diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/tmio_mmc_pio.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index 69772ab3ca2..e35e17992e3 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -747,19 +747,18 @@ static void tmio_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) tmio_mmc_set_clock(host, ios->clock); /* Power sequence - OFF -> UP -> ON */ - switch (ios->power_mode) { - case MMC_POWER_OFF: /* power down SD bus */ - if (host->set_pwr) + if (ios->power_mode == MMC_POWER_OFF || !ios->clock) { + /* power down SD bus */ + if (ios->power_mode == MMC_POWER_OFF && host->set_pwr) host->set_pwr(host->pdev, 0); tmio_mmc_clk_stop(host); - break; - case MMC_POWER_ON: /* start bus clock */ - tmio_mmc_clk_start(host); - break; - case MMC_POWER_UP: /* power up SD bus */ + } else if (ios->power_mode == MMC_POWER_UP) { + /* power up SD bus */ if (host->set_pwr) host->set_pwr(host->pdev, 1); - break; + } else { + /* start bus clock */ + tmio_mmc_clk_start(host); } switch (ios->bus_width) { |