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Input: omap-keypad - convert to threaded IRQ

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Convert to use threaded IRQ.

Signed-off-by: Illia Smyrnov <illia.smyrnov@ti.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Illia Smyrnov 2013-08-25 23:25:50 -07:00 committed by Dmitry Torokhov
parent 875ad6966e
commit c683da3ec9
1 changed files with 20 additions and 9 deletions
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29
drivers/input/keyboard/omap4-keypad.c
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@ -112,8 +112,22 @@ static void kbd_write_irqreg(struct omap4_keypad *keypad_data,
}
/* Interrupt handler */
static irqreturn_t omap4_keypad_interrupt(int irq, void *dev_id)
/* Interrupt handlers */
static irqreturn_t omap4_keypad_irq_handler(int irq, void *dev_id)
{
struct omap4_keypad *keypad_data = dev_id;
if (kbd_read_irqreg(keypad_data, OMAP4_KBD_IRQSTATUS)) {
/* Disable interrupts */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
OMAP4_VAL_IRQDISABLE);
return IRQ_WAKE_THREAD;
}
return IRQ_NONE;
}
static irqreturn_t omap4_keypad_irq_thread_fn(int irq, void *dev_id)
{
struct omap4_keypad *keypad_data = dev_id;
struct input_dev *input_dev = keypad_data->input;
@ -121,10 +135,6 @@ static irqreturn_t omap4_keypad_interrupt(int irq, void *dev_id)
unsigned int col, row, code, changed;
u32 *new_state = (u32 *) key_state;
/* Disable interrupts */
kbd_write_irqreg(keypad_data, OMAP4_KBD_IRQENABLE,
OMAP4_VAL_IRQDISABLE);
*new_state = kbd_readl(keypad_data, OMAP4_KBD_FULLCODE31_0);
*(new_state + 1) = kbd_readl(keypad_data, OMAP4_KBD_FULLCODE63_32);
@ -360,9 +370,10 @@ static int omap4_keypad_probe(struct platform_device *pdev)
goto err_free_keymap;
}
error = request_irq(keypad_data->irq, omap4_keypad_interrupt,
IRQF_TRIGGER_RISING,
"omap4-keypad", keypad_data);
error = request_threaded_irq(keypad_data->irq, omap4_keypad_irq_handler,
omap4_keypad_irq_thread_fn,
IRQF_TRIGGER_RISING,
"omap4-keypad", keypad_data);
if (error) {
dev_err(&pdev->dev, "failed to register interrupt\n");
goto err_free_input;