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SubjectRe: [PATCH 2/3] watchdog: ziirave: Use watchdog infrastructure to create sysfs attributes


On 03/01/16 23:11, Guenter Roeck wrote:
> The watchdog core now supports creating driver specific sysfs attributes
> when creating the watchdog device.
>
> Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Acked-by: Martyn Welch <martyn.welch@collabora.co.uk>

(Sorry for the delayed response, this email got caught by my spam filtering)

> ---
> drivers/watchdog/ziirave_wdt.c | 20 +++-----------------
> 1 file changed, 3 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/watchdog/ziirave_wdt.c b/drivers/watchdog/ziirave_wdt.c
> index b498fdcc231a..0c7cb7302cf0 100644
> --- a/drivers/watchdog/ziirave_wdt.c
> +++ b/drivers/watchdog/ziirave_wdt.c
> @@ -207,10 +207,7 @@ static struct attribute *ziirave_wdt_attrs[] = {
> &dev_attr_reset_reason.attr,
> NULL
> };
> -
> -static const struct attribute_group ziirave_wdt_sysfs_files = {
> - .attrs = ziirave_wdt_attrs,
> -};
> +ATTRIBUTE_GROUPS(ziirave_wdt);
>
> static int ziirave_wdt_init_duration(struct i2c_client *client)
> {
> @@ -260,6 +257,7 @@ static int ziirave_wdt_probe(struct i2c_client *client,
> w_priv->wdd.min_timeout = ZIIRAVE_TIMEOUT_MIN;
> w_priv->wdd.max_timeout = ZIIRAVE_TIMEOUT_MAX;
> w_priv->wdd.parent = &client->dev;
> + w_priv->wdd.groups = ziirave_wdt_groups;
>
> ret = watchdog_init_timeout(&w_priv->wdd, wdt_timeout, &client->dev);
> if (ret) {
> @@ -327,26 +325,14 @@ static int ziirave_wdt_probe(struct i2c_client *client,
> return -ENODEV;
>
> ret = watchdog_register_device(&w_priv->wdd);
> - if (ret)
> - return ret;
> -
> - ret = sysfs_create_group(&w_priv->wdd.dev->kobj,
> - &ziirave_wdt_sysfs_files);
> - if (ret) {
> - watchdog_unregister_device(&w_priv->wdd);
>
> - return ret;
> - }
> -
> - return 0;
> + return ret;
> }
>
> static int ziirave_wdt_remove(struct i2c_client *client)
> {
> struct ziirave_wdt_data *w_priv = i2c_get_clientdata(client);
>
> - sysfs_remove_group(&client->dev.kobj, &ziirave_wdt_sysfs_files);
> -
> watchdog_unregister_device(&w_priv->wdd);
>
> return 0;
>

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