platform/chrome: Use kobj_to_dev() instead of container_of()

Use kobj_to_dev() instead of container_of().

Signed-off-by: Wang Qing <wangqing@vivo.com>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>

diff --git a/drivers/platform/chrome/cros_ec_sysfs.c b/drivers/platform/chrome/cros_ec_sysfs.c
index 9c1e099..f521a5c 100644 (file)
--- a/drivers/platform/chrome/cros_ec_sysfs.c
+++ b/drivers/platform/chrome/cros_ec_sysfs.c
@@ -320,7 +320,7 @@ 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 100644 (file)
--- 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;