Re: [PATCH v3 1/7] Input: matrix_keypad - use fsleep for variable delay duration
flat view
From: Thomas Weißschuh <hidden>
Date: 2025-01-07 19:34:00
Also in:
linux-devicetree, lkml
On 2025-01-07 14:56:53+0100, Markus Burri wrote:
The delay is retrieved from a device-tree property, so the duration is variable. fsleep guesses the best delay function based on duration. Link: https://www.kernel.org/doc/html/latest/timers/timers-howto.html
timers-howto.rst was removed in commit 1f455f601e20
("timers/Documentation: Cleanup delay/sleep documentation").
Also inside the kernel tree refer to documentation files by their location
inside the tree instead of the website.
quoted hunk ↗ jump to hunk
Signed-off-by: Markus Burri <redacted> --- drivers/input/keyboard/matrix_keypad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/drivers/input/keyboard/matrix_keypad.c b/drivers/input/keyboard/matrix_keypad.c index 2a3b3bf..5571d2e 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c@@ -68,7 +68,7 @@ static void activate_col(struct matrix_keypad *keypad, int col, bool on) __activate_col(keypad, col, on); if (on && keypad->col_scan_delay_us) - udelay(keypad->col_scan_delay_us); + fsleep(keypad->col_scan_delay_us); } static void activate_all_cols(struct matrix_keypad *keypad, bool on)-- 2.39.5