[PATCH] gpio: zynq: add missing module_exit function

[Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>]

This driver is tristate, so it should be cleanable.

Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---

 drivers/gpio/gpio-zynq.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 184c4b1..1d38da7 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -722,6 +722,12 @@ static int __init zynq_gpio_init(void)
 }
 postcore_initcall(zynq_gpio_init);
 
+static void __exit zynq_gpio_exit(void)
+{
+	platform_driver_unregister(&zynq_gpio_driver);
+}
+module_exit(zynq_gpio_exit);
+
 MODULE_AUTHOR("Xilinx Inc.");
 MODULE_DESCRIPTION("Zynq GPIO driver");
 MODULE_LICENSE("GPL");
-- 
1.9.1

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