[PATCH 5/5] Input: matrix_keypad - remove support for platform data

Dmitry Torokhov
2024-08-05T01:47:28Z

There are no more users of struct matrix_keypad_platform_data in the
kernel, remove support for it from the driver.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---
drivers/input/keyboard/matrix_keypad.c | 74 ++------------------------
include/linux/input/matrix_keypad.h | 48 -----------------
2 files changed, 3 insertions(+), 119 deletions(-)

diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c
index 5f7e6f27e9c5..3c38bae576ed 100644
--- a/drivers/input/keyboard/matrix_keypad.c
+++ b/drivers/input/keyboard/matrix_keypad.c
@@ -271,55 +271,6 @@ static int matrix_keypad_resume(struct device *dev)
static DEFINE_SIMPLE_DEV_PM_OPS(matrix_keypad_pm_ops,
matrix_keypad_suspend, matrix_keypad_resume);

-static int matrix_keypad_init_pdata_gpio(struct platform_device *pdev,
- const struct matrix_keypad_platform_data *pdata,
- struct matrix_keypad *keypad)
-{
- int i, err;
-
- keypad->num_col_gpios = pdata->num_col_gpios;
- keypad->num_row_gpios = pdata->num_row_gpios;
-
- /* initialized strobe lines as outputs, activated */
- for (i = 0; i < pdata->num_col_gpios; i++) {
- err = devm_gpio_request(&pdev->dev,
- pdata->col_gpios[i], "matrix_kbd_col");
- if (err) {
- dev_err(&pdev->dev,
- "failed to request GPIO%d for COL%d\n",
- pdata->col_gpios[i], i);
- return err;
- }
-
- keypad->col_gpios[i] = gpio_to_desc(pdata->col_gpios[i]);
-
- if (pdata->active_low ^ gpiod_is_active_low(keypad->col_gpios[i]))
- gpiod_toggle_active_low(keypad->col_gpios[i]);
-
- gpiod_direction_output(keypad->col_gpios[i], 1);
- }
-
- for (i = 0; i < pdata->num_row_gpios; i++) {
- err = devm_gpio_request(&pdev->dev,
- pdata->row_gpios[i], "matrix_kbd_row");
- if (err) {
- dev_err(&pdev->dev,
- "failed to request GPIO%d for ROW%d\n",
- pdata->row_gpios[i], i);
- return err;
- }
-
- keypad->row_gpios[i] = gpio_to_desc(pdata->row_gpios[i]);
-
- if (pdata->active_low ^ gpiod_is_active_low(keypad->row_gpios[i]))
- gpiod_toggle_active_low(keypad->row_gpios[i]);
-
- gpiod_direction_input(keypad->row_gpios[i]);
- }
-
- return 0;
-}
-
static int matrix_keypad_init_gpio(struct platform_device *pdev,
struct matrix_keypad *keypad)
{
@@ -420,11 +371,8 @@ static int matrix_keypad_setup_interrupts(struct platform_device *pdev,

static int matrix_keypad_probe(struct platform_device *pdev)
{
- const struct matrix_keypad_platform_data *pdata =
- dev_get_platdata(&pdev->dev);
struct matrix_keypad *keypad;
struct input_dev *input_dev;
- bool autorepeat;
bool wakeup;
int err;

@@ -448,16 +396,7 @@ static int matrix_keypad_probe(struct platform_device *pdev)
device_property_read_u32(&pdev->dev, "col-scan-delay-us",
&keypad->col_scan_delay_us);

- if (pdata) {
- keypad->col_scan_delay_us = pdata->col_scan_delay_us;
- keypad->debounce_ms = pdata->debounce_ms;
- keypad->drive_inactive_cols = pdata->drive_inactive_cols;
- }
-
- if (pdata)
- err = matrix_keypad_init_pdata_gpio(pdev, pdata, keypad);
- else
- err = matrix_keypad_init_gpio(pdev, keypad);
+ err = matrix_keypad_init_gpio(pdev, keypad);
if (err)
return err;

