diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index fc7cb489bdb..c814220d214 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1149,6 +1149,8 @@ static int sdhci_get_ro(struct mmc_host *mmc) spin_unlock_irqrestore(&host->lock, flags); + if (host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT) + return !!(present & SDHCI_WRITE_PROTECT); return !(present & SDHCI_WRITE_PROTECT); } diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 968d713950f..6980f2725b8 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -216,6 +216,8 @@ struct sdhci_host { #define SDHCI_QUIRK_NO_BUSY_IRQ (1<<14) /* Controller has unreliable card detection */ #define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15) +/* Controller reports inverted write-protect state */ +#define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16) int irq; /* Device IRQ */ void __iomem * ioaddr; /* Mapped address */ |