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authorRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>2015-01-19 12:27:24 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-01-20 11:18:46 +0100
commit68a99b187df3f4675f22a4a3f54c9d7645ab6409 (patch)
treeecea98e7df5423676373a506fdf152ca889717cc /drivers/gpio/gpio-mm-lantiq.c
parentf3f26c2f4b15b5b56ed87610403e4a98a13d6369 (diff)
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gpio: gpio-mm-lantiq: Use of_property_read_u32
Instead of parsing manually the shadow content, use the much simpler helper of_property_read_u32. Cc: Alexandre Courbot <gnurou@gmail.com> Cc: Grant Likely <grant.likely@linaro.org> Cc: Rob Herring <robh+dt@kernel.org> Cc: John Crispin <blogic@openwrt.org> Cc: devicetree@vger.kernel.org Cc: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-mm-lantiq.c')
-rw-r--r--drivers/gpio/gpio-mm-lantiq.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c
index 7d551610244b..95ff180d261e 100644
--- a/drivers/gpio/gpio-mm-lantiq.c
+++ b/drivers/gpio/gpio-mm-lantiq.c
@@ -105,7 +105,7 @@ static void ltq_mm_save_regs(struct of_mm_gpio_chip *mm_gc)
static int ltq_mm_probe(struct platform_device *pdev)
{
struct ltq_mm *chip;
- const __be32 *shadow;
+ u32 shadow;
chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
@@ -117,9 +117,8 @@ static int ltq_mm_probe(struct platform_device *pdev)
chip->mmchip.save_regs = ltq_mm_save_regs;
/* store the shadow value if one was passed by the devicetree */
- shadow = of_get_property(pdev->dev.of_node, "lantiq,shadow", NULL);
- if (shadow)
- chip->shadow = be32_to_cpu(*shadow);
+ if (!of_property_read_u32(pdev->dev.of_node, "lantiq,shadow", &shadow))
+ chip->shadow = shadow;
return of_mm_gpiochip_add(pdev->dev.of_node, &chip->mmchip);
}