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Message-Id: <20241031063004.69956-3-markus.burri@mt.com> Date: Thu, 31 Oct 2024 07:30:00 +0100 From: Markus Burri <markus.burri@...com> To: linux-kernel@...r.kernel.org Cc: Markus Burri <markus.burri@...com>, Dmitry Torokhov <dmitry.torokhov@...il.com>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, linux-input@...r.kernel.org, devicetree@...r.kernel.org, Manuel Traut <manuel.traut@...com>, HeDong Zhao <hedong.zhao@...com> Subject: [PATCH 2/6] Input: matrix_keypad - use fsleep for variable delay duration 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 Signed-off-by: Markus Burri <markus.burri@...com> Reviewed-by: Manuel Traut <manuel.traut@...com> Tested-by: HeDong Zhao <hedong.zhao@...com> --- 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 a2ec9f6..e08d7d5 100644 --- a/drivers/input/keyboard/matrix_keypad.c +++ b/drivers/input/keyboard/matrix_keypad.c @@ -69,7 +69,7 @@ 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
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