diff options
Diffstat (limited to 'drivers/mmc/sunxi_mmc.c')
| -rw-r--r-- | drivers/mmc/sunxi_mmc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c index 7b33094d84..4a7dbed043 100644 --- a/drivers/mmc/sunxi_mmc.c +++ b/drivers/mmc/sunxi_mmc.c @@ -255,7 +255,12 @@ static int sunxi_mmc_core_init(struct mmc *mmc) /* Reset controller */ writel(SUNXI_MMC_GCTRL_RESET, &mmchost->reg->gctrl); + do { /* spin */ } while (readl(&mmchost->reg->gctrl) & SUNXI_MMC_GCTRL_RESET); + + /* Toggle RST output */ + writel(0, &mmchost->reg->hwrst); udelay(1000); + writel(1, &mmchost->reg->hwrst); return 0; } |