diff options
| author | Lothar Waßmann <LW@KARO-electronics.de> | 2014-09-09 21:41:16 (GMT) |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-09-09 23:52:19 (GMT) |
| commit | 24e4d21c4252fb6d5a7e75d1e1ee47c2ce38ae99 (patch) | |
| tree | 1b281a5b28beb56accab974dc81ed334f86d71d9 /drivers/input | |
| parent | 651b4608811796ee6ddea5ce33e8db7ef6ea42b1 (diff) | |
| download | linux-24e4d21c4252fb6d5a7e75d1e1ee47c2ce38ae99.tar.xz | |
Input: matrix_keypad - use request_any_context_irq()
When trying to use the matrix-keypad driver with GPIO drivers that
require nested irq handlers (e.g. I2C GPIO adapters like PCA9554),
request_irq() fails because the GPIO driver requires a threaded
interrupt handler.
Use request_any_context_irq() to be able to use any GPIO driver as
keypad driver.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/keyboard/matrix_keypad.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 8d2e19e..e651fa6 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -332,23 +332,24 @@ static int matrix_keypad_init_gpio(struct platform_device *pdev, } if (pdata->clustered_irq > 0) { - err = request_irq(pdata->clustered_irq, + err = request_any_context_irq(pdata->clustered_irq, matrix_keypad_interrupt, pdata->clustered_irq_flags, "matrix-keypad", keypad); - if (err) { + if (err < 0) { dev_err(&pdev->dev, "Unable to acquire clustered interrupt\n"); goto err_free_rows; } } else { for (i = 0; i < pdata->num_row_gpios; i++) { - err = request_irq(gpio_to_irq(pdata->row_gpios[i]), + err = request_any_context_irq( + gpio_to_irq(pdata->row_gpios[i]), matrix_keypad_interrupt, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, "matrix-keypad", keypad); - if (err) { + if (err < 0) { dev_err(&pdev->dev, "Unable to acquire interrupt for GPIO line %i\n", pdata->row_gpios[i]); |