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[09/10,v2,resend] mmc: tmio: ensure that the clock has been stopped before set_clock

Message ID 87siko6hne.wl%kuninori.morimoto.gx@gmail.com (mailing list archive)
State Changes Requested
Headers show

Commit Message

Kuninori Morimoto Aug. 22, 2014, 8:41 a.m. UTC 
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

This patch ensures that the clock has been stopped before
it calls tmio_mmc_set_clock().
The clock settings might be failed without this patch

Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 drivers/mmc/host/tmio_mmc_pio.c |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index da3c74d..1c5a631 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -895,6 +895,7 @@  static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 		}
 		if (host->power == TMIO_MMC_OFF_STOP)
 			tmio_mmc_reset(host);
+		tmio_mmc_clk_stop(host);
 		tmio_mmc_set_clock(host, ios->clock);
 		if (host->power == TMIO_MMC_OFF_STOP)
 			/* power up SD card and the bus */