_triggered[gpio_bank(gpionr)] |= gpio_bit(gpionr); - set_gpio_edge(gpionr, 1); - } else { - set_gpio_edge(gpionr, 0); - gpio_edge_triggered[gpio_bank(gpionr)] &= ~gpio_bit(gpionr); - } if ((type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) == (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) @@ -452,6 +444,18 @@ static int bfin_gpio_irq_type(unsigned int irq, unsigned int type) else set_gpio_polar(gpionr, 0); /* high or rising edge denoted by zero */ + if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) { + set_gpio_edge(gpionr, 1); + set_gpio_inen(gpionr, 1); + gpio_edge_triggered[gpio_bank(gpionr)] |= gpio_bit(gpionr); + set_gpio_data(gpionr, 0); + + } else { + set_gpio_edge(gpionr, 0); + gpio_edge_triggered[gpio_bank(gpionr)] &= ~gpio_bit(gpionr); + set_gpio_inen(gpionr, 1); + } + SSYNC(); if (type & (IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING)) |