[1/3] sdhci-pltfm: add call back alloc_host

Commit Message

Zhangfei Gao Sept. 27, 2010, 2:55 a.m. UTC

None

Patch

From 7a870a620fa868ed4ce0cffcbd6b0683a00ae2e5 Mon Sep 17 00:00:00 2001
From: Zhangfei Gao <[e-mail]>
Date: Mon, 27 Sep 2010 10:30:01 -0400
Subject: [PATCH 1/3] sdhci-pltfm: add call back alloc_host

	alloc_host could alloc specific structure of device to meet different requirement

Signed-off-by: Zhangfei Gao <[e-mail]>
---
 drivers/mmc/host/sdhci-pltfm.c |    4 ++--
 include/linux/sdhci-pltfm.h    |    1 +
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 9669f21..82d3d05 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -76,8 +76,8 @@  static int __devinit sdhci_pltfm_probe(struct platform_device *pdev)
 		dev_err(&pdev->dev, "Invalid iomem size. You may "
 			"experience problems.\n");
 
-	if (pdev->dev.parent)
-		host = sdhci_alloc_host(pdev->dev.parent, 0);
+	if (pdata && pdata->alloc_host)
+		host = pdata->alloc_host(&pdev->dev);
 	else
 		host = sdhci_alloc_host(&pdev->dev, 0);
 
diff --git a/include/linux/sdhci-pltfm.h b/include/linux/sdhci-pltfm.h
index e14fce3..80c415e 100644
--- a/include/linux/sdhci-pltfm.h
+++ b/include/linux/sdhci-pltfm.h
@@ -30,6 +30,7 @@  struct sdhci_pltfm_data {
 	unsigned int quirks;
 	int (*init)(struct sdhci_host *host, struct sdhci_pltfm_data *pdata, void* priv_pdata);
 	void (*exit)(struct sdhci_host *host);
+	struct sdhci_host *(*alloc_host)(struct device *dev);
 };
 
 #endif /* _SDHCI_PLTFM_H */
-- 
1.7.0.4