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authorRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>2015-01-18 12:39:30 +0100
committerLinus Walleij <linus.walleij@linaro.org>2015-01-20 11:18:51 +0100
commitda2382218c37fe7f8186c20b6b18aba477ec9b19 (patch)
tree99990da5417591ac9c938685026219540882f152
parent68a99b187df3f4675f22a4a3f54c9d7645ab6409 (diff)
downloadlinux-da2382218c37fe7f8186c20b6b18aba477ec9b19.tar.bz2
gpio: gpio-mm-lantiq: Use of_mm_gpiochip_remove
Since d621e8bae5ac9c67 (Create of_mm_gpiochip_remove), there is a counterpart for of_mm_gpiochip_add. This patch implements the remove function of the driver making use of it. Cc: Alexandre Courbot <gnurou@gmail.com> Cc: John Crispin <blogic@openwrt.org> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
-rw-r--r--drivers/gpio/gpio-mm-lantiq.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c
index 95ff180d261e..f67ef2283d64 100644
--- a/drivers/gpio/gpio-mm-lantiq.c
+++ b/drivers/gpio/gpio-mm-lantiq.c
@@ -111,6 +111,8 @@ static int ltq_mm_probe(struct platform_device *pdev)
if (!chip)
return -ENOMEM;
+ platform_set_drvdata(pdev, chip);
+
chip->mmchip.gc.ngpio = 16;
chip->mmchip.gc.direction_output = ltq_mm_dir_out;
chip->mmchip.gc.set = ltq_mm_set;
@@ -123,6 +125,15 @@ static int ltq_mm_probe(struct platform_device *pdev)
return of_mm_gpiochip_add(pdev->dev.of_node, &chip->mmchip);
}
+static int ltq_mm_remove(struct platform_device *pdev)
+{
+ struct ltq_mm *chip = platform_get_drvdata(pdev);
+
+ of_mm_gpiochip_remove(&chip->mmchip);
+
+ return 0;
+}
+
static const struct of_device_id ltq_mm_match[] = {
{ .compatible = "lantiq,gpio-mm" },
{},
@@ -131,6 +142,7 @@ MODULE_DEVICE_TABLE(of, ltq_mm_match);
static struct platform_driver ltq_mm_driver = {
.probe = ltq_mm_probe,
+ .remove = ltq_mm_remove,
.driver = {
.name = "gpio-mm-ltq",
.of_match_table = ltq_mm_match,
@@ -143,3 +155,9 @@ static int __init ltq_mm_init(void)
}
subsys_initcall(ltq_mm_init);
+
+static void __exit ltq_mm_exit(void)
+{
+ platform_driver_unregister(&ltq_mm_driver);
+}
+module_exit(ltq_mm_exit);