The ilitek-ili9881c controls the reset GPIO using the non-sleeping
gpiod_set_value() function. This complains loudly when the GPIO
controller needs to sleep. As the caller can sleep, use
gpiod_set_value_cansleep() to fix the issue.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
index 80b386f91320..084c37fa7348 100644
--- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
+++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c
@@ -1276,10 +1276,10 @@ static int ili9881c_prepare(struct drm_panel *panel)
msleep(5);
/* And reset it */
- gpiod_set_value(ctx->reset, 1);
+ gpiod_set_value_cansleep(ctx->reset, 1);
msleep(20);
- gpiod_set_value(ctx->reset, 0);
+ gpiod_set_value_cansleep(ctx->reset, 0);
msleep(20);
for (i = 0; i < ctx->desc->init_length; i++) {
@@ -1334,7 +1334,7 @@ static int ili9881c_unprepare(struct drm_panel *panel)
mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);
regulator_disable(ctx->power);
- gpiod_set_value(ctx->reset, 1);
+ gpiod_set_value_cansleep(ctx->reset, 1);
return 0;
}
--
Regards,
Laurent Pinchart
