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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-06-14 19:07:03 +0900 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-06-23 11:07:10 +0200 |
| commit | 3f9547e1c9f06219c5788668ea2f7495d3b13f60 (patch) | |
| tree | 8d96c64399cbbc54508ca247be507b4ed98033c3 | |
| parent | 7e7c059cb50c7c72d5a393b2c34fc57de1b01b55 (diff) | |
| download | linux-3f9547e1c9f06219c5788668ea2f7495d3b13f60.tar.gz linux-3f9547e1c9f06219c5788668ea2f7495d3b13f60.tar.bz2 linux-3f9547e1c9f06219c5788668ea2f7495d3b13f60.zip | |
gpio: of: optimize "gpios" property parsing of of_parse_own_gpio()
Call of_property_read_u32_array() only once rather than iterating
of_property_read_u32_index().
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index d8c36c1bf850..6b866fc4657d 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -140,7 +140,7 @@ static struct gpio_desc *of_parse_own_gpio(struct device_node *np, .flags = &xlate_flags, }; u32 tmp; - int i, ret; + int ret; chip_np = np->parent; if (!chip_np) @@ -159,12 +159,10 @@ static struct gpio_desc *of_parse_own_gpio(struct device_node *np, gg_data.gpiospec.args_count = tmp; gg_data.gpiospec.np = chip_np; - for (i = 0; i < tmp; i++) { - ret = of_property_read_u32_index(np, "gpios", i, - &gg_data.gpiospec.args[i]); - if (ret) - return ERR_PTR(ret); - } + ret = of_property_read_u32_array(np, "gpios", gg_data.gpiospec.args, + tmp); + if (ret) + return ERR_PTR(ret); gpiochip_find(&gg_data, of_gpiochip_find_and_xlate); if (!gg_data.out_gpio) { |