diff options
Diffstat (limited to 'drivers/mmc')
-rw-r--r-- | drivers/mmc/host/omap_hsmmc.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 6e44025acf01..29a63d2839ec 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c | |||
@@ -161,6 +161,7 @@ struct omap_hsmmc_host { | |||
161 | */ | 161 | */ |
162 | struct regulator *vcc; | 162 | struct regulator *vcc; |
163 | struct regulator *vcc_aux; | 163 | struct regulator *vcc_aux; |
164 | int pbias_disable; | ||
164 | void __iomem *base; | 165 | void __iomem *base; |
165 | resource_size_t mapbase; | 166 | resource_size_t mapbase; |
166 | spinlock_t irq_lock; /* Prevent races with irq handler */ | 167 | spinlock_t irq_lock; /* Prevent races with irq handler */ |
@@ -255,11 +256,11 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on, | |||
255 | if (!host->vcc) | 256 | if (!host->vcc) |
256 | return 0; | 257 | return 0; |
257 | /* | 258 | /* |
258 | * With DT, never turn OFF the regulator. This is because | 259 | * With DT, never turn OFF the regulator for MMC1. This is because |
259 | * the pbias cell programming support is still missing when | 260 | * the pbias cell programming support is still missing when |
260 | * booting with Device tree | 261 | * booting with Device tree |
261 | */ | 262 | */ |
262 | if (dev->of_node && !vdd) | 263 | if (host->pbias_disable && !vdd) |
263 | return 0; | 264 | return 0; |
264 | 265 | ||
265 | if (mmc_slot(host).before_set_reg) | 266 | if (mmc_slot(host).before_set_reg) |
@@ -1520,10 +1521,10 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) | |||
1520 | (ios->vdd == DUAL_VOLT_OCR_BIT) && | 1521 | (ios->vdd == DUAL_VOLT_OCR_BIT) && |
1521 | /* | 1522 | /* |
1522 | * With pbias cell programming missing, this | 1523 | * With pbias cell programming missing, this |
1523 | * can't be allowed when booting with device | 1524 | * can't be allowed on MMC1 when booting with device |
1524 | * tree. | 1525 | * tree. |
1525 | */ | 1526 | */ |
1526 | !host->dev->of_node) { | 1527 | !host->pbias_disable) { |
1527 | /* | 1528 | /* |
1528 | * The mmc_select_voltage fn of the core does | 1529 | * The mmc_select_voltage fn of the core does |
1529 | * not seem to set the power_mode to | 1530 | * not seem to set the power_mode to |
@@ -1871,6 +1872,10 @@ static int omap_hsmmc_probe(struct platform_device *pdev) | |||
1871 | 1872 | ||
1872 | omap_hsmmc_context_save(host); | 1873 | omap_hsmmc_context_save(host); |
1873 | 1874 | ||
1875 | /* This can be removed once we support PBIAS with DT */ | ||
1876 | if (host->dev->of_node && host->mapbase == 0x4809c000) | ||
1877 | host->pbias_disable = 1; | ||
1878 | |||
1874 | host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck"); | 1879 | host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck"); |
1875 | /* | 1880 | /* |
1876 | * MMC can still work without debounce clock. | 1881 | * MMC can still work without debounce clock. |