From 02e0cfa1a5d43db75f95db29af672947eed587ed Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Thu, 15 Apr 2021 17:30:35 +0100 Subject: [PATCH] drm/panel: jdi-lt070me05000: Use gpiod_set_value_cansleep There is no reason why the control GPIOs for the panel can not be connected to I2C or similar GPIO interfaces that may need to sleep, therefore switch from gpiod_set_value to gpiod_set_value_cansleep calls to configure them. Without that you get complaints from gpiolib every time the state is changed. Signed-off-by: Dave Stevenson --- drivers/gpu/drm/panel/panel-jdi-lt070me05000.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) --- a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c +++ b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c @@ -205,11 +205,11 @@ static int jdi_panel_unprepare(struct dr if (ret < 0) dev_err(dev, "regulator disable failed, %d\n", ret); - gpiod_set_value(jdi->enable_gpio, 0); + gpiod_set_value_cansleep(jdi->enable_gpio, 0); - gpiod_set_value(jdi->reset_gpio, 1); + gpiod_set_value_cansleep(jdi->reset_gpio, 1); - gpiod_set_value(jdi->dcdc_en_gpio, 0); + gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 0); jdi->prepared = false; @@ -233,13 +233,13 @@ static int jdi_panel_prepare(struct drm_ msleep(20); - gpiod_set_value(jdi->dcdc_en_gpio, 1); + gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 1); usleep_range(10, 20); - gpiod_set_value(jdi->reset_gpio, 0); + gpiod_set_value_cansleep(jdi->reset_gpio, 0); usleep_range(10, 20); - gpiod_set_value(jdi->enable_gpio, 1); + gpiod_set_value_cansleep(jdi->enable_gpio, 1); usleep_range(10, 20); ret = jdi_panel_init(jdi); @@ -263,11 +263,11 @@ poweroff: if (ret < 0) dev_err(dev, "regulator disable failed, %d\n", ret); - gpiod_set_value(jdi->enable_gpio, 0); + gpiod_set_value_cansleep(jdi->enable_gpio, 0); - gpiod_set_value(jdi->reset_gpio, 1); + gpiod_set_value_cansleep(jdi->reset_gpio, 1); - gpiod_set_value(jdi->dcdc_en_gpio, 0); + gpiod_set_value_cansleep(jdi->dcdc_en_gpio, 0); return ret; }