Hi Mauro, Thanks a lot for taking care of this. On Wed, 2021-04-28 at 16:52 +0200, Mauro Carvalho Chehab wrote: > The device_run() first enables the clock and then > tries to resume PM runtime, checking for errors. > > Well, if for some reason the pm_runtime can not resume, > it would be better to detect it beforehand. > > So, change the order inside device_run(). > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> Clocks could be behind power-domains, IIRC, so this change is fixing that. However, this has ever been a problem for this driver, so I don't think it makes sense to bother with Fixes tag. Reviewed-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> Thanks, Ezequiel > --- > drivers/staging/media/hantro/hantro_drv.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/staging/media/hantro/hantro_drv.c b/drivers/staging/media/hantro/hantro_drv.c > index 25fa36e7e773..67de6b15236d 100644 > --- a/drivers/staging/media/hantro/hantro_drv.c > +++ b/drivers/staging/media/hantro/hantro_drv.c > @@ -160,14 +160,14 @@ static void device_run(void *priv) > src = hantro_get_src_buf(ctx); > dst = hantro_get_dst_buf(ctx); > > - ret = clk_bulk_enable(ctx->dev->variant->num_clocks, ctx->dev->clocks); > - if (ret) > - goto err_cancel_job; > - > ret = pm_runtime_resume_and_get(ctx->dev->dev); > if (ret < 0) > goto err_cancel_job; > > + ret = clk_bulk_enable(ctx->dev->variant->num_clocks, ctx->dev->clocks); > + if (ret) > + goto err_cancel_job; > + > v4l2_m2m_buf_copy_metadata(src, dst, true); > > ctx->codec_ops->run(ctx);
