On Mon, Mar 4, 2019 at 4:20 AM Laurent Pinchart
<laurent.pinch...@ideasonboard.com> wrote:
>
> Hello,
>
> On Mon, Mar 04, 2019 at 10:42:20AM +0100, Andrzej Hajda wrote:
> > On 26.02.2019 20:36, Andrey Smirnov wrote:
> > > Drop the use of tc_write() as well as "magicly" used "ret" and "err:"
> > > and replace it with a simple call to regmap_write(). No functional
> > > change intended.
> > >
> > > Signed-off-by: Andrey Smirnov <andrew.smir...@gmail.com>
> > > Cc: Archit Taneja <arch...@codeaurora.org>
> > > Cc: Andrzej Hajda <a.ha...@samsung.com>
> > > Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
> > > Cc: Chris Healy <cphe...@gmail.com>
> > > Cc: Lucas Stach <l.st...@pengutronix.de>
> > > Cc: dri-devel@lists.freedesktop.org
> > > Cc: linux-ker...@vger.kernel.org
> > > ---
> > > drivers/gpu/drm/bridge/tc358767.c | 7 +------
> > > 1 file changed, 1 insertion(+), 6 deletions(-)
> > >
> > > diff --git a/drivers/gpu/drm/bridge/tc358767.c
> > > b/drivers/gpu/drm/bridge/tc358767.c
> > > index b0f8264a1285..86ebd49194b7 100644
> > > --- a/drivers/gpu/drm/bridge/tc358767.c
> > > +++ b/drivers/gpu/drm/bridge/tc358767.c
> > > @@ -504,7 +504,6 @@ static int tc_pxl_pll_dis(struct tc_data *tc)
> > >
> > > static int tc_stream_clock_calc(struct tc_data *tc)
> > > {
> > > - int ret;
> > > /*
> > > * If the Stream clock and Link Symbol clock are
> > > * asynchronous with each other, the value of M changes over
> > > @@ -520,11 +519,7 @@ static int tc_stream_clock_calc(struct tc_data *tc)
> > > * M/N = f_STRMCLK / f_LSCLK
> > > *
> > > */
> > > - tc_write(DP0_VIDMNGEN1, 32768);
> > > -
> > > - return 0;
> > > -err:
> > > - return ret;
> > > + return regmap_write(tc->regmap, DP0_VIDMNGEN1, 32768);
> >
> >
> > The patch looks semantically correct, but you are dropping here custom
> > accessor (tc_write) in favor of regmap API.
> >
> > I think the best would be consistent across the whole driver: either use
> > only accessors, either drop them entirely and use regmap API.
>
> I agree with this. The tc_write macro with its goto err is pretty nasty,
> and I'd like to see it removed from the whole driver, or at least
> replaced with an accessor that wouldn't hide the goto.
>
> > And it would be good to have comment of the original authors about this
> > change.
> >
OK, I'll create a patch to remove tc_write/read in v2 and add original
authors to CC.
Thanks,
Andrey Smirnov
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