Re: [PATCH v2 7/7] Input: axp20x-pek - switch to using devm_device_add_group()

From: Guenter Roeck
Date: Wed Jul 19 2017 - 23:21:46 EST


On 07/19/2017 05:24 PM, Dmitry Torokhov wrote:
Now that we have proper managed API to create device attributes, let's
use it instead of installing a custom devm action.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>

---
drivers/input/misc/axp20x-pek.c | 18 +-----------------
1 file changed, 1 insertion(+), 17 deletions(-)

diff --git a/drivers/input/misc/axp20x-pek.c b/drivers/input/misc/axp20x-pek.c
index 38c79ebff033..cfeb0e943de6 100644
--- a/drivers/input/misc/axp20x-pek.c
+++ b/drivers/input/misc/axp20x-pek.c
@@ -182,13 +182,6 @@ static irqreturn_t axp20x_pek_irq(int irq, void *pwr)
return IRQ_HANDLED;
}
-static void axp20x_remove_sysfs_group(void *_data)
-{
- struct device *dev = _data;
-
- sysfs_remove_group(&dev->kobj, &axp20x_attribute_group);
-}
-
static int axp20x_pek_probe_input_device(struct axp20x_pek *axp20x_pek,
struct platform_device *pdev)
{
@@ -313,22 +306,13 @@ static int axp20x_pek_probe(struct platform_device *pdev)
return error;
}
- error = sysfs_create_group(&pdev->dev.kobj, &axp20x_attribute_group);
+ error = devm_device_add_group(&pdev->dev, &axp20x_attribute_group);
if (error) {
dev_err(&pdev->dev, "Failed to create sysfs attributes: %d\n",
error);
return error;
}
- error = devm_add_action(&pdev->dev,
- axp20x_remove_sysfs_group, &pdev->dev);
- if (error) {
- axp20x_remove_sysfs_group(&pdev->dev);
- dev_err(&pdev->dev, "Failed to add sysfs cleanup action: %d\n",
- error);
- return error;
- }
-
platform_set_drvdata(pdev, axp20x_pek);
return 0;