Hi Geert, > Subject: Re: [PATCH v3 2/3] media: vsp1: Add support to deassert/assert > reset line > > Hi Biju, > > On Fri, Mar 11, 2022 at 11:38 AM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > wrote: > > As the resets DT property is mandatory, and is present in all .dtsi in > > mainline, add support to perform deassert/assert using reference > > counted reset handle. > > > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > > Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx> > > --- > > v2->v3: > > * Added Rb tag from Philipp > > * If reset_control_deassert() failed, return ret directly. > > Thanks for the update! > > > --- a/drivers/media/platform/vsp1/vsp1_drv.c > > +++ b/drivers/media/platform/vsp1/vsp1_drv.c > > @@ -16,6 +16,7 @@ > > #include <linux/of_device.h> > > #include <linux/platform_device.h> > > #include <linux/pm_runtime.h> > > +#include <linux/reset.h> > > #include <linux/videodev2.h> > > > > #include <media/rcar-fcp.h> > > @@ -569,6 +570,11 @@ static void vsp1_mask_all_interrupts(struct > vsp1_device *vsp1) > > */ > > int vsp1_device_get(struct vsp1_device *vsp1) { > > + int ret = reset_control_deassert(vsp1->rstc); > > + > > + if (ret < 0) > > + return ret; > > + > > return pm_runtime_resume_and_get(vsp1->dev); > > You've removed too much :-( My Bad. Will restore error checking related to pm_runtime_resume_and_get. Cheers, Biju > If pm_runtime_resume_and_get() fails, so still need to assert the reset > again. > > The rest LGTM. > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux- > m68k.org > > In personal conversations with technical people, I call myself a hacker. > But when I'm talking to journalists I just say "programmer" or something > like that. > -- Linus Torvalds