@@ -472,8 +411,7 @@ static int matrix_keypad_probe(struct platform_device *pdev)
input_dev->open = matrix_keypad_start;
input_dev->close = matrix_keypad_stop;

- err = matrix_keypad_build_keymap(pdata ? pdata->keymap_data : NULL,
- NULL,
+ err = matrix_keypad_build_keymap(NULL, NULL,
keypad->num_row_gpios,
keypad->num_col_gpios,
NULL, input_dev);
@@ -482,11 +420,7 @@ static int matrix_keypad_probe(struct platform_device *pdev)
return -ENOMEM;
}

- autorepeat = !device_property_read_bool(&pdev->dev,
- "linux,no-autorepeat");
- if (autorepeat && pdata->no_autorepeat)
- autorepeat = false;
- if (autorepeat)
+ if (!device_property_read_bool(&pdev->dev, "linux,no-autorepeat"))
__set_bit(EV_REP, input_dev->evbit);

input_set_capability(input_dev, EV_MSC, MSC_SCAN);
@@ -499,8 +433,6 @@ static int matrix_keypad_probe(struct platform_device *pdev)
wakeup = device_property_read_bool(&pdev->dev, "wakeup-source") ||
/* legacy */
device_property_read_bool(&pdev->dev, "linux,wakeup");
- if (!wakeup && pdata)
- wakeup = pdata->wakeup;
device_init_wakeup(&pdev->dev, wakeup);

platform_set_drvdata(pdev, keypad);
diff --git a/include/linux/input/matrix_keypad.h b/include/linux/input/matrix_keypad.h
index b8d8d69eba29..90867f44ab4d 100644
--- a/include/linux/input/matrix_keypad.h
+++ b/include/linux/input/matrix_keypad.h
@@ -34,52 +34,6 @@ struct matrix_keymap_data {
unsigned int keymap_size;
};

-/**
- * struct matrix_keypad_platform_data - platform-dependent keypad data
- * @keymap_data: pointer to &matrix_keymap_data
- * @row_gpios: pointer to array of gpio numbers representing rows
- * @col_gpios: pointer to array of gpio numbers reporesenting colums
- * @num_row_gpios: actual number of row gpios used by device
- * @num_col_gpios: actual number of col gpios used by device
- * @col_scan_delay_us: delay, measured in microseconds, that is
- * needed before we can keypad after activating column gpio
- * @debounce_ms: debounce interval in milliseconds
- * @clustered_irq: may be specified if interrupts of all row/column GPIOs
- * are bundled to one single irq
- * @clustered_irq_flags: flags that are needed for the clustered irq
- * @active_low: gpio polarity
- * @wakeup: controls whether the device should be set up as wakeup
- * source
- * @no_autorepeat: disable key autorepeat
- * @drive_inactive_cols: drive inactive columns during scan, rather than
- * making them inputs.
- *
- * This structure represents platform-specific data that use used by
- * matrix_keypad driver to perform proper initialization.
- */
-struct matrix_keypad_platform_data {
- const struct matrix_keymap_data *keymap_data;
-
- const unsigned int *row_gpios;
- const unsigned int *col_gpios;
-
- unsigned int num_row_gpios;
- unsigned int num_col_gpios;
-
- unsigned int col_scan_delay_us;
-
- /* key debounce interval in milli-second */
- unsigned int debounce_ms;
-
- unsigned int clustered_irq;
- unsigned int clustered_irq_flags;
-
- bool active_low;
- bool wakeup;
- bool no_autorepeat;
- bool drive_inactive_cols;
-};
-
int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
const char *keymap_name,
unsigned int rows, unsigned int cols,
@@ -88,6 +42,4 @@ int matrix_keypad_build_keymap(const struct matrix_keymap_data *keymap_data,
int matrix_keypad_parse_properties(struct device *dev,
unsigned int *rows, unsigned int *cols);

-#define matrix_keypad_parse_of_params matrix_keypad_parse_properties
-
#endif /* _MATRIX_KEYPAD_H */
--
2.46.0.rc2.264.g509ed76dc8-goog