diff options
Diffstat (limited to 'drivers/input/touchscreen/88pm860x-ts.c')
| -rw-r--r-- | drivers/input/touchscreen/88pm860x-ts.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/input/touchscreen/88pm860x-ts.c b/drivers/input/touchscreen/88pm860x-ts.c index 7ed828a51f4c..0468ce2b216f 100644 --- a/drivers/input/touchscreen/88pm860x-ts.c +++ b/drivers/input/touchscreen/88pm860x-ts.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Touchscreen driver for Marvell 88PM860x * * Copyright (C) 2009 Marvell International Ltd. * Haojian Zhuang <haojian.zhuang@marvell.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. */ #include <linux/kernel.h> #include <linux/module.h> @@ -120,13 +117,14 @@ static int pm860x_touch_dt_init(struct platform_device *pdev, struct pm860x_chip *chip, int *res_x) { - struct device_node *np = pdev->dev.parent->of_node; struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \ : chip->companion; int data, n, ret; - if (!np) + if (!pdev->dev.parent->of_node) return -ENODEV; - np = of_find_node_by_name(np, "touch"); + + struct device_node *np __free(device_node) = + of_get_child_by_name(pdev->dev.parent->of_node, "touch"); if (!np) { dev_err(&pdev->dev, "Can't find touch node\n"); return -EINVAL; @@ -164,6 +162,7 @@ static int pm860x_touch_dt_init(struct platform_device *pdev, return -EINVAL; } of_property_read_u32(np, "marvell,88pm860x-resistor-X", res_x); + return 0; } #else @@ -180,10 +179,8 @@ static int pm860x_touch_probe(struct platform_device *pdev) int irq, ret, res_x = 0, data = 0; irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "No IRQ resource!\n"); + if (irq < 0) return -EINVAL; - } if (pm860x_touch_dt_init(pdev, chip, &res_x)) { if (pdata) { |