diff options
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 15 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 1 |
2 files changed, 10 insertions, 6 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9cb60bac195..782c0ee3c92 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1223,22 +1223,25 @@ static int sdhci_get_ro(struct mmc_host *mmc) { struct sdhci_host *host; unsigned long flags; - int present; + int is_readonly; host = mmc_priv(mmc); spin_lock_irqsave(&host->lock, flags); if (host->flags & SDHCI_DEVICE_DEAD) - present = 0; + is_readonly = 0; + else if (host->ops->get_ro) + is_readonly = host->ops->get_ro(host); else - present = sdhci_readl(host, SDHCI_PRESENT_STATE); + is_readonly = !(sdhci_readl(host, SDHCI_PRESENT_STATE) + & SDHCI_WRITE_PROTECT); spin_unlock_irqrestore(&host->lock, flags); - if (host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT) - return !!(present & SDHCI_WRITE_PROTECT); - return !(present & SDHCI_WRITE_PROTECT); + /* This quirk needs to be replaced by a callback-function later */ + return host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT ? + !is_readonly : is_readonly; } static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable) diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index bfcd611d7b7..b7b8a3b28b0 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -214,6 +214,7 @@ struct sdhci_ops { unsigned int (*get_timeout_clock)(struct sdhci_host *host); void (*platform_send_init_74_clocks)(struct sdhci_host *host, u8 power_mode); + unsigned int (*get_ro)(struct sdhci_host *host); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS |