From: Samuel Ortiz <sameo@linux.intel.com>
Date: Wed, 6 Apr 2011 14:52:52 +0000 (+0200)
Subject: mfd: Add platform data pointer back
X-Git-Tag: v3.0-rc1~131^2~56
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=eb8956074e7652e802be5f078080c704c2c87104;p=~emulex%2Finfiniband.git

mfd: Add platform data pointer back

Now that we have a way to pass MFD cells down to the sub drivers,
we can gradually get rid of mfd_data by putting the platform pointer
back in place.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index f4c8c844b91..0902523af62 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -88,6 +88,13 @@ static int mfd_add_device(struct device *parent, int id,
 
 	pdev->dev.parent = parent;
 
+	if (cell->pdata_size) {
+		ret = platform_device_add_data(pdev,
+					cell->platform_data, cell->pdata_size);
+		if (ret)
+			goto fail_res;
+	}
+
 	ret = mfd_platform_add_cell(pdev, cell);
 	if (ret)
 		goto fail_res;
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index aef23309a74..68c13e52a50 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -36,6 +36,10 @@ struct mfd_cell {
 	/* mfd_data can be used to pass data to client drivers */
 	void			*mfd_data;
 
+	/* platform data passed to the sub devices drivers */
+	void			*platform_data;
+	size_t			pdata_size;
+
 	/*
 	 * These resources can be specified relative to the parent device.
 	 * For accessing hardware you should use resources from the platform dev