diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 9a23863..a71ff5c 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -694,26 +694,7 @@
 	}
 
 	tc6393xb_cells[TC6393XB_CELL_NAND].driver_data = tcpd->nand_data;
-	tc6393xb_cells[TC6393XB_CELL_NAND].platform_data =
-		&tc6393xb_cells[TC6393XB_CELL_NAND];
-	tc6393xb_cells[TC6393XB_CELL_NAND].data_size =
-		sizeof(tc6393xb_cells[TC6393XB_CELL_NAND]);
-
-	tc6393xb_cells[TC6393XB_CELL_MMC].platform_data =
-		&tc6393xb_cells[TC6393XB_CELL_MMC];
-	tc6393xb_cells[TC6393XB_CELL_MMC].data_size =
-		sizeof(tc6393xb_cells[TC6393XB_CELL_MMC]);
-
-	tc6393xb_cells[TC6393XB_CELL_OHCI].platform_data =
-		&tc6393xb_cells[TC6393XB_CELL_OHCI];
-	tc6393xb_cells[TC6393XB_CELL_OHCI].data_size =
-		sizeof(tc6393xb_cells[TC6393XB_CELL_OHCI]);
-
 	tc6393xb_cells[TC6393XB_CELL_FB].driver_data = tcpd->fb_data;
-	tc6393xb_cells[TC6393XB_CELL_FB].platform_data =
-		&tc6393xb_cells[TC6393XB_CELL_FB];
-	tc6393xb_cells[TC6393XB_CELL_FB].data_size =
-		sizeof(tc6393xb_cells[TC6393XB_CELL_FB]);
 
 	ret = mfd_add_devices(&dev->dev, dev->id,
 			tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells),
diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c
index 8dabe8e..eeed164 100644
--- a/drivers/usb/host/ohci-tmio.c
+++ b/drivers/usb/host/ohci-tmio.c
@@ -185,7 +185,7 @@
 
 static int __devinit ohci_hcd_tmio_drv_probe(struct platform_device *dev)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct resource *regs = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	struct resource *config = platform_get_resource(dev, IORESOURCE_MEM, 1);
 	struct resource *sram = platform_get_resource(dev, IORESOURCE_MEM, 2);
@@ -274,7 +274,7 @@
 {
 	struct usb_hcd *hcd = platform_get_drvdata(dev);
 	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 
 	usb_remove_hcd(hcd);
 	tmio_stop_hc(dev);
@@ -293,7 +293,7 @@
 #ifdef CONFIG_PM
 static int ohci_hcd_tmio_drv_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct usb_hcd *hcd = platform_get_drvdata(dev);
 	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
 	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
@@ -326,7 +326,7 @@
 
 static int ohci_hcd_tmio_drv_resume(struct platform_device *dev)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct usb_hcd *hcd = platform_get_drvdata(dev);
 	struct ohci_hcd *ohci = hcd_to_ohci(hcd);
 	struct tmio_hcd *tmio = hcd_to_tmio(hcd);
diff --git a/drivers/video/tmiofb.c b/drivers/video/tmiofb.c
index dfef88c..6302882 100644
--- a/drivers/video/tmiofb.c
+++ b/drivers/video/tmiofb.c
@@ -250,7 +250,7 @@
  */
 static int tmiofb_hw_stop(struct platform_device *dev)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct tmio_fb_data *data = cell->driver_data;
 	struct fb_info *info = platform_get_drvdata(dev);
 	struct tmiofb_par *par = info->par;
@@ -268,7 +268,7 @@
  */
 static int tmiofb_hw_init(struct platform_device *dev)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct fb_info *info = platform_get_drvdata(dev);
 	struct tmiofb_par *par = info->par;
 	const struct resource *nlcr = &cell->resources[0];
@@ -312,7 +312,7 @@
  */
 static void tmiofb_hw_mode(struct platform_device *dev)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct tmio_fb_data *data = cell->driver_data;
 	struct fb_info *info = platform_get_drvdata(dev);
 	struct fb_videomode *mode = info->mode;
@@ -559,8 +559,7 @@
 static struct fb_videomode *
 tmiofb_find_mode(struct fb_info *info, struct fb_var_screeninfo *var)
 {
-	struct mfd_cell *cell =
-		info->device->platform_data;
+	struct mfd_cell *cell = mfd_get_cell(to_platform_device(info->device));
 	struct tmio_fb_data *data = cell->driver_data;
 	struct fb_videomode *best = NULL;
 	int i;
@@ -581,8 +580,7 @@
 {
 
 	struct fb_videomode *mode;
-	struct mfd_cell *cell =
-		info->device->platform_data;
+	struct mfd_cell *cell = mfd_get_cell(to_platform_device(info->device));
 	struct tmio_fb_data *data = cell->driver_data;
 
 	mode = tmiofb_find_mode(info, var);
@@ -683,7 +681,7 @@
 
 static int __devinit tmiofb_probe(struct platform_device *dev)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct tmio_fb_data *data = cell->driver_data;
 	struct resource *ccr = platform_get_resource(dev, IORESOURCE_MEM, 1);
 	struct resource *lcr = platform_get_resource(dev, IORESOURCE_MEM, 0);
@@ -811,7 +809,7 @@
 
 static int __devexit tmiofb_remove(struct platform_device *dev)
 {
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	struct fb_info *info = platform_get_drvdata(dev);
 	int irq = platform_get_irq(dev, 0);
 	struct tmiofb_par *par;
@@ -941,7 +939,7 @@
 #ifdef CONFIG_FB_TMIO_ACCELL
 	struct tmiofb_par *par = info->par;
 #endif
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	int retval = 0;
 
 	console_lock();
@@ -973,7 +971,7 @@
 static int tmiofb_resume(struct platform_device *dev)
 {
 	struct fb_info *info = platform_get_drvdata(dev);
-	struct mfd_cell *cell = dev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(dev);
 	int retval = 0;
 
 	console_lock();