-
-/* find the write protect gpio for a given slot; or -1 if none specified */
-static int dw_mci_of_get_wp_gpio(struct device *dev, u8 slot)
-{
- struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
- int gpio;
-
- if (!np)
- return -EINVAL;
-
- gpio = of_get_named_gpio(np, "wp-gpios", 0);
-
- /* Having a missing entry is valid; return silently */
- if (!gpio_is_valid(gpio))
- return -EINVAL;
-
- if (devm_gpio_request(dev, gpio, "dw-mci-wp")) {
- dev_warn(dev, "gpio [%d] request failed\n", gpio);
- return -EINVAL;
- }
-
- return gpio;
-}
-
-/* find the cd gpio for a given slot */
-static void dw_mci_of_get_cd_gpio(struct device *dev, u8 slot,
- struct mmc_host *mmc)
-{
- struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
- int gpio;
-
- if (!np)
- return;
-
- gpio = of_get_named_gpio(np, "cd-gpios", 0);
-
- /* Having a missing entry is valid; return silently */
- if (!gpio_is_valid(gpio))
- return;
-
- if (mmc_gpio_request_cd(mmc, gpio, 0))
- dev_warn(dev, "gpio [%d] request failed\n", gpio);
-}