1 files changed, 15 insertions, 35 deletions

diff --git a/drivers/mmc/host/imxmmc.c b/drivers/mmc/host/imxmmc.c
index 5e880c0f1349..f61406da65d2 100644
--- a/drivers/mmc/host/imxmmc.c
+++ b/drivers/mmc/host/imxmmc.c
@@ -26,12 +26,6 @@
  *
  */
 
-#ifdef CONFIG_MMC_DEBUG
-#define DEBUG
-#else
-#undef  DEBUG
-#endif
-
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
@@ -907,31 +901,12 @@ static const struct mmc_host_ops imxmci_ops = {
         .get_ro         = imxmci_get_ro,
 };
 
-static struct resource *platform_device_resource(struct platform_device *dev, unsigned int mask, int nr)
-{
-        int i;
-
-        for (i = 0; i < dev->num_resources; i++)
-                if (dev->resource[i].flags == mask && nr-- == 0)
-                        return &dev->resource[i];
-        return NULL;
-}
-
-static int platform_device_irq(struct platform_device *dev, int nr)
-{
-        int i;
-
-        for (i = 0; i < dev->num_resources; i++)
-                if (dev->resource[i].flags == IORESOURCE_IRQ && nr-- == 0)
-                        return dev->resource[i].start;
-        return NO_IRQ;
-}
-
 static void imxmci_check_status(unsigned long data)
 {
         struct imxmci_host *host = (struct imxmci_host *)data;
 
-        if( host->pdata->card_present(mmc_dev(host->mmc)) != host->present ) {
+        if (host->pdata && host->pdata->card_present &&
+            host->pdata->card_present(mmc_dev(host->mmc)) != host->present) {
                 host->present ^= 1;
                 dev_info(mmc_dev(host->mmc), "card %s\n",
                       host->present ? "inserted" : "removed");
@@ -962,13 +937,12 @@ static int imxmci_probe(struct platform_device *pdev)
 
         printk(KERN_INFO "i.MX mmc driver\n");
 
-        r = platform_device_resource(pdev, IORESOURCE_MEM, 0);
-        irq = platform_device_irq(pdev, 0);
-        if (!r || irq == NO_IRQ)
+        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        irq = platform_get_irq(pdev, 0);
+        if (!r || irq < 0)
                 return -ENXIO;
 
-        r = request_mem_region(r->start, 0x100, "IMXMCI");
-        if (!r)
+        if (!request_mem_region(r->start, 0x100, pdev->name))
                 return -EBUSY;
 
         mmc = mmc_alloc_host(sizeof(struct imxmci_host), &pdev->dev);
@@ -995,6 +969,8 @@ static int imxmci_probe(struct platform_device *pdev)
         host->mmc = mmc;
         host->dma_allocated = 0;
         host->pdata = pdev->dev.platform_data;
+        if (!host->pdata)
+                dev_warn(&pdev->dev, "No platform data provided!\n");
 
         spin_lock_init(&host->lock);
         host->res = r;
@@ -1047,7 +1023,11 @@ static int imxmci_probe(struct platform_device *pdev)
         if (ret)
                 goto out;
 
-        host->present = host->pdata->card_present(mmc_dev(mmc));
+        if (host->pdata && host->pdata->card_present)
+                host->present = host->pdata->card_present(mmc_dev(mmc));
+        else    /* if there is no way to detect assume that card is present */
+                host->present = 1;
+
         init_timer(&host->timer);
         host->timer.data = (unsigned long)host;
         host->timer.function = imxmci_check_status;
@@ -1073,7 +1053,7 @@ out:
         }
         if (mmc)
                 mmc_free_host(mmc);
-        release_resource(r);
+        release_mem_region(r->start, 0x100);
         return ret;
 }
 
@@ -1102,7 +1082,7 @@ static int imxmci_remove(struct platform_device *pdev)
                 clk_disable(host->clk);
                 clk_put(host->clk);
 
-                release_resource(host->res);
+                release_mem_region(host->res->start, 0x100);
 
                 mmc_free_host(mmc);
         }