mmc: matsushita-common: Wait for command completion
Make sure to wait for the command to complete altogether, including
the trailing 8 clock cycles. This prevents the driver for accidentally
writing the CMD register too fast before the previous command fully
completed.
Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/drivers/mmc/matsushita-common.c b/drivers/mmc/matsushita-common.c
index e552a09..33224bb 100644
--- a/drivers/mmc/matsushita-common.c
+++ b/drivers/mmc/matsushita-common.c
@@ -498,6 +498,8 @@
return ret;
}
+ matsu_sd_wait_for_irq(dev, MATSU_SD_INFO2, MATSU_SD_INFO2_SCLKDIVEN);
+
return ret;
}