diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index c45e630..bd97639 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -810,9 +810,6 @@
 	ds1wm_resources[0].start >>= asic->bus_shift;
 	ds1wm_resources[0].end   >>= asic->bus_shift;
 
-	asic3_cell_ds1wm.platform_data = &asic3_cell_ds1wm;
-	asic3_cell_ds1wm.data_size = sizeof(asic3_cell_ds1wm);
-
 	/* MMC */
 	asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) +
 				 mem_sdio->start, 0x400 >> asic->bus_shift);
@@ -824,9 +821,6 @@
 	asic3_mmc_resources[0].start >>= asic->bus_shift;
 	asic3_mmc_resources[0].end   >>= asic->bus_shift;
 
-	asic3_cell_mmc.platform_data = &asic3_cell_mmc;
-	asic3_cell_mmc.data_size = sizeof(asic3_cell_mmc);
-
 	ret = mfd_add_devices(&pdev->dev, pdev->id,
 			&asic3_cell_ds1wm, 1, mem, asic->irq_base);
 	if (ret < 0)
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index ac52eb6..67c9d0f 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -303,7 +303,7 @@
 
 static void tmio_mmc_clk_stop(struct tmio_mmc_host *host)
 {
-	struct mfd_cell *cell = host->pdev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 
 	/*
@@ -327,7 +327,7 @@
 
 static void tmio_mmc_clk_start(struct tmio_mmc_host *host)
 {
-	struct mfd_cell *cell = host->pdev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 
 	sd_ctrl_write16(host, CTL_SD_CARD_CLK_CTL, 0x0100 |
@@ -669,7 +669,7 @@
 static irqreturn_t tmio_mmc_irq(int irq, void *devid)
 {
 	struct tmio_mmc_host *host = devid;
-	struct mfd_cell	*cell = host->pdev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 	unsigned int ireg, irq_mask, status;
 	unsigned int sdio_ireg, sdio_irq_mask, sdio_status;
@@ -799,7 +799,7 @@
 	struct scatterlist *sg = host->sg_ptr, *sg_tmp;
 	struct dma_async_tx_descriptor *desc = NULL;
 	struct dma_chan *chan = host->chan_rx;
-	struct mfd_cell	*cell = host->pdev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 	dma_cookie_t cookie;
 	int ret, i;
@@ -869,7 +869,7 @@
 	struct scatterlist *sg = host->sg_ptr, *sg_tmp;
 	struct dma_async_tx_descriptor *desc = NULL;
 	struct dma_chan *chan = host->chan_tx;
-	struct mfd_cell	*cell = host->pdev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 	dma_cookie_t cookie;
 	int ret, i;
@@ -1063,7 +1063,7 @@
 static int tmio_mmc_start_data(struct tmio_mmc_host *host,
 	struct mmc_data *data)
 {
-	struct mfd_cell *cell = host->pdev->dev.platform_data;
+	struct mfd_cell *cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 
 	pr_debug("setup data transfer: blocksize %08x  nr_blocks %d\n",
@@ -1169,7 +1169,7 @@
 static int tmio_mmc_get_ro(struct mmc_host *mmc)
 {
 	struct tmio_mmc_host *host = mmc_priv(mmc);
-	struct mfd_cell	*cell = host->pdev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 
 	return ((pdata->flags & TMIO_MMC_WRPROTECT_DISABLE) ||
@@ -1179,7 +1179,7 @@
 static int tmio_mmc_get_cd(struct mmc_host *mmc)
 {
 	struct tmio_mmc_host *host = mmc_priv(mmc);
-	struct mfd_cell	*cell = host->pdev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(host->pdev);
 	struct tmio_mmc_data *pdata = cell->driver_data;
 
 	if (!pdata->get_cd)
@@ -1199,7 +1199,7 @@
 #ifdef CONFIG_PM
 static int tmio_mmc_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct mfd_cell	*cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(dev);
 	struct mmc_host *mmc = platform_get_drvdata(dev);
 	int ret;
 
@@ -1214,7 +1214,7 @@
 
 static int tmio_mmc_resume(struct platform_device *dev)
 {
-	struct mfd_cell	*cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(dev);
 	struct mmc_host *mmc = platform_get_drvdata(dev);
 	int ret = 0;
 
@@ -1237,7 +1237,7 @@
 
 static int __devinit tmio_mmc_probe(struct platform_device *dev)
 {
-	struct mfd_cell	*cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(dev);
 	struct tmio_mmc_data *pdata;
 	struct resource *res_ctl;
 	struct tmio_mmc_host *host;
@@ -1352,7 +1352,7 @@
 
 static int __devexit tmio_mmc_remove(struct platform_device *dev)
 {
-	struct mfd_cell	*cell = (struct mfd_cell *)dev->dev.platform_data;
+	struct mfd_cell	*cell = mfd_get_cell(dev);
 	struct mmc_host *mmc = platform_get_drvdata(dev);
 
 	platform_set_drvdata(dev, NULL);
diff --git a/drivers/w1/masters/ds1wm.c b/drivers/w1/masters/ds1wm.c
index 6b85e7f..94f55d8 100644
--- a/drivers/w1/masters/ds1wm.c
+++ b/drivers/w1/masters/ds1wm.c
@@ -336,7 +336,7 @@
 	if (!pdev)
 		return -ENODEV;
 
-	cell = pdev->dev.platform_data;
+	cell = mfd_get_cell(pdev);
 	if (!cell)
 		return -ENODEV;