On Thu, May 05, 2011 at 09:22:54PM +0800, Shawn Guo wrote:

The patch turns the sdhci-of-core common stuff into helper functions
added into sdhci-pltfm.c, and makes sdhci-of device drviers self
registered using the same pair of .probe and .remove used by
sdhci-pltfm device drivers.

As a result, sdhci-of-core.c and sdhci-of.h can be eliminated with
those common things merged into sdhci-pltfm.c and sdhci-pltfm.h
respectively.

Signed-off-by: Shawn Guo <redacted>

After taking care of Anton's comment and fixing this minor thingie...

+#ifdef CONFIG_OF
+static bool sdhci_of_wp_inverted(struct device_node *np)
+{
+	if (of_get_property(np, "sdhci,wp-inverted", NULL))
+		return true;
+
+	/* Old device trees don't have the wp-inverted property. */
+#ifdef CONFIG_PPC
+	return machine_is(mpc837x_rdb) || machine_is(mpc837x_mds);
+#else
+	return false;
+#endif

/* CONFIG_PPC */ after #endif

+}
+
+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;
+	int size;
+
+	if (of_device_is_available(np)) {
+		if (of_get_property(np, "sdhci,auto-cmd12", NULL))
+			host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
+
+		if (of_get_property(np, "sdhci,1-bit-only", NULL))
+			host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
+
+		if (sdhci_of_wp_inverted(np))
+			host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
+
+		clk = of_get_property(np, "clock-frequency", &size);
+		if (clk && size == sizeof(*clk) && *clk)
+			pltfm_host->clock = be32_to_cpup(clk);
+	}
+}
+#else
+void sdhci_get_of_property(struct platform_device *pdev) {}
+#endif

/* CONFIG_OF */

you can add

Reviewed-by: Wolfram Sang <redacted>

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