diff options
Diffstat (limited to 'drivers/mmc/host/sdhci-of-aspeed.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-aspeed.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-aspeed.c b/drivers/mmc/host/sdhci-of-aspeed.c index 8962f6664381..56912e30c47e 100644 --- a/drivers/mmc/host/sdhci-of-aspeed.c +++ b/drivers/mmc/host/sdhci-of-aspeed.c @@ -111,7 +111,19 @@ static void aspeed_sdhci_set_bus_width(struct sdhci_host *host, int width) sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); } +static u32 aspeed_sdhci_readl(struct sdhci_host *host, int reg) +{ + u32 val = readl(host->ioaddr + reg); + + if (unlikely(reg == SDHCI_PRESENT_STATE) && + (host->mmc->caps2 & MMC_CAP2_CD_ACTIVE_HIGH)) + val ^= SDHCI_CARD_PRESENT; + + return val; +} + static const struct sdhci_ops aspeed_sdhci_ops = { + .read_l = aspeed_sdhci_readl, .set_clock = aspeed_sdhci_set_clock, .get_max_clock = aspeed_sdhci_get_max_clock, .set_bus_width = aspeed_sdhci_set_bus_width, |