drm/mediatek: fix a timeout loop

This code causes a static checker warning because it treats "i == 0" as
a timeout but, because it's a post-op, the loop actually ends with "i"
set to -1.  Philipp Zabel points out that it would be cleaner to use
readl_poll_timeout() instead.

Fixes: 21898816831f ("drm/mediatek: add dsi transfer function")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: CK Hu <[email protected]>
Reviewed-by: Philipp Zabel <[email protected]>

0 files changed, 0 insertions, 0 deletions