Re: [PATCH v2 2/6] platform/chrome: cros_ec_sysfs: introduce to_cros_ec_dev define.

From: Andy Shevchenko
Date: Wed Feb 21 2018 - 14:04:37 EST


On Wed, Feb 21, 2018 at 7:07 PM, Enric Balletbo i Serra
<enric.balletbo@xxxxxxxxxxxxx> wrote:
> Add a define to get the cros_ec_dev from device and use it.
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
> ---
> Changes since v1:
> - New in this series. Suggested by Andy Shevchenko.

We have an established tag

Suggested-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

>
> 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)
> --
> 2.16.1
>



--
With Best Regards,
Andy Shevchenko