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mtd: Fix endianness issues from device tree

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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>
This commit is contained in:
Ian Munsie 2010-10-01 17:06:08 +10:00 committed by David Woodhouse
parent d86fbdb8ed
commit 766f271a63
5 changed files with 20 additions and 20 deletions
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14
drivers/mtd/maps/physmap_of.c
View file

@ -50,7 +50,7 @@ static int parse_obsolete_partitions(struct platform_device *dev,
{
int i, plen, nr_parts;
const struct {
u32 offset, len;
__be32 offset, len;
} *part;
const char *names;
@ -69,9 +69,9 @@ static int parse_obsolete_partitions(struct platform_device *dev,
names = of_get_property(dp, "partition-names", &plen);
for (i = 0; i < nr_parts; i++) {
info->parts[i].offset = part->offset;
info->parts[i].size = part->len & ~1;
if (part->len & 1) /* bit 0 set signifies read only partition */
info->parts[i].offset = be32_to_cpu(part->offset);
info->parts[i].size = be32_to_cpu(part->len) & ~1;
if (be32_to_cpu(part->len) & 1) /* bit 0 set signifies read only partition */
info->parts[i].mask_flags = MTD_WRITEABLE;
if (names && (plen > 0)) {
@ -226,11 +226,11 @@ static int __devinit of_flash_probe(struct platform_device *dev,
struct resource res;
struct of_flash *info;
const char *probe_type = match->data;
const u32 *width;
const __be32 *width;
int err;
int i;
int count;
const u32 *p;
const __be32 *p;
int reg_tuple_size;
struct mtd_info **mtd_list = NULL;
resource_size_t res_size;
@ -294,7 +294,7 @@ static int __devinit of_flash_probe(struct platform_device *dev,
info->list[i].map.name = dev_name(&dev->dev);
info->list[i].map.phys = res.start;
info->list[i].map.size = res_size;
info->list[i].map.bankwidth = *width;
info->list[i].map.bankwidth = be32_to_cpup(width);
err = -ENOMEM;
info->list[i].map.virt = ioremap(info->list[i].map.phys,

8
drivers/mtd/nand/fsl_upm.c
View file

@ -222,7 +222,7 @@ static int __devinit fun_probe(struct platform_device *ofdev,
{
struct fsl_upm_nand *fun;
struct resource io_res;
const uint32_t *prop;
const __be32 *prop;
int rnb_gpio;
int ret;
int size;
@ -270,7 +270,7 @@ static int __devinit fun_probe(struct platform_device *ofdev,
goto err1;
}
for (i = 0; i < fun->mchip_count; i++)
fun->mchip_offsets[i] = prop[i];
fun->mchip_offsets[i] = be32_to_cpu(prop[i]);
} else {
fun->mchip_count = 1;
}
@ -295,13 +295,13 @@ static int __devinit fun_probe(struct platform_device *ofdev,
prop = of_get_property(ofdev->dev.of_node, "chip-delay", NULL);
if (prop)
fun->chip_delay = *prop;
fun->chip_delay = be32_to_cpup(prop);
else
fun->chip_delay = 50;
prop = of_get_property(ofdev->dev.of_node, "fsl,upm-wait-flags", &size);
if (prop && size == sizeof(uint32_t))
fun->wait_flags = *prop;
fun->wait_flags = be32_to_cpup(prop);
else
fun->wait_flags = FSL_UPM_WAIT_RUN_PATTERN |
FSL_UPM_WAIT_WRITE_BYTE;

4
drivers/mtd/nand/mpc5121_nfc.c
View file

@ -663,7 +663,7 @@ static int __devinit mpc5121_nfc_probe(struct platform_device *op,
#endif
struct nand_chip *chip;
unsigned long regs_paddr, regs_size;
const uint *chips_no;
const __be32 *chips_no;
int resettime = 0;
int retval = 0;
int rev, len;
@ -806,7 +806,7 @@ static int __devinit mpc5121_nfc_probe(struct platform_device *op,
}
/* Detect NAND chips */
if (nand_scan(mtd, *chips_no)) {
if (nand_scan(mtd, be32_to_cpup(chips_no))) {
dev_err(dev, "NAND Flash not found !\n");
devm_free_irq(dev, prv->irq, mtd);
retval = -ENXIO;

8
drivers/mtd/nand/ndfc.c
View file

@ -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);

6
drivers/mtd/ofpart.c
View file

@ -44,7 +44,7 @@ int __devinit of_mtd_parse_partitions(struct device *dev,
pp = NULL;
i = 0;
while ((pp = of_get_next_child(node, pp))) {
const u32 *reg;
const __be32 *reg;
int len;
reg = of_get_property(pp, "reg", &len);
@ -53,8 +53,8 @@ int __devinit of_mtd_parse_partitions(struct device *dev,
continue;
}
(*pparts)[i].offset = reg[0];
(*pparts)[i].size = reg[1];
(*pparts)[i].offset = be32_to_cpu(reg[0]);
(*pparts)[i].size = be32_to_cpu(reg[1]);
partname = of_get_property(pp, "label", &len);
if (!partname)