diff options
| -rw-r--r-- | drivers/mmc/host/sdhci-pci-gli.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pci-gli.c b/drivers/mmc/host/sdhci-pci-gli.c index ad50f16658fe..97035d77c18c 100644 --- a/drivers/mmc/host/sdhci-pci-gli.c +++ b/drivers/mmc/host/sdhci-pci-gli.c @@ -902,7 +902,28 @@ static int gli_probe_slot_gl9763e(struct sdhci_pci_slot *slot) return 0; } +#define REG_OFFSET_IN_BITS(reg) ((reg) << 3 & 0x18) + +static u16 sdhci_gli_readw(struct sdhci_host *host, int reg) +{ + u32 val = readl(host->ioaddr + (reg & ~3)); + u16 word; + + word = (val >> REG_OFFSET_IN_BITS(reg)) & 0xffff; + return word; +} + +static u8 sdhci_gli_readb(struct sdhci_host *host, int reg) +{ + u32 val = readl(host->ioaddr + (reg & ~3)); + u8 byte = (val >> REG_OFFSET_IN_BITS(reg)) & 0xff; + + return byte; +} + static const struct sdhci_ops sdhci_gl9755_ops = { + .read_w = sdhci_gli_readw, + .read_b = sdhci_gli_readb, .set_clock = sdhci_gl9755_set_clock, .enable_dma = sdhci_pci_enable_dma, .set_bus_width = sdhci_set_bus_width, @@ -922,6 +943,8 @@ const struct sdhci_pci_fixes sdhci_gl9755 = { }; static const struct sdhci_ops sdhci_gl9750_ops = { + .read_w = sdhci_gli_readw, + .read_b = sdhci_gli_readb, .read_l = sdhci_gl9750_readl, .set_clock = sdhci_gl9750_set_clock, .enable_dma = sdhci_pci_enable_dma, |