(EXT) Re: [PATCH 1/1] clk: imx8m: Do not set IMX_COMPOSITE_CORE for non-regular composites

Alexander Stein alexander.stein at ew.tq-group.com
Wed Nov 3 07:33:09 PDT 2021


Am Mittwoch, dem 03.11.2021 um 09:25 -0500 schrieb Adam Ford:
> On Wed, Nov 3, 2021 at 7:41 AM Alexander Stein
> <
> alexander.stein at ew.tq-group.com
> > wrote:
> > Only imx8m_clk_hw_composite_core needs to set this flag.
> > 
> > Fixes: a60fe746df94 ("clk: imx: Rework all imx_clk_hw_composite
> > wrappers")
> > Signed-off-by: Alexander Stein <
> > alexander.stein at ew.tq-group.com
> > >
> > ---
> > This is from clk_summary on a imx8mq custom board where you can
> > clearly
> > see the before the divider is limited to 8 (core composite)
> > 
> > before:
> > video_pll1_out        2        2        0  1031999997          0   
> >   0  50000         Y
> >    dsi_phy_ref        1        1        0   129000000          0   
> >   0  50000         Y
> >    lcdif_pixel        2        2        0   129000000          0   
> >   0  50000         Y
> > 
> > after:
> > video_pll1_out        2        2        0  1031999997          0   
> >   0  50000         Y
> >    dsi_phy_ref        1        1        0    24000000          0   
> >   0  50000         Y
> >    lcdif_pixel        2        2        0    68800000          0   
> >   0  50000         Y
> > 
> >  drivers/clk/imx/clk.h | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
> 
> I attempted to apply this against linux/master and it doesn't apply.
> What branch did you use?

The referenced commit a60fe746df94 is not in Linus' tree yet, but in
linux-next. My patch is based on linux-next/next-20211101. Sorry missed
to mention that.

Best regards,
Alexander

> > > 
> > index 819949973db1..7d220a01de1f 100644
> > --- a/drivers/clk/imx/clk.h
> > +++ b/drivers/clk/imx/clk.h
> > @@ -391,11 +391,11 @@ struct clk_hw *__imx8m_clk_hw_composite(const
> > char *name,
> > 
> >  #define imx8m_clk_hw_composite(name, parent_names, reg) \
> >         _imx8m_clk_hw_composite(name, parent_names, reg, \
> > -                       IMX_COMPOSITE_CORE,
> > IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
> > +                       0, IMX_COMPOSITE_CLK_FLAGS_DEFAULT)
> > 
> >  #define imx8m_clk_hw_composite_critical(name, parent_names, reg) \
> >         _imx8m_clk_hw_composite(name, parent_names, reg, \
> > -                       IMX_COMPOSITE_CORE,
> > IMX_COMPOSITE_CLK_FLAGS_CRITICAL)
> > +                       0, IMX_COMPOSITE_CLK_FLAGS_CRITICAL)
> > 
> >  #define imx8m_clk_hw_composite_bus(name, parent_names, reg)    \
> >         _imx8m_clk_hw_composite(name, parent_names, reg, \
> > --
> > 2.25.1
> > 





More information about the linux-arm-kernel mailing list