mmc: dw_mmc: eliminate useless usage of ret
In few places usage of ret variable is not needed. This patch simplifies those pieces of code. Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: NSeungwon Jeon <tgih.jun@samsung.com> Signed-off-by: NChris Ball <cjb@laptop.org>
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