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Message-ID: <CAPgLHd9u=7j9Bf2CP4_GcwjafmRCd7hwkvaH3ioMpWJ5w5r54A@mail.gmail.com>
Date: Tue, 23 Oct 2012 13:24:09 +0800
From: Wei Yongjun <weiyj.lk@...il.com>
To: jim.cromie@...il.com, arnd@...db.de, gregkh@...uxfoundation.org
Cc: yongjun_wei@...ndmicro.com.cn, linux-kernel@...r.kernel.org
Subject: [PATCH] pc8736x_gpio: use platform_device_unregister in pc8736x_gpio_cleanup()
From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
platform_device_unregister() only calls platform_device_del() and
platform_device_put(), thus use platform_device_unregister() to
simplify the code.
Also the documents in platform.c shows that platform_device_del
and platform_device_put must _only_ be externally called in error
cases. All other usage is a bug.
dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)
Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
drivers/char/pc8736x_gpio.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/char/pc8736x_gpio.c b/drivers/char/pc8736x_gpio.c
index b304ec0..3f79a9f 100644
--- a/drivers/char/pc8736x_gpio.c
+++ b/drivers/char/pc8736x_gpio.c
@@ -345,8 +345,7 @@ static void __exit pc8736x_gpio_cleanup(void)
unregister_chrdev_region(MKDEV(major,0), PC8736X_GPIO_CT);
release_region(pc8736x_gpio_base, PC8736X_GPIO_RANGE);
- platform_device_del(pdev);
- platform_device_put(pdev);
+ platform_device_unregister(pdev);
}
module_init(pc8736x_gpio_init);
--
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