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authorSrinivas Neeli <srinivas.neeli@xilinx.com>2020-11-12 22:42:25 +0530
committerLinus Walleij <linus.walleij@linaro.org>2020-11-18 08:51:52 +0100
commit0230a41ed6a818675c0166d506c3c9386af20986 (patch)
treebb7afc6411aafd702a0577b8753469fbd15ea110 /drivers/gpio/gpio-xilinx.c
parent65bbe531b54668099783cd687e674b9587c7e56e (diff)
downloadlinux-0230a41ed6a818675c0166d506c3c9386af20986.tar.gz
gpio: gpio-xilinx: Add remove function
Added remove function support.

Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/1605201148-4508-7-git-send-email-srinivas.neeli@xilinx.com
[dropped pm disable call]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/gpio/gpio-xilinx.c')
-rw-r--r--drivers/gpio/gpio-xilinx.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-xilinx.c b/drivers/gpio/gpio-xilinx.c
index 5327457586d7..9f2dfb734832 100644
--- a/drivers/gpio/gpio-xilinx.c
+++ b/drivers/gpio/gpio-xilinx.c
@@ -260,6 +260,23 @@ static void xgpio_save_regs(struct xgpio_instance *chip)
 }
 
 /**
+ * xgpio_remove - Remove method for the GPIO device.
+ * @pdev: pointer to the platform device
+ *
+ * This function remove gpiochips and frees all the allocated resources.
+ *
+ * Return: 0 always
+ */
+static int xgpio_remove(struct platform_device *pdev)
+{
+	struct xgpio_instance *gpio = platform_get_drvdata(pdev);
+
+	clk_disable_unprepare(gpio->clk);
+
+	return 0;
+}
+
+/**
  * xgpio_of_probe - Probe method for the GPIO device.
  * @pdev: pointer to the platform device
  *
@@ -371,6 +388,7 @@ MODULE_DEVICE_TABLE(of, xgpio_of_match);
 
 static struct platform_driver xgpio_plat_driver = {
 	.probe		= xgpio_probe,
+	.remove		= xgpio_remove,
 	.driver		= {
 			.name = "gpio-xilinx",
 			.of_match_table	= xgpio_of_match,