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path: root/drivers/input/misc/e3x0-button.c
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Diffstat (limited to 'drivers/input/misc/e3x0-button.c')
-rw-r--r--drivers/input/misc/e3x0-button.c30
1 files changed, 8 insertions, 22 deletions
diff --git a/drivers/input/misc/e3x0-button.c b/drivers/input/misc/e3x0-button.c
index e956cf1d273f..5bd527117470 100644
--- a/drivers/input/misc/e3x0-button.c
+++ b/drivers/input/misc/e3x0-button.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2014, National Instruments Corp. All rights reserved.
*
* Driver for NI Ettus Research USRP E3x0 Button Driver
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * 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.
*/
#include <linux/device.h>
@@ -43,7 +35,7 @@ static irqreturn_t e3x0_button_press_handler(int irq, void *data)
return IRQ_HANDLED;
}
-static int __maybe_unused e3x0_button_suspend(struct device *dev)
+static int e3x0_button_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -53,7 +45,7 @@ static int __maybe_unused e3x0_button_suspend(struct device *dev)
return 0;
}
-static int __maybe_unused e3x0_button_resume(struct device *dev)
+static int e3x0_button_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
@@ -63,8 +55,8 @@ static int __maybe_unused e3x0_button_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(e3x0_button_pm_ops,
- e3x0_button_suspend, e3x0_button_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(e3x0_button_pm_ops,
+ e3x0_button_suspend, e3x0_button_resume);
static int e3x0_button_probe(struct platform_device *pdev)
{
@@ -73,18 +65,12 @@ static int e3x0_button_probe(struct platform_device *pdev)
int error;
irq_press = platform_get_irq_byname(pdev, "press");
- if (irq_press < 0) {
- dev_err(&pdev->dev, "No IRQ for 'press', error=%d\n",
- irq_press);
+ if (irq_press < 0)
return irq_press;
- }
irq_release = platform_get_irq_byname(pdev, "release");
- if (irq_release < 0) {
- dev_err(&pdev->dev, "No IRQ for 'release', error=%d\n",
- irq_release);
+ if (irq_release < 0)
return irq_release;
- }
input = devm_input_allocate_device(&pdev->dev);
if (!input)
@@ -136,7 +122,7 @@ static struct platform_driver e3x0_button_driver = {
.driver = {
.name = "e3x0-button",
.of_match_table = of_match_ptr(e3x0_button_match),
- .pm = &e3x0_button_pm_ops,
+ .pm = pm_sleep_ptr(&e3x0_button_pm_ops),
},
.probe = e3x0_button_probe,
};