* [lm-sensors] [RFT][PATCH 2/2] hwmon: (wm8350) Convert to devm_hwmon_device_register_with_groups
@ 2014-06-17 15:12 Axel Lin
2014-06-18 14:37 ` Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2014-06-17 15:12 UTC (permalink / raw)
To: lm-sensors
Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to
simplify the code a bit.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
---
drivers/hwmon/wm8350-hwmon.c | 50 +++++++-------------------------------------
1 file changed, 7 insertions(+), 43 deletions(-)
diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c
index 64bf75c..90e3d91 100644
--- a/drivers/hwmon/wm8350-hwmon.c
+++ b/drivers/hwmon/wm8350-hwmon.c
@@ -28,19 +28,12 @@
#include <linux/mfd/wm8350/core.h>
#include <linux/mfd/wm8350/comparator.h>
-static ssize_t show_name(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- return sprintf(buf, "wm8350\n");
-}
-
static const char * const input_names[] = {
[WM8350_AUXADC_USB] = "USB",
[WM8350_AUXADC_LINE] = "Line",
[WM8350_AUXADC_BATT] = "Battery",
};
-
static ssize_t show_voltage(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -68,15 +61,11 @@ static ssize_t show_label(struct device *dev,
static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label, \
NULL, name)
-static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
-
WM8350_NAMED_VOLTAGE(0, WM8350_AUXADC_USB);
WM8350_NAMED_VOLTAGE(1, WM8350_AUXADC_BATT);
WM8350_NAMED_VOLTAGE(2, WM8350_AUXADC_LINE);
-static struct attribute *wm8350_attributes[] = {
- &dev_attr_name.attr,
-
+static struct attribute *wm8350_attrs[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_in0_label.dev_attr.attr,
&sensor_dev_attr_in1_input.dev_attr.attr,
@@ -87,46 +76,21 @@ static struct attribute *wm8350_attributes[] = {
NULL,
};
-static const struct attribute_group wm8350_attr_group = {
- .attrs = wm8350_attributes,
-};
+ATTRIBUTE_GROUPS(wm8350);
static int wm8350_hwmon_probe(struct platform_device *pdev)
{
struct wm8350 *wm8350 = platform_get_drvdata(pdev);
- int ret;
-
- ret = sysfs_create_group(&pdev->dev.kobj, &wm8350_attr_group);
- if (ret)
- goto err;
-
- wm8350->hwmon.classdev = hwmon_device_register(&pdev->dev);
- if (IS_ERR(wm8350->hwmon.classdev)) {
- ret = PTR_ERR(wm8350->hwmon.classdev);
- goto err_group;
- }
-
- return 0;
-
-err_group:
- sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group);
-err:
- return ret;
-}
-
-static int wm8350_hwmon_remove(struct platform_device *pdev)
-{
- struct wm8350 *wm8350 = platform_get_drvdata(pdev);
-
- hwmon_device_unregister(wm8350->hwmon.classdev);
- sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group);
+ struct device *hwmon_dev;
- return 0;
+ hwmon_dev = devm_hwmon_device_register_with_groups(&pdev->dev, "wm8350",
+ wm8350,
+ wm8350_groups);
+ return PTR_ERR_OR_ZERO(hwmon_dev);
}
static struct platform_driver wm8350_hwmon_driver = {
.probe = wm8350_hwmon_probe,
- .remove = wm8350_hwmon_remove,
.driver = {
.name = "wm8350-hwmon",
.owner = THIS_MODULE,
--
1.8.3.2
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [lm-sensors] [RFT][PATCH 2/2] hwmon: (wm8350) Convert to devm_hwmon_device_register_with_groups
2014-06-17 15:12 [lm-sensors] [RFT][PATCH 2/2] hwmon: (wm8350) Convert to devm_hwmon_device_register_with_groups Axel Lin
@ 2014-06-18 14:37 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2014-06-18 14:37 UTC (permalink / raw)
To: lm-sensors
On 06/17/2014 08:12 AM, Axel Lin wrote:
> Use ATTRIBUTE_GROUPS macro and devm_hwmon_device_register_with_groups() to
> simplify the code a bit.
>
> Signed-off-by: Axel Lin <axel.lin@ingics.com>
> ---
Looks good to me. Applied to -next to get exposure.
Guenter
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lm-sensors@lm-sensors.org
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-06-17 15:12 [lm-sensors] [RFT][PATCH 2/2] hwmon: (wm8350) Convert to devm_hwmon_device_register_with_groups Axel Lin
2014-06-18 14:37 ` Guenter Roeck
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