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/mach-common | |
| parent | a8c12385c203ca7fa1cd5af25f910c41f6e4a2b5 (diff) | |
| download | blackbird-op-linux-f1bceb47b3f385d765acac7fe582cb11034dd759.tar.gz blackbird-op-linux-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/mach-common')
| -rw-r--r-- | arch/blackfin/mach-common/ints-priority.c | 22 |
1 files changed, 13 insertions, 9 deletions
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)) |
