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extcon: Modify the device name as extcon[X] for sysfs

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This patch modify the device name as extcon[X] for sysfs by using the 'extcon'
prefix word instead of separate device name. On user-space aspect, user would
find the some extcon drvier with extcon[X] pattern. So, this patch modify the
device name as following:
- /sys/class/extcon/[device name] -> /sys/class/extcon/extcon[X]

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Chanwoo Choi 2015-04-15 15:02:01 +09:00
parent f03123783d
commit 71c3ffa5d2
1 changed files with 5 additions and 3 deletions
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8
drivers/extcon/extcon.c
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@ -163,7 +163,7 @@ static ssize_t name_show(struct device *dev, struct device_attribute *attr,
return ret;
}
return sprintf(buf, "%s\n", dev_name(&edev->dev));
return sprintf(buf, "%s\n", edev->name);
}
static DEVICE_ATTR_RO(name);
@ -701,6 +701,7 @@ EXPORT_SYMBOL_GPL(devm_extcon_dev_free);
int extcon_dev_register(struct extcon_dev *edev)
{
int ret, index = 0;
static atomic_t edev_no = ATOMIC_INIT(-1);
if (!extcon_class) {
ret = create_extcon_class();
@ -725,13 +726,14 @@ int extcon_dev_register(struct extcon_dev *edev)
edev->dev.class = extcon_class;
edev->dev.release = extcon_dev_release;
edev->name = edev->name ? edev->name : dev_name(edev->dev.parent);
edev->name = dev_name(edev->dev.parent);
if (IS_ERR_OR_NULL(edev->name)) {
dev_err(&edev->dev,
"extcon device name is null\n");
return -EINVAL;
}
dev_set_name(&edev->dev, "%s", edev->name);
dev_set_name(&edev->dev, "extcon%lu",
(unsigned long)atomic_inc_return(&edev_no));
if (edev->max_supported) {
char buf[10];