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path: root/drivers/of/gpio.c
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Diffstat (limited to 'drivers/of/gpio.c')
-rw-r--r--drivers/of/gpio.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c
index 6eea601..24c3606 100644
--- a/drivers/of/gpio.c
+++ b/drivers/of/gpio.c
@@ -36,7 +36,7 @@ int of_get_gpio_flags(struct device_node *np, int index,
struct of_gpio_chip *of_gc = NULL;
int size;
const void *gpio_spec;
- const u32 *gpio_cells;
+ const __be32 *gpio_cells;
ret = of_parse_phandles_with_args(np, "gpios", "#gpio-cells", index,
&gc, &gpio_spec);
@@ -55,7 +55,7 @@ int of_get_gpio_flags(struct device_node *np, int index,
gpio_cells = of_get_property(gc, "#gpio-cells", &size);
if (!gpio_cells || size != sizeof(*gpio_cells) ||
- *gpio_cells != of_gc->gpio_cells) {
+ be32_to_cpup(gpio_cells) != of_gc->gpio_cells) {
pr_debug("%s: wrong #gpio-cells for %s\n",
np->full_name, gc->full_name);
ret = -EINVAL;
@@ -127,7 +127,8 @@ EXPORT_SYMBOL(of_gpio_count);
int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np,
const void *gpio_spec, enum of_gpio_flags *flags)
{
- const u32 *gpio = gpio_spec;
+ const __be32 *gpio = gpio_spec;
+ const u32 n = be32_to_cpup(gpio);
/*
* We're discouraging gpio_cells < 2, since that way you'll have to
@@ -140,13 +141,13 @@ int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np,
return -EINVAL;
}
- if (*gpio > of_gc->gc.ngpio)
+ if (n > of_gc->gc.ngpio)
return -EINVAL;
if (flags)
- *flags = gpio[1];
+ *flags = be32_to_cpu(gpio[1]);
- return *gpio;
+ return n;
}
EXPORT_SYMBOL(of_gpio_simple_xlate);
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