kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Input: dm355evm_keys - remove dm355evm_keys_hardirq

Browse source 
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>
This commit is contained in:
Dmitry Torokhov 2009-09-16 01:06:42 -07:00
parent 30b37131aa
commit 3b0a9ce0a6
1 changed files with 9 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
drivers/input/misc/dm355evm_keys.c
View file

@ -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;