linux-kernel - [PATCH] chrome: Use kobj_to

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Date:   Sat, 26 Sep 2020 15:03:37 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] chrome: Use kobj_to_dev() instead

Use kobj_to_dev() instead of container_of().

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/platform/chrome/cros_ec_sysfs.c | 2 +-
 drivers/platform/chrome/cros_ec_vbc.c   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c
index d45ea5d..a643ea8
--- a/drivers/platform/chrome/cros_ec_sysfs.c
+++ b/drivers/platform/chrome/cros_ec_sysfs.c
@@ -326,7 +326,7 @@ static struct attribute *__ec_attrs[] = {
 static umode_t cros_ec_ctrl_visible(struct kobject *kobj,
 				    struct attribute *a, int n)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct cros_ec_dev *ec = to_cros_ec_dev(dev);
 
 	if (a == &dev_attr_kb_wake_angle.attr && !ec->has_kb_wake_angle)
diff --git a/drivers/platform/chrome/cros_ec_vbc.c b/drivers/platform/chrome/cros_ec_vbc.c
index 46482d1..f3a70a3
--- a/drivers/platform/chrome/cros_ec_vbc.c
+++ b/drivers/platform/chrome/cros_ec_vbc.c
@@ -17,7 +17,7 @@ static ssize_t vboot_context_read(struct file *filp, struct kobject *kobj,
 				  struct bin_attribute *att, char *buf,
 				  loff_t pos, size_t count)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct cros_ec_dev *ec = to_cros_ec_dev(dev);
 	struct cros_ec_device *ecdev = ec->ec_dev;
 	struct ec_params_vbnvcontext *params;
@@ -57,7 +57,7 @@ static ssize_t vboot_context_write(struct file *filp, struct kobject *kobj,
 				   struct bin_attribute *attr, char *buf,
 				   loff_t pos, size_t count)
 {
-	struct device *dev = container_of(kobj, struct device, kobj);
+	struct device *dev = kobj_to_dev(kobj);
 	struct cros_ec_dev *ec = to_cros_ec_dev(dev);
 	struct cros_ec_device *ecdev = ec->ec_dev;
 	struct ec_params_vbnvcontext *params;
-- 
2.7.4