Input: matrix_keypad - remove support for platform data

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

Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20240805014710.1961677-6-dmitry.torokhov@gmail.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dmitry Torokhov 2024-08-04 18:47:08 -07:00
parent 1b05a70137
commit de35996d4b
2 changed files with 3 additions and 119 deletions

View File

@ -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);

View File

@ -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 */