[PATCH 10/19] drm/sun4i: hdmi: Rename internal DDC clock to avoid name collision

[Maxime Ripard]

On Sat, Jun 03, 2017 at 10:33:25PM +0800, Chen-Yu Tsai wrote:
> On Sat, Jun 3, 2017 at 3:30 AM, Maxime Ripard
> <maxime.ripard at free-electrons.com> wrote:
> > On Fri, Jun 02, 2017 at 06:10:15PM +0800, Chen-Yu Tsai wrote:
> >> The DDC parent clock on the A31 SoC is also conveniently named
> >> "hdmi-ddc", which results in a name collision when the hdmi driver
> >> registers its internal DDC divider clock.
> >>
> >> Rename the internal clock to "hdmi-ddc-divider".
> >>
> >> Signed-off-by: Chen-Yu Tsai <wens at csie.org>
> >> ---
> >>  drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c | 2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> >>
> >> diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
> >> index e1071838f487..9a6b6243e977 100644
> >> --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
> >> +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
> >> @@ -125,7 +125,7 @@ static int _sun4i_ddc_create(struct sun4i_hdmi *hdmi, struct clk *parent,
> >>       if (!ddc)
> >>               return -ENOMEM;
> >>
> >> -     init.name = "hdmi-ddc";
> >> +     init.name = "hdmi-ddc-divider";
> >
> > Can't we rename the CCU clock instead? Having the clock called
> > hdmi-ddc being the actual clock output on the DDC bus feels more
> > natural.
> 
> Do you have any suggestions? The manual labels the conflicting one
> in the CCU as "HDMI_DDC"...

DDC as the main CCU clock, and hdmi-ddc as the one actually generated
by the HDMI controller?

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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