diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index e0808d4a7681..47adb161d3ad 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -244,6 +244,13 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on, */ if (!host->vcc) return 0; + /* + * With DT, never turn OFF the regulator. This is because + * the pbias cell programming support is still missing when + * booting with Device tree + */ + if (of_have_populated_dt() && !vdd) + return 0; if (mmc_slot(host).before_set_reg) mmc_slot(host).before_set_reg(dev, slot, power_on, vdd); @@ -1536,7 +1543,13 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) * of external transceiver; but they all handle 1.8V. */ if ((OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET) && - (ios->vdd == DUAL_VOLT_OCR_BIT)) { + (ios->vdd == DUAL_VOLT_OCR_BIT) && + /* + * With pbias cell programming missing, this + * can't be allowed when booting with device + * tree. + */ + (!of_have_populated_dt())) { /* * The mmc_select_voltage fn of the core does * not seem to set the power_mode to |