mtd: Fix endianness issues from device tree

This patch adds the appropriate conversions to correct the endianness
issues in the MTD driver whenever it accesses the device tree (which is
always big endian).

Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index 510554e6c115..c9ae0a5023b6 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -229,7 +229,7 @@ static int __devinit ndfc_probe(struct platform_device *ofdev,
                                 const struct of_device_id *match)
 {
         struct ndfc_controller *ndfc = &ndfc_ctrl;
-        const u32 *reg;
+        const __be32 *reg;
         u32 ccr;
         int err, len;
 
@@ -244,7 +244,7 @@ static int __devinit ndfc_probe(struct platform_device *ofdev,
                 dev_err(&ofdev->dev, "unable read reg property (%d)\n", len);
                 return -ENOENT;
         }
-        ndfc->chip_select = reg[0];
+        ndfc->chip_select = be32_to_cpu(reg[0]);
 
         ndfc->ndfcbase = of_iomap(ofdev->dev.of_node, 0);
         if (!ndfc->ndfcbase) {
@@ -257,7 +257,7 @@ static int __devinit ndfc_probe(struct platform_device *ofdev,
         /* It is ok if ccr does not exist - just default to 0 */
         reg = of_get_property(ofdev->dev.of_node, "ccr", NULL);
         if (reg)
-                ccr |= *reg;
+                ccr |= be32_to_cpup(reg);
 
         out_be32(ndfc->ndfcbase + NDFC_CCR, ccr);
 
@@ -265,7 +265,7 @@ static int __devinit ndfc_probe(struct platform_device *ofdev,
         reg = of_get_property(ofdev->dev.of_node, "bank-settings", NULL);
         if (reg) {
                 int offset = NDFC_BCFG0 + (ndfc->chip_select << 2);
-                out_be32(ndfc->ndfcbase + offset, *reg);
+                out_be32(ndfc->ndfcbase + offset, be32_to_cpup(reg));
         }
 
         err = ndfc_chip_init(ndfc, ofdev->dev.of_node);