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mmc: sdhci: fix driver type B and D handling in sdhci_do_set_ios() 

sdhci_do_set_ios() doesn't currently program SDHCI_HOST_CONTROL2
register correctly when host->preset_enabled == false.

Add code to handle the missing cases MMC_SET_DRIVER_TYPE_B and
MMC_SET_DRIVER_TYPE_D.

Signed-off-by: Petri Gynther <pgynther@google.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Petri Gynther 2015-05-20 14:35:00 -07:00 committed by Ulf Hansson
parent d9fbe003ea
commit 43e943a040
1 changed files with 9 additions and 0 deletions
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9
drivers/mmc/host/sdhci.c
View File

@ -1514,8 +1514,17 @@ static void sdhci_do_set_ios(struct sdhci_host *host, struct mmc_ios *ios)
ctrl_2 &= ~SDHCI_CTRL_DRV_TYPE_MASK;
if (ios->drv_type == MMC_SET_DRIVER_TYPE_A)
ctrl_2 |= SDHCI_CTRL_DRV_TYPE_A;
else if (ios->drv_type == MMC_SET_DRIVER_TYPE_B)
ctrl_2 |= SDHCI_CTRL_DRV_TYPE_B;
else if (ios->drv_type == MMC_SET_DRIVER_TYPE_C)
ctrl_2 |= SDHCI_CTRL_DRV_TYPE_C;
else if (ios->drv_type == MMC_SET_DRIVER_TYPE_D)
ctrl_2 |= SDHCI_CTRL_DRV_TYPE_D;
else {
pr_warn("%s: invalid driver type, default to "
"driver type B\n", mmc_hostname(mmc));
ctrl_2 |= SDHCI_CTRL_DRV_TYPE_B;
}
sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2);
} else {