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path: root/drivers/gpio/gpiolib-of.c
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Diffstat (limited to 'drivers/gpio/gpiolib-of.c')
-rw-r--r--drivers/gpio/gpiolib-of.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 8b9c3ab70f6e..6a3ec575a404 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -120,7 +120,8 @@ static void of_gpio_flags_quirks(struct device_node *np,
120 * to determine if the flags should have inverted semantics. 120 * to determine if the flags should have inverted semantics.
121 */ 121 */
122 if (IS_ENABLED(CONFIG_SPI_MASTER) && 122 if (IS_ENABLED(CONFIG_SPI_MASTER) &&
123 of_property_read_bool(np, "cs-gpios")) { 123 of_property_read_bool(np, "cs-gpios") &&
124 !strcmp(propname, "cs-gpios")) {
124 struct device_node *child; 125 struct device_node *child;
125 u32 cs; 126 u32 cs;
126 int ret; 127 int ret;
@@ -142,16 +143,16 @@ static void of_gpio_flags_quirks(struct device_node *np,
142 * conflict and the "spi-cs-high" flag will 143 * conflict and the "spi-cs-high" flag will
143 * take precedence. 144 * take precedence.
144 */ 145 */
145 if (of_property_read_bool(np, "spi-cs-high")) { 146 if (of_property_read_bool(child, "spi-cs-high")) {
146 if (*flags & OF_GPIO_ACTIVE_LOW) { 147 if (*flags & OF_GPIO_ACTIVE_LOW) {
147 pr_warn("%s GPIO handle specifies active low - ignored\n", 148 pr_warn("%s GPIO handle specifies active low - ignored\n",
148 of_node_full_name(np)); 149 of_node_full_name(child));
149 *flags &= ~OF_GPIO_ACTIVE_LOW; 150 *flags &= ~OF_GPIO_ACTIVE_LOW;
150 } 151 }
151 } else { 152 } else {
152 if (!(*flags & OF_GPIO_ACTIVE_LOW)) 153 if (!(*flags & OF_GPIO_ACTIVE_LOW))
153 pr_info("%s enforce active low on chipselect handle\n", 154 pr_info("%s enforce active low on chipselect handle\n",
154 of_node_full_name(np)); 155 of_node_full_name(child));
155 *flags |= OF_GPIO_ACTIVE_LOW; 156 *flags |= OF_GPIO_ACTIVE_LOW;
156 } 157 }
157 break; 158 break;
@@ -717,7 +718,13 @@ int of_gpiochip_add(struct gpio_chip *chip)
717 718
718 of_node_get(chip->of_node); 719 of_node_get(chip->of_node);
719 720
720 return of_gpiochip_scan_gpios(chip); 721 status = of_gpiochip_scan_gpios(chip);
722 if (status) {
723 of_node_put(chip->of_node);
724 gpiochip_remove_pin_ranges(chip);
725 }
726
727 return status;
721} 728}
722 729
723void of_gpiochip_remove(struct gpio_chip *chip) 730void of_gpiochip_remove(struct gpio_chip *chip)