On 03/21/2018 11:58 AM, Stephen Boyd wrote:
+static int msm_gpio_init_valid_mask(struct gpio_chip *chip,
+ struct msm_pinctrl *pctrl)
+{
+ int ret;
+ unsigned int len, i;
+ unsigned int max_gpios = pctrl->soc->ngpios;
+
+ /* The number of GPIOs in the ACPI tables */
+ ret = device_property_read_u16_array(pctrl->dev, "gpios", NULL, 0);
+ if (ret > 0 && ret < max_gpios) {
This needs to be ret <= max_gpios, otherwise it will fail if every GPIO
is available.
And it should print an error message and return an error code if ret >
max_gpios.
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