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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>
This commit is contained in:
Guennadi Liakhovetski 2011-03-09 14:38:58 +01:00 committed by Chris Ball
parent d9b0342177
commit a7edbe399b
1 changed files with 5 additions and 5 deletions
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10
drivers/mmc/host/tmio_mmc_pio.c
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@ -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) {