diff options
Diffstat (limited to 'drivers/gpio/pca953x.c')
| -rw-r--r-- | drivers/gpio/pca953x.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c index b473429eee75..2fc25dec7cf5 100644 --- a/drivers/gpio/pca953x.c +++ b/drivers/gpio/pca953x.c @@ -462,7 +462,8 @@ pca953x_get_alt_pdata(struct i2c_client *client) { struct pca953x_platform_data *pdata; struct device_node *node; - const uint16_t *val; + const __be32 *val; + int size; node = client->dev.of_node; if (node == NULL) @@ -475,13 +476,13 @@ pca953x_get_alt_pdata(struct i2c_client *client) } pdata->gpio_base = -1; - val = of_get_property(node, "linux,gpio-base", NULL); + val = of_get_property(node, "linux,gpio-base", &size); if (val) { - if (*val < 0) - dev_warn(&client->dev, - "invalid gpio-base in device tree\n"); + if (size != sizeof(*val)) + dev_warn(&client->dev, "%s: wrong linux,gpio-base\n", + node->full_name); else - pdata->gpio_base = *val; + pdata->gpio_base = be32_to_cpup(val); } val = of_get_property(node, "polarity", NULL); |