* [PATCH] ata: pata_of_platform: using of_property_read_u32() helper
@ 2017-01-24 12:08 ` Kefeng Wang
0 siblings, 0 replies; 3+ messages in thread
From: Kefeng Wang @ 2017-01-24 12:08 UTC (permalink / raw)
To: Tejun Heo, linux-kernel
Cc: linux-ide, Kefeng Wang, Bartlomiej Zolnierkiewicz, Hans de Goede
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(-)
diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c
index b6b7af8..201a32d 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;
--
1.7.12.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH] ata: pata_of_platform: using of_property_read_u32() helper
@ 2017-01-24 12:08 ` Kefeng Wang
0 siblings, 0 replies; 3+ messages in thread
From: Kefeng Wang @ 2017-01-24 12:08 UTC (permalink / raw)
To: Tejun Heo, linux-kernel
Cc: linux-ide, Kefeng Wang, Bartlomiej Zolnierkiewicz, Hans de Goede
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(-)
diff --git a/drivers/ata/pata_of_platform.c b/drivers/ata/pata_of_platform.c
index b6b7af8..201a32d 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;
--
1.7.12.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] ata: pata_of_platform: using of_property_read_u32() helper
2017-01-24 12:08 ` Kefeng Wang
(?)
@ 2017-01-24 16:15 ` Tejun Heo
-1 siblings, 0 replies; 3+ messages in thread
From: Tejun Heo @ 2017-01-24 16:15 UTC (permalink / raw)
To: Kefeng Wang
Cc: linux-kernel, linux-ide, Bartlomiej Zolnierkiewicz, Hans de Goede
On Tue, Jan 24, 2017 at 08:08:29PM +0800, Kefeng Wang wrote:
> 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>
Applied to libata/for-4.11.
Thanks.
--
tejun
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-01-24 16:15 UTC | newest]
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2017-01-24 12:08 [PATCH] ata: pata_of_platform: using of_property_read_u32() helper Kefeng Wang
2017-01-24 12:08 ` Kefeng Wang
2017-01-24 16:15 ` Tejun Heo
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