drm/bridge: ti-sn65dsi86: Simplify refclk handling

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The clock framework makes it simple to deal with an optional clock.
You can call clk_get_optional() and if the clock isn't specified it'll
just return NULL without complaint. It's valid to pass NULL to
enable/disable/prepare/unprepare. Let's make use of this to simplify
things a tiny bit.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210416153909.v4.2.Ic9c04f960190faad5290738b2a35d73661862735@changeid

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Douglas Anderson 2021-04-16 15:39:25 -07:00

parent bab5cca7e6

commit acf3aca5ca

1 changed files with 3 additions and 8 deletions

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drivers/gpu/drm/bridge/ti-sn65dsi86.c

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