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 <pgynt...@google.com>
---
drivers/mmc/host/sdhci.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index c80287a..5d32a00 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1562,8 +1562,17 @@ 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 {
--
2.2.0.rc0.207.ga3a616c
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