A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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gpio: fix wrong checking condition for gpio range

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If index++ calculates from 0, the checking condition of "while
(index++)" fails & it doesn't check any more. It doesn't follow
the loop that used at here.

Replace it by endless loop at here. Then it keeps parsing
"gpio-ranges" property until it ends.

Signed-off-by: Haojian Zhuang <[email protected]>
Reviewed-by: Linus Walleij <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
This commit is contained in:
Haojian Zhuang 2013-02-17 19:42:48 +08:00 • committed by Linus Walleij
commit ad4e1a7caf
1 changed files with 2 additions and 3 deletions
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5
drivers/gpio/gpiolib-of.c
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@ -193,7 +193,7 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip)
if (!np)
return;
do {
for (;; index++) {
ret = of_parse_phandle_with_args(np, "gpio-ranges",
"#gpio-range-cells", index, &pinspec);
if (ret)
@ -222,8 +222,7 @@ static void of_gpiochip_add_pin_range(struct gpio_chip *chip)
if (ret)
break;
} while (index++);
}
}
#else