* [lm-sensors] [RFT][PATCH v2] hwmon: (twl4030-madc-hwmon) Convert to devm_hwmon_device_register_with_
@ 2014-06-14 6:33 Axel Lin
2014-06-14 13:14 ` [lm-sensors] [RFT][PATCH v2] hwmon: (twl4030-madc-hwmon) Convert to devm_hwmon_device_register_w Guenter Roeck
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2014-06-14 6:33 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/twl4030-madc-hwmon.c | 38 ++++++--------------------------------
1 file changed, 6 insertions(+), 32 deletions(-)
diff --git a/drivers/hwmon/twl4030-madc-hwmon.c b/drivers/hwmon/twl4030-madc-hwmon.c
index 6c6d440..9a0e2b8 100644
--- a/drivers/hwmon/twl4030-madc-hwmon.c
+++ b/drivers/hwmon/twl4030-madc-hwmon.c
@@ -74,7 +74,7 @@ static SENSOR_DEVICE_ATTR(in11_input, S_IRUGO, madc_read, NULL, 11);
static SENSOR_DEVICE_ATTR(in12_input, S_IRUGO, madc_read, NULL, 12);
static SENSOR_DEVICE_ATTR(in15_input, S_IRUGO, madc_read, NULL, 15);
-static struct attribute *twl4030_madc_attributes[] = {
+static struct attribute *twl4030_madc_attrs[] = {
&sensor_dev_attr_in0_input.dev_attr.attr,
&sensor_dev_attr_temp1_input.dev_attr.attr,
&sensor_dev_attr_in2_input.dev_attr.attr,
@@ -91,46 +91,20 @@ static struct attribute *twl4030_madc_attributes[] = {
&sensor_dev_attr_in15_input.dev_attr.attr,
NULL
};
-
-static const struct attribute_group twl4030_madc_group = {
- .attrs = twl4030_madc_attributes,
-};
+ATTRIBUTE_GROUPS(twl4030_madc);
static int twl4030_madc_hwmon_probe(struct platform_device *pdev)
{
- int ret;
struct device *hwmon;
- ret = sysfs_create_group(&pdev->dev.kobj, &twl4030_madc_group);
- if (ret)
- goto err_sysfs;
- hwmon = hwmon_device_register(&pdev->dev);
- if (IS_ERR(hwmon)) {
- dev_err(&pdev->dev, "hwmon_device_register failed.\n");
- ret = PTR_ERR(hwmon);
- goto err_reg;
- }
-
- return 0;
-
-err_reg:
- sysfs_remove_group(&pdev->dev.kobj, &twl4030_madc_group);
-err_sysfs:
-
- return ret;
-}
-
-static int twl4030_madc_hwmon_remove(struct platform_device *pdev)
-{
- hwmon_device_unregister(&pdev->dev);
- sysfs_remove_group(&pdev->dev.kobj, &twl4030_madc_group);
-
- return 0;
+ hwmon = devm_hwmon_device_register_with_groups(&pdev->dev,
+ "twl4030_madc", NULL,
+ twl4030_madc_groups);
+ return PTR_ERR_OR_ZERO(hwmon);
}
static struct platform_driver twl4030_madc_hwmon_driver = {
.probe = twl4030_madc_hwmon_probe,
- .remove = twl4030_madc_hwmon_remove,
.driver = {
.name = "twl4030_madc_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 v2] hwmon: (twl4030-madc-hwmon) Convert to devm_hwmon_device_register_w
2014-06-14 6:33 [lm-sensors] [RFT][PATCH v2] hwmon: (twl4030-madc-hwmon) Convert to devm_hwmon_device_register_with_ Axel Lin
@ 2014-06-14 13:14 ` Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2014-06-14 13:14 UTC (permalink / raw)
To: lm-sensors
On 06/13/2014 11:33 PM, 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 correct to me, and makes the driver work, so I'll queue it up for -next.
Guenter
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2014-06-14 6:33 [lm-sensors] [RFT][PATCH v2] hwmon: (twl4030-madc-hwmon) Convert to devm_hwmon_device_register_with_ Axel Lin
2014-06-14 13:14 ` [lm-sensors] [RFT][PATCH v2] hwmon: (twl4030-madc-hwmon) Convert to devm_hwmon_device_register_w Guenter Roeck
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