Add a define to get the cros_ec_dev from device and use it.

Suggested-by: Andy Shevchenko <[email protected]>
Signed-off-by: Enric Balletbo i Serra <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
---

Changes in v4: None
Changes in v3:
- [2/6] Add Reviewed-by Andy Shevchenko

Changes in v2:
- [2/6] Add a new define to get the cros_ec_dev.

 drivers/platform/chrome/cros_ec_sysfs.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_sysfs.c 
b/drivers/platform/chrome/cros_ec_sysfs.c
index c03621e523a3..85bb9580439e 100644
--- a/drivers/platform/chrome/cros_ec_sysfs.c
+++ b/drivers/platform/chrome/cros_ec_sysfs.c
@@ -34,6 +34,8 @@
 #include <linux/types.h>
 #include <linux/uaccess.h>
 
+#define to_cros_ec_dev(dev)  container_of(dev, struct cros_ec_dev, class_dev)
+
 /* Accessor functions */
 
 static ssize_t show_ec_reboot(struct device *dev,
@@ -70,8 +72,7 @@ static ssize_t store_ec_reboot(struct device *dev,
        int got_cmd = 0, offset = 0;
        int i;
        int ret;
-       struct cros_ec_dev *ec = container_of(dev,
-                                             struct cros_ec_dev, class_dev);
+       struct cros_ec_dev *ec = to_cros_ec_dev(dev);
 
        msg = kmalloc(sizeof(*msg) + sizeof(*param), GFP_KERNEL);
        if (!msg)
@@ -132,8 +133,7 @@ static ssize_t show_ec_version(struct device *dev,
        struct cros_ec_command *msg;
        int ret;
        int count = 0;
-       struct cros_ec_dev *ec = container_of(dev,
-                                             struct cros_ec_dev, class_dev);
+       struct cros_ec_dev *ec = to_cros_ec_dev(dev);
 
        msg = kmalloc(sizeof(*msg) + EC_HOST_PARAM_SIZE, GFP_KERNEL);
        if (!msg)
@@ -231,8 +231,7 @@ static ssize_t show_ec_flashinfo(struct device *dev,
        struct ec_response_flash_info *resp;
        struct cros_ec_command *msg;
        int ret;
-       struct cros_ec_dev *ec = container_of(dev,
-                                             struct cros_ec_dev, class_dev);
+       struct cros_ec_dev *ec = to_cros_ec_dev(dev);
 
        msg = kmalloc(sizeof(*msg) + sizeof(*resp), GFP_KERNEL);
        if (!msg)
-- 
2.16.2

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