@@ -32,7 +32,6 @@ static int pata_of_platform_probe(struct platform_device *ofdev)
unsigned int reg_shift = 0;
int pio_mode = 0;
int pio_mask;
- const u32 *prop;
ret = of_address_to_resource(dn, 0, &io_res);
if (ret) {
@@ -50,13 +49,9 @@ static int pata_of_platform_probe(struct platform_device *ofdev)
irq_res = platform_get_resource(ofdev, IORESOURCE_IRQ, 0);
- prop = of_get_property(dn, "reg-shift", NULL);
- if (prop)
- reg_shift = be32_to_cpup(prop);
+ of_property_read_u32(dn, "reg-shift", ®_shift);
- prop = of_get_property(dn, "pio-mode", NULL);
- if (prop) {
- pio_mode = be32_to_cpup(prop);
+ if (!of_property_read_u32(dn, "pio-mode", &pio_mode)) {
if (pio_mode > 6) {
dev_err(&ofdev->dev, "invalid pio-mode\n");
return -EINVAL;
Using better of_property_read_u32() than generic of_get_property(). Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- drivers/ata/pata_of_platform.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) -- 1.7.12.4