This is an automatic generated email to let you know that the following patch were queued: Subject: media: marvell-ccic: power up the device on mclk enable Author: Lubomir Rintel <lkundrak@xxxxx> Date: Wed Jan 27 19:01:43 2021 +0100 Writing to REG_CLKCTRL with the power off causes a hang. Enable the device first. Cc: stable@xxxxxxxxxxxxxxx # 5.10+ Signed-off-by: Lubomir Rintel <lkundrak@xxxxx> Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> drivers/media/platform/marvell-ccic/mcam-core.c | 2 ++ 1 file changed, 2 insertions(+) --- diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c index 153277e4fe80..141bf5d97a04 100644 --- a/drivers/media/platform/marvell-ccic/mcam-core.c +++ b/drivers/media/platform/marvell-ccic/mcam-core.c @@ -931,6 +931,7 @@ static int mclk_enable(struct clk_hw *hw) mclk_div = 2; } + pm_runtime_get_sync(cam->dev); clk_enable(cam->clk[0]); mcam_reg_write(cam, REG_CLKCTRL, (mclk_src << 29) | mclk_div); mcam_ctlr_power_up(cam); @@ -944,6 +945,7 @@ static void mclk_disable(struct clk_hw *hw) mcam_ctlr_power_down(cam); clk_disable(cam->clk[0]); + pm_runtime_put(cam->dev); } static unsigned long mclk_recalc_rate(struct clk_hw *hw,
