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path: root/drivers/input/misc/twl6040-vibra.c
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Diffstat (limited to 'drivers/input/misc/twl6040-vibra.c')
-rw-r--r--drivers/input/misc/twl6040-vibra.c35
1 files changed, 8 insertions, 27 deletions
diff --git a/drivers/input/misc/twl6040-vibra.c b/drivers/input/misc/twl6040-vibra.c
index 15e0d352c4cc..afed9af65bf9 100644
--- a/drivers/input/misc/twl6040-vibra.c
+++ b/drivers/input/misc/twl6040-vibra.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* twl6040-vibra.c - TWL6040 Vibrator driver
*
@@ -9,21 +10,6 @@
* Based on twl4030-vibra.c by Henrik Saari <henrik.saari@nokia.com>
* Felipe Balbi <felipe.balbi@nokia.com>
* Jari Vanhala <ext-javi.vanhala@nokia.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
*/
#include <linux/module.h>
#include <linux/platform_device.h>
@@ -224,7 +210,7 @@ static void twl6040_vibra_close(struct input_dev *input)
twl6040_vibra_disable(info);
}
-static int __maybe_unused twl6040_vibra_suspend(struct device *dev)
+static int twl6040_vibra_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct vibra_info *info = platform_get_drvdata(pdev);
@@ -237,19 +223,19 @@ static int __maybe_unused twl6040_vibra_suspend(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops, twl6040_vibra_suspend, NULL);
+static DEFINE_SIMPLE_DEV_PM_OPS(twl6040_vibra_pm_ops,
+ twl6040_vibra_suspend, NULL);
static int twl6040_vibra_probe(struct platform_device *pdev)
{
struct device *twl6040_core_dev = pdev->dev.parent;
- struct device_node *twl6040_core_node;
struct vibra_info *info;
int vddvibl_uV = 0;
int vddvibr_uV = 0;
int error;
- twl6040_core_node = of_get_child_by_name(twl6040_core_dev->of_node,
- "vibra");
+ struct device_node *twl6040_core_node __free(device_node) =
+ of_get_child_by_name(twl6040_core_dev->of_node, "vibra");
if (!twl6040_core_node) {
dev_err(&pdev->dev, "parent of node is missing?\n");
return -EINVAL;
@@ -257,7 +243,6 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info) {
- of_node_put(twl6040_core_node);
dev_err(&pdev->dev, "couldn't allocate memory\n");
return -ENOMEM;
}
@@ -277,8 +262,6 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
of_property_read_u32(twl6040_core_node, "ti,vddvibl-uV", &vddvibl_uV);
of_property_read_u32(twl6040_core_node, "ti,vddvibr-uV", &vddvibr_uV);
- of_node_put(twl6040_core_node);
-
if ((!info->vibldrv_res && !info->viblmotor_res) ||
(!info->vibrdrv_res && !info->vibrmotor_res)) {
dev_err(info->dev, "invalid vibra driver/motor resistance\n");
@@ -286,10 +269,8 @@ static int twl6040_vibra_probe(struct platform_device *pdev)
}
info->irq = platform_get_irq(pdev, 0);
- if (info->irq < 0) {
- dev_err(info->dev, "invalid irq\n");
+ if (info->irq < 0)
return -EINVAL;
- }
error = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
twl6040_vib_irq_handler,
@@ -370,7 +351,7 @@ static struct platform_driver twl6040_vibra_driver = {
.probe = twl6040_vibra_probe,
.driver = {
.name = "twl6040-vibra",
- .pm = &twl6040_vibra_pm_ops,
+ .pm = pm_sleep_ptr(&twl6040_vibra_pm_ops),
},
};
module_platform_driver(twl6040_vibra_driver);