Re: [PATCH 07/36] extcon: convert extcon_class to use dev_groups

From: Chanwoo Choi
Date: Wed Jul 24 2013 - 19:53:55 EST


On 07/25/2013 07:05 AM, Greg Kroah-Hartman wrote:
> The dev_attrs field of struct class is going away soon, dev_groups
> should be used instead. This converts the extcon_class code to use the
> correct field.
>
> Cc: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx>
> Cc: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> ---
> MyungJoo, feel free to apply this to your tree, or ACK it and I can take it
> through mine.
>
> drivers/extcon/extcon-class.c | 13 ++++++++-----
> 1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
> index 18ccadef..022ca369 100644
> --- a/drivers/extcon/extcon-class.c
> +++ b/drivers/extcon/extcon-class.c
> @@ -148,6 +148,7 @@ static ssize_t state_store(struct device *dev, struct device_attribute *attr,
>
> return count;
> }
> +static DEVICE_ATTR_RW(state);
>
> static ssize_t name_show(struct device *dev, struct device_attribute *attr,
> char *buf)
> @@ -163,6 +164,7 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr,
>
> return sprintf(buf, "%s\n", dev_name(edev->dev));
> }
> +static DEVICE_ATTR_RO(name);
>
> static ssize_t cable_name_show(struct device *dev,
> struct device_attribute *attr, char *buf)
> @@ -527,11 +529,12 @@ int extcon_unregister_notifier(struct extcon_dev *edev,
> }
> EXPORT_SYMBOL_GPL(extcon_unregister_notifier);
>
> -static struct device_attribute extcon_attrs[] = {
> - __ATTR(state, S_IRUGO | S_IWUSR, state_show, state_store),
> - __ATTR_RO(name),
> - __ATTR_NULL,
> +static struct attribute *extcon_attrs[] = {
> + &dev_attr_state.attr,
> + &dev_attr_name.attr,
> + NULL,
> };
> +ATTRIBUTE_GROUPS(extcon);
>
> static int create_extcon_class(void)
> {
> @@ -539,7 +542,7 @@ static int create_extcon_class(void)
> extcon_class = class_create(THIS_MODULE, "extcon");
> if (IS_ERR(extcon_class))
> return PTR_ERR(extcon_class);
> - extcon_class->dev_attrs = extcon_attrs;
> + extcon_class->dev_groups = extcon_groups;
>
> #if defined(CONFIG_ANDROID)
> switch_class = class_compat_register("switch");
>

Looks good to me. I tested this patch.

Acked-by: Chanwoo Choi<cw00.choi@xxxxxxxxxxx>

Thanks,
Chanwoo Choi
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