Re: [PATCH v2] clk: qcom: clk-alpha-pll: Fix pll post div mask when width is not set

From: Dmitry Baryshkov
Date: Sun Oct 06 2024 - 13:19:01 EST


On Sat, Sep 28, 2024 at 07:05:39PM GMT, barnabas.czeman@xxxxxxxxxxxxxx wrote:
> On 2024-09-25 23:28, Dmitry Baryshkov wrote:
> > On Wed, Sep 25, 2024 at 08:33:20PM GMT, Barnabás Czémán wrote:
> > > Many qcom clock drivers do not have .width set. In that case value of
> > > (p)->width - 1 will be negative which breaks clock tree. Fix this
> > > by checking if width is zero, and pass 3 to GENMASK if that's the
> > > case.
> > >
> > > Fixes: 1c3541145cbf ("clk: qcom: support for 2 bit PLL post divider")
> > > Fixes: 2c4553e6c485 ("clk: qcom: clk-alpha-pll: Fix the pll post div
> > > mask")
> >
> > I think one Fixes tag should be enough.
> Should I send a v3 remove one of them or not needed?

Judging by the lack of the response, please resend, dropping the extra
tag.

> >
> > Nevertheless,
> >
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> >
> > > Signed-off-by: Barnabás Czémán <barnabas.czeman@xxxxxxxxxxxxxx>
> > > ---
> > > Changes in v2:
> > > - Pass 3 to GENMASK instead of 0.
> > > - Add more Fixes tag for reference root cause.
> > > - Link to v1: https://lore.kernel.org/r/20240925-fix-postdiv-mask-v1-1-f70ba55f415e@xxxxxxxxxxxxxx
> > > ---
> > > drivers/clk/qcom/clk-alpha-pll.c | 2 +-
> > > 1 file changed, 1 insertion(+), 1 deletion(-)

--
With best wishes
Dmitry