[MTD] [NAND] bf5xx_nand: Avoid crash if bfin_mac is installed.

http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=4053

Singed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index 1fbc24c..e87a572 100644 (file)
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -1,6 +1,6 @@
 /* linux/drivers/mtd/nand/bf5xx_nand.c
  *
- * Copyright 2006-2007 Analog Devices Inc.
+ * Copyright 2006-2008 Analog Devices Inc.
  *     http://blackfin.uclinux.org/
  *     Bryan Wu <bryan.wu@analog.com>
  *
@@ -74,7 +74,7 @@ static int hardware_ecc = 1;
 static int hardware_ecc;
 #endif
 
-static unsigned short bfin_nfc_pin_req[] =
+static const unsigned short bfin_nfc_pin_req[] =
        {P_NAND_CE,
         P_NAND_RB,
         P_NAND_D0,
@@ -581,12 +581,6 @@ static int bf5xx_nand_hw_init(struct bf5xx_nand_info *info)
        bfin_write_NFC_IRQSTAT(val);
        SSYNC();
 
-       if (peripheral_request_list(bfin_nfc_pin_req, DRV_NAME)) {
-               printk(KERN_ERR DRV_NAME
-               ": Requesting Peripherals failed\n");
-               return -EFAULT;
-       }
-
        /* DMA initialization  */
        if (bf5xx_nand_dma_init(info))
                err = -ENXIO;
@@ -654,6 +648,12 @@ static int bf5xx_nand_probe(struct platform_device *pdev)
 
        dev_dbg(&pdev->dev, "(%p)\n", pdev);
 
+       if (peripheral_request_list(bfin_nfc_pin_req, DRV_NAME)) {
+               printk(KERN_ERR DRV_NAME
+               ": Requesting Peripherals failed\n");
+               return -EFAULT;
+       }
+
        if (!plat) {
                dev_err(&pdev->dev, "no platform specific information\n");
                goto exit_error;