Messages in this thread Patch in this message | | | From | Ricardo Ribalda Delgado <> | Subject | [PATCH 5/8] gpio/gpio-mm-lantiq: Use of_mm_gpiochip_remove | Date | Sun, 18 Jan 2015 12:39:30 +0100 |
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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: Linus Walleij <linus.walleij@linaro.org> Cc: Alexandre Courbot <gnurou@gmail.com> Cc: John Crispin <blogic@openwrt.org> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> --- drivers/gpio/gpio-mm-lantiq.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)
diff --git a/drivers/gpio/gpio-mm-lantiq.c b/drivers/gpio/gpio-mm-lantiq.c index b511a6b..082c1d5 100644 --- a/drivers/gpio/gpio-mm-lantiq.c +++ b/drivers/gpio/gpio-mm-lantiq.c @@ -110,6 +110,8 @@ 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; @@ -122,6 +124,15 @@ 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" }, {}, @@ -130,6 +141,7 @@ 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, @@ -142,3 +154,9 @@ static int __init ltq_mm_init(void) } subsys_initcall(ltq_mm_init); + +static void __exit ltq_mm_exit(void) +{ + platform_driver_unregister(<q_mm_driver); +} +module_exit(ltq_mm_exit); -- 2.1.4
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