summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2024-08-05 03:47:04 +0200
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2024-09-06 06:43:42 +0200
commit5080f62adb126e28d316298505272efea0aed81a (patch)
tree982cd388a6db607924996ed2456a3c08a2394543
parentLinux 6.11-rc6 (diff)
downloadlinux-5080f62adb126e28d316298505272efea0aed81a.tar.xz
linux-5080f62adb126e28d316298505272efea0aed81a.zip
Input: matrix_keypad - remove support for clustered interrupt
There are no users of this functionality in the mainline kernel (it was only available to boards using platform data and not device tree). Remove it to simplify the code. Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20240805014710.1961677-2-dmitry.torokhov@gmail.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-rw-r--r--drivers/input/keyboard/matrix_keypad.c61
1 files changed, 22 insertions, 39 deletions
diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 7a56f3d3aacd..604e90d13ed0 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -29,7 +29,6 @@ struct matrix_keypad {
unsigned int row_shift;
unsigned int row_irqs[MATRIX_MAX_ROWS];
- unsigned int num_row_irqs;
DECLARE_BITMAP(wakeup_enabled_irqs, MATRIX_MAX_ROWS);
uint32_t last_key_state[MATRIX_MAX_COLS];
@@ -88,7 +87,7 @@ static void enable_row_irqs(struct matrix_keypad *keypad)
{
int i;
- for (i = 0; i < keypad->num_row_irqs; i++)
+ for (i = 0; i < keypad->pdata->num_row_gpios; i++)
enable_irq(keypad->row_irqs[i]);
}
@@ -96,7 +95,7 @@ static void disable_row_irqs(struct matrix_keypad *keypad)
{
int i;
- for (i = 0; i < keypad->num_row_irqs; i++)
+ for (i = 0; i < keypad->pdata->num_row_gpios; i++)
disable_irq_nosync(keypad->row_irqs[i]);
}
@@ -225,7 +224,8 @@ static void matrix_keypad_enable_wakeup(struct matrix_keypad *keypad)
{
int i;
- for_each_clear_bit(i, keypad->wakeup_enabled_irqs, keypad->num_row_irqs)
+ for_each_clear_bit(i, keypad->wakeup_enabled_irqs,
+ keypad->pdata->num_row_gpios)
if (enable_irq_wake(keypad->row_irqs[i]) == 0)
__set_bit(i, keypad->wakeup_enabled_irqs);
}
@@ -234,7 +234,8 @@ static void matrix_keypad_disable_wakeup(struct matrix_keypad *keypad)
{
int i;
- for_each_set_bit(i, keypad->wakeup_enabled_irqs, keypad->num_row_irqs) {
+ for_each_set_bit(i, keypad->wakeup_enabled_irqs,
+ keypad->pdata->num_row_gpios) {
disable_irq_wake(keypad->row_irqs[i]);
__clear_bit(i, keypad->wakeup_enabled_irqs);
}
@@ -302,48 +303,30 @@ static int matrix_keypad_init_gpio(struct platform_device *pdev,
gpio_direction_input(pdata->row_gpios[i]);
}
- if (pdata->clustered_irq > 0) {
+ for (i = 0; i < pdata->num_row_gpios; i++) {
+ irq = gpio_to_irq(pdata->row_gpios[i]);
+ if (irq < 0) {
+ err = irq;
+ dev_err(&pdev->dev,
+ "Unable to convert GPIO line %i to irq: %d\n",
+ pdata->row_gpios[i], err);
+ return err;
+ }
+
err = devm_request_any_context_irq(&pdev->dev,
- pdata->clustered_irq,
+ irq,
matrix_keypad_interrupt,
- pdata->clustered_irq_flags,
+ IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING,
"matrix-keypad", keypad);
if (err < 0) {
dev_err(&pdev->dev,
- "Unable to acquire clustered interrupt\n");
+ "Unable to acquire interrupt for GPIO line %i\n",
+ pdata->row_gpios[i]);
return err;
}
- keypad->row_irqs[0] = pdata->clustered_irq;
- keypad->num_row_irqs = 1;
- } else {
- for (i = 0; i < pdata->num_row_gpios; i++) {
- irq = gpio_to_irq(pdata->row_gpios[i]);
- if (irq < 0) {
- err = irq;
- dev_err(&pdev->dev,
- "Unable to convert GPIO line %i to irq: %d\n",
- pdata->row_gpios[i], err);
- return err;
- }
-
- err = devm_request_any_context_irq(&pdev->dev,
- irq,
- matrix_keypad_interrupt,
- IRQF_TRIGGER_RISING |
- IRQF_TRIGGER_FALLING,
- "matrix-keypad", keypad);
- if (err < 0) {
- dev_err(&pdev->dev,
- "Unable to acquire interrupt for GPIO line %i\n",
- pdata->row_gpios[i]);
- return err;
- }
-
- keypad->row_irqs[i] = irq;
- }
-
- keypad->num_row_irqs = pdata->num_row_gpios;
+ keypad->row_irqs[i] = irq;
}
/* initialized as disabled - enabled by input->open */