Clear incorrect SDHCI_CAN_64BIT capability on Broadcom MIPS based SoCs.
The MIPS based SoCs are using ADMA only, but the several SoCs have the
incorrect capability bit about ADMA 64-bit. The "brcm,bcm7425-sdhci" is
compatible string for MIPS based SoC.
Signed-off-by: Jaedon Shin <jaedon.shin@xxxxxxxxx>
Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/host/sdhci-brcmstb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/mmc/host/sdhci-brcmstb.c b/drivers/mmc/host/sdhci-brcmstb.c
index cce10fe3e19e..464d9f9a4c06 100644
--- a/drivers/mmc/host/sdhci-brcmstb.c
+++ b/drivers/mmc/host/sdhci-brcmstb.c
@@ -98,6 +98,8 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev)
* properties through mmc_of_parse().
*/
host->caps = sdhci_readl(host, SDHCI_CAPABILITIES);
+ if (of_device_is_compatible(pdev->dev.of_node, "brcm,bcm7425-sdhci"))
+ host->caps &= ~SDHCI_CAN_64BIT;
host->caps1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
host->caps1 &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_SDR104 |
SDHCI_SUPPORT_DDR50);
@@ -121,6 +123,7 @@ err_clk:
static const struct of_device_id sdhci_brcm_of_match[] = {
{ .compatible = "brcm,bcm7425-sdhci" },
+ { .compatible = "brcm,bcm7445-sdhci" },
{},
};
MODULE_DEVICE_TABLE(of, sdhci_brcm_of_match);
--
2.10.0
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