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| author |   Kefeng Wang <wangkefeng.wang@huawei.com> | 2017-01-24 20:08:29 +0800 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2017-01-24 11:15:01 -0500 |
| commit | 73b2951414f661e22dc4b88e4e6590c9406cf822 (patch) | |
| tree | 1b9044182dd846786b41b2ec5647aac89ed5a844 /drivers/ata | |
| parent | pata_atiixp: Don't use unconnected secondary port on SB600/SB700 (diff) | |
| download | linux-dev-73b2951414f661e22dc4b88e4e6590c9406cf822.tar.xz linux-dev-73b2951414f661e22dc4b88e4e6590c9406cf822.zip | |
ata: pata_of_platform: using of_property_read_u32() helper
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>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_of_platform.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c index b6b7af894d9d..201a32d0627f 100644 --- a/drivers/ata/pata_of_platform.c +++ b/drivers/ata/pata_of_platform.c @@ -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; |