mmc: sdhci-brcmstb: Fix incorrect capability
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@gmail.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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@ -98,6 +98,8 @@ static int sdhci_brcmstb_probe(struct platform_device *pdev)
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* properties through mmc_of_parse().
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*/
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host->caps = sdhci_readl(host, SDHCI_CAPABILITIES);
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if (of_device_is_compatible(pdev->dev.of_node, "brcm,bcm7425-sdhci"))
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host->caps &= ~SDHCI_CAN_64BIT;
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host->caps1 = sdhci_readl(host, SDHCI_CAPABILITIES_1);
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host->caps1 &= ~(SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_SDR104 |
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SDHCI_SUPPORT_DDR50);
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@ -121,6 +123,7 @@ err_clk:
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static const struct of_device_id sdhci_brcm_of_match[] = {
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{ .compatible = "brcm,bcm7425-sdhci" },
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{ .compatible = "brcm,bcm7445-sdhci" },
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{},
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};
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MODULE_DEVICE_TABLE(of, sdhci_brcm_of_match);
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