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gpio: pca953x: Fix gpio_base may not default to -1

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If no device tree node existed for a device when CONFIG_OF_GPIO was
defined, then gpio_base would not default to -1.

Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Aaron Sierra 2014-02-07 19:23:04 -06:00 committed by Linus Walleij
parent e73760a605
commit 2b1f597f7f
1 changed files with 2 additions and 1 deletions
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3
drivers/gpio/gpio-pca953x.c
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@ -627,11 +627,12 @@ pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, u32 *invert)
const __be32 *val;
int size;
*gpio_base = -1;
node = client->dev.of_node;
if (node == NULL)
return;
*gpio_base = -1;
val = of_get_property(node, "linux,gpio-base", &size);
WARN(val, "%s: device-tree property 'linux,gpio-base' is deprecated!", __func__);
if (val) {