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>
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index 510554e..c9ae0a5 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -229,7 +229,7 @@
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 @@
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 @@
/* 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 @@
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);
