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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-16 10:06:42 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2009-09-18 08:24:01 +0200 |
| commit | 3b0a9ce0a6918e881c3f44bf1fc2194a8d019104 (patch) | |
| tree | 9e34534d017f88ec1742cb8fd42e88abb230c57d /drivers/input/misc/dm355evm_keys.c | |
| parent | Input: synaptics_i2c - switch to using __cancel_delayed_work() (diff) | |
| download | linux-3b0a9ce0a6918e881c3f44bf1fc2194a8d019104.tar.xz linux-3b0a9ce0a6918e881c3f44bf1fc2194a8d019104.zip | |
Input: dm355evm_keys - remove dm355evm_keys_hardirq
The genirq already provides default hard IRQ handler for threaded
IRQs, no need to implement our own here.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/misc/dm355evm_keys.c')
| -rw-r--r-- | drivers/input/misc/dm355evm_keys.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/input/misc/dm355evm_keys.c b/drivers/input/misc/dm355evm_keys.c index 0918acae584a..f2b67dc81d80 100644 --- a/drivers/input/misc/dm355evm_keys.c +++ b/drivers/input/misc/dm355evm_keys.c @@ -96,7 +96,13 @@ static struct { { 0x3169, KEY_PAUSE, }, }; -/* runs in an IRQ thread -- can (and will!) sleep */ +/* + * Because we communicate with the MSP430 using I2C, and all I2C calls + * in Linux sleep, we use a threaded IRQ handler. The IRQ itself is + * active low, but we go through the GPIO controller so we can trigger + * on falling edges and not worry about enabling/disabling the IRQ in + * the keypress handling path. + */ static irqreturn_t dm355evm_keys_irq(int irq, void *_keys) { struct dm355evm_keys *keys = _keys; @@ -171,18 +177,6 @@ static irqreturn_t dm355evm_keys_irq(int irq, void *_keys) return IRQ_HANDLED; } -/* - * Because we communicate with the MSP430 using I2C, and all I2C calls - * in Linux sleep, we use a threaded IRQ handler. The IRQ itself is - * active low, but we go through the GPIO controller so we can trigger - * on falling edges and not worry about enabling/disabling the IRQ in - * the keypress handling path. - */ -static irqreturn_t dm355evm_keys_hardirq(int irq, void *_keys) -{ - return IRQ_WAKE_THREAD; -} - static int dm355evm_setkeycode(struct input_dev *dev, int index, int keycode) { u16 old_keycode; @@ -257,10 +251,8 @@ static int __devinit dm355evm_keys_probe(struct platform_device *pdev) /* REVISIT: flush the event queue? */ - status = request_threaded_irq(keys->irq, - dm355evm_keys_hardirq, dm355evm_keys_irq, - IRQF_TRIGGER_FALLING, - dev_name(&pdev->dev), keys); + status = request_threaded_irq(keys->irq, NULL, dm355evm_keys_irq, + IRQF_TRIGGER_FALLING, dev_name(&pdev->dev), keys); if (status < 0) goto fail1; |