[PATCH 1/4] mmc: core: Return from mmc_set_clock if hz is already set to ios.clock

Ritesh Harjani
2016-12-20T05:53:16Z

Signed-off-by: Ritesh Harjani <riteshh@codeaurora.org>
---
drivers/mmc/core/core.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 543eadd..125f8a9 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1139,6 +1139,9 @@ void mmc_set_clock(struct mmc_host *host, unsigned int hz)
if (hz > host->f_max)
hz = host->f_max;

+ if (hz == host->ios.clock)
+ return;
+
host->ios.clock = hz;
mmc_set_ios(host);
}
--
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