There is no need to flip reset pin twice. Also delays can be changed to values present in vendor's code. Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> --- drivers/gpu/drm/bridge/sil-sii8620.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index db93e5e0497c..7c46847fef18 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -980,13 +980,9 @@ static void sii8620_hw_reset(struct sii8620 *ctx) { struct i2c_client *i2c = to_i2c_client(ctx->dev); - usleep_range(10000, 20000); - gpiod_set_value(ctx->gpio_reset, 0); - usleep_range(5000, 20000); - gpiod_set_value(ctx->gpio_reset, 1); - usleep_range(10000, 20000); + msleep(100); gpiod_set_value(ctx->gpio_reset, 0); - msleep(300); + msleep(100); /* I2C bus recovery prevents I2C errors due to known bug in the chip */ i2c_recover_bus(i2c->adapter); -- 2.15.1 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html