Instead of parsing manually the shadow content, use the much simpler
helper of_property_read_u16.
Cc: Linus Walleij <linus.walleij@xxxxxxxxxx>
Cc: Alexandre Courbot <gnurou@xxxxxxxxx>
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: John Crispin <blogic@xxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
---
drivers/gpio/gpio-mm-lantiq.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c
index 7d55161..b511a6b 100644
--- a/drivers/gpio/gpio-mm-lantiq.c
+++ b/drivers/gpio/gpio-mm-lantiq.c
@@ -105,7 +105,6 @@ 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;
chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
@@ -117,9 +116,8 @@ 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);
+ of_property_read_u16(pdev->dev.of_node, "lantiq,shadow",
+ &chip->shadow);
return of_mm_gpiochip_add(pdev->dev.of_node, &chip->mmchip);
}
--
2.1.4
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