@@ -123,10 +123,21 @@ static int __devinit i2c_mux_gpio_probe(
for (i = 0; i < pdata->n_gpios; i++) {
ret = gpio_request(gpio_base + pdata->gpios[i], "i2c-mux-gpio");
- if (ret)
+ if (ret) {
+ dev_err(&pdev->dev, "Failed to request GPIO %d\n",
+ pdata->gpios[i]);
goto err_request_gpio;
- gpio_direction_output(gpio_base + pdata->gpios[i],
- initial_state & (1 << i));
+ }
+
+ ret = gpio_direction_output(gpio_base + pdata->gpios[i],
+ initial_state & (1 << i));
+ if (ret) {
+ dev_err(&pdev->dev,
+ "Failed to set direction of GPIO %d to output\n",
+ pdata->gpios[i]);
+ i++; /* gpio_request above succeeded, so must free */
+ goto err_request_gpio;
+ }
}
for (i = 0; i < pdata->n_values; i++) {