mmc: sdhci-pltfm: Use of_property_read_u32 instead of open-coding it

Use of_property_read_u32 instead of of_get_property with return value
checks and endianness conversion.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index a207f5a..87fb5ea 100644 (file)
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -71,9 +71,7 @@ void sdhci_get_of_property(struct platform_device *pdev)
        struct device_node *np = pdev->dev.of_node;
        struct sdhci_host *host = platform_get_drvdata(pdev);
        struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
-       const __be32 *clk;
        u32 bus_width;
-       int size;
 
        if (of_get_property(np, "sdhci,auto-cmd12", NULL))
                host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
@@ -101,9 +99,7 @@ void sdhci_get_of_property(struct platform_device *pdev)
            of_device_is_compatible(np, "fsl,mpc8536-esdhc"))
                host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
 
-       clk = of_get_property(np, "clock-frequency", &size);
-       if (clk && size == sizeof(*clk) && *clk)
-               pltfm_host->clock = be32_to_cpup(clk);
+       of_property_read_u32(np, "clock-frequency", &pltfm_host->clock);
 
        if (of_find_property(np, "keep-power-in-suspend", NULL))
                host->mmc->pm_caps |= MMC_PM_KEEP_POWER;