[PATCH] gpio: pca953x: Fix gpio_base may not default to -1
From: Aaron Sierra <hidden>
Date: 2014-02-08 01:23:07
Subsystem:
gpio subsystem, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Linus Torvalds
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 <redacted> --- drivers/gpio/gpio-pca953x.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-pca953x.c b/drivers/gpio/gpio-pca953x.c
index 948a074..d550d8e 100644
--- a/drivers/gpio/gpio-pca953x.c
+++ b/drivers/gpio/gpio-pca953x.c@@ -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) {
--
1.7.9.5