drm/bridge/synopsys: dsi: readl_poll_timeout return value clean up

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The readl_poll_timeout() return value is 0 in case of success
so it is better to detect errors without taking care of the
return value sign.

Signed-off-by: Philippe Cornu <philippe.cornu@st.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180204213624.18288-1-philippe.cornu@st.com

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Philippe CORNU 2018-02-04 22:36:24 +01:00 • committed by Andrzej Hajda

parent 5fcdc9d981

commit 669b710e5e

1 changed files with 5 additions and 5 deletions

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drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c

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