linux-kernel - [PATCH 3/5] pch_phub: use kobj_to

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Message-Id: <208f564841e2276523d7626b23949874e54b311a.1452698603.git.geliangtang@163.com>
Date:	Wed, 13 Jan 2016 23:30:10 +0800
From:	Geliang Tang <geliangtang@....com>
To:	Arnd Bergmann <arnd@...db.de>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Geliang Tang <geliangtang@....com>, linux-kernel@...r.kernel.org
Subject: [PATCH 3/5] pch_phub: use kobj_to_dev()

Use kobj_to_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@....com>
---
 drivers/misc/pch_phub.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/pch_phub.c b/drivers/misc/pch_phub.c
index 9a17a9b..15bb0c8 100644
--- a/drivers/misc/pch_phub.c
+++ b/drivers/misc/pch_phub.c
@@ -503,8 +503,7 @@ static ssize_t pch_phub_bin_read(struct file *filp, struct kobject *kobj,
 	int err;
 	ssize_t rom_size;
 
-	struct pch_phub_reg *chip =
-		dev_get_drvdata(container_of(kobj, struct device, kobj));
+	struct pch_phub_reg *chip = dev_get_drvdata(kobj_to_dev(kobj));
 
 	ret = mutex_lock_interruptible(&pch_phub_mutex);
 	if (ret) {
@@ -567,8 +566,7 @@ static ssize_t pch_phub_bin_write(struct file *filp, struct kobject *kobj,
 	unsigned int addr_offset;
 	int ret;
 	ssize_t rom_size;
-	struct pch_phub_reg *chip =
-		dev_get_drvdata(container_of(kobj, struct device, kobj));
+	struct pch_phub_reg *chip = dev_get_drvdata(kobj_to_dev(kobj));
 
 	ret = mutex_lock_interruptible(&pch_phub_mutex);
 	if (ret)
-- 
2.5.0