From e9d62698e8e5228638093c48783eb9dda788f1c3 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 10 Aug 2009 09:05:13 +0300 Subject: regulator: userspace: use sysfs_create_group and avoid introducing our own loops for creating several sysfs entries. Signed-off-by: Felipe Balbi Acked-by: Mark Brown Acked-by: Mike Rapoport Signed-off-by: Liam Girdwood --- drivers/regulator/userspace-consumer.c | 45 +++++++++++++++++----------------- 1 file changed, 23 insertions(+), 22 deletions(-) (limited to 'drivers/regulator') diff --git a/drivers/regulator/userspace-consumer.c b/drivers/regulator/userspace-consumer.c index 06d2fa96a8b4..44917da4ac97 100644 --- a/drivers/regulator/userspace-consumer.c +++ b/drivers/regulator/userspace-consumer.c @@ -93,16 +93,21 @@ static ssize_t reg_set_state(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(name, 0444, reg_show_name, NULL); static DEVICE_ATTR(state, 0644, reg_show_state, reg_set_state); -static struct device_attribute *attributes[] = { - &dev_attr_name, - &dev_attr_state, +static struct attribute *attributes[] = { + &dev_attr_name.attr, + &dev_attr_state.attr, + NULL, +}; + +static const struct attribute_group attr_group = { + .attrs = attributes, }; static int regulator_userspace_consumer_probe(struct platform_device *pdev) { struct regulator_userspace_consumer_data *pdata; struct userspace_consumer_data *drvdata; - int ret, i; + int ret; pdata = pdev->dev.platform_data; if (!pdata) @@ -125,31 +130,29 @@ static int regulator_userspace_consumer_probe(struct platform_device *pdev) goto err_alloc_supplies; } - for (i = 0; i < ARRAY_SIZE(attributes); i++) { - ret = device_create_file(&pdev->dev, attributes[i]); - if (ret != 0) - goto err_create_attrs; - } + ret = sysfs_create_group(&pdev->dev.kobj, &attr_group); + if (ret != 0) + goto err_create_attrs; - if (pdata->init_on) + if (pdata->init_on) { ret = regulator_bulk_enable(drvdata->num_supplies, drvdata->supplies); - - drvdata->enabled = pdata->init_on; - - if (ret) { - dev_err(&pdev->dev, "Failed to set initial state: %d\n", ret); - goto err_create_attrs; + if (ret) { + dev_err(&pdev->dev, + "Failed to set initial state: %d\n", ret); + goto err_enable; + } } + drvdata->enabled = pdata->init_on; platform_set_drvdata(pdev, drvdata); return 0; -err_create_attrs: - for (i = 0; i < ARRAY_SIZE(attributes); i++) - device_remove_file(&pdev->dev, attributes[i]); +err_enable: + sysfs_remove_group(&pdev->dev.kobj, &attr_group); +err_create_attrs: regulator_bulk_free(drvdata->num_supplies, drvdata->supplies); err_alloc_supplies: @@ -160,10 +163,8 @@ err_alloc_supplies: static int regulator_userspace_consumer_remove(struct platform_device *pdev) { struct userspace_consumer_data *data = platform_get_drvdata(pdev); - int i; - for (i = 0; i < ARRAY_SIZE(attributes); i++) - device_remove_file(&pdev->dev, attributes[i]); + sysfs_remove_group(&pdev->dev.kobj, &attr_group); if (data->enabled) regulator_bulk_disable(data->num_supplies, data->supplies); -- cgit v1.2.1