From a7edbe399b40fb82ccd11216fd88d24e428025c5 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 9 Mar 2011 14:38:58 +0100
Subject: [PATCH] mmc: tmio: fix power-mode interpretation
The power-mode sequence on MMC is MMC_POWER_OFF -> MMC_POWER_UP ->
MMC_POWER_ON and not MMC_POWER_ON -> MMC_POWER_UP, as the driver currently
is implying.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
---
drivers/mmc/host/tmio_mmc_pio.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index e1aed2555126..69772ab3ca22 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -746,20 +746,20 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (ios->clock)
tmio_mmc_set_clock(host, ios->clock);
- /* Power sequence - OFF -> ON -> UP */
+ /* Power sequence - OFF -> UP -> ON */
switch (ios->power_mode) {
case MMC_POWER_OFF: /* power down SD bus */
if (host->set_pwr)
host->set_pwr(host->pdev, 0);
tmio_mmc_clk_stop(host);
break;
- case MMC_POWER_ON: /* power up SD bus */
+ case MMC_POWER_ON: /* start bus clock */
+ tmio_mmc_clk_start(host);
+ break;
+ case MMC_POWER_UP: /* power up SD bus */
if (host->set_pwr)
host->set_pwr(host->pdev, 1);
break;
- case MMC_POWER_UP: /* start bus clock */
- tmio_mmc_clk_start(host);
- break;
}
switch (ios->bus_width) {
--
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