diff options
Diffstat (limited to 'drivers/mfd/mxs-lradc.c')
| -rw-r--r-- | drivers/mfd/mxs-lradc.c | 32 |
1 files changed, 9 insertions, 23 deletions
diff --git a/drivers/mfd/mxs-lradc.c b/drivers/mfd/mxs-lradc.c index 630bd19b2c0a..64afc7631790 100644 --- a/drivers/mfd/mxs-lradc.c +++ b/drivers/mfd/mxs-lradc.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Freescale MXS Low Resolution Analog-to-Digital Converter driver * @@ -7,16 +8,6 @@ * Authors: * Marek Vasut <marex@denx.de> * Ksenija Stanojevic <ksenija.stanojevic@gmail.com> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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/clk.h> @@ -25,8 +16,8 @@ #include <linux/mfd/mxs-lradc.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/slab.h> #define ADC_CELL 0 @@ -134,7 +125,6 @@ MODULE_DEVICE_TABLE(of, mxs_lradc_dt_ids); static int mxs_lradc_probe(struct platform_device *pdev) { - const struct of_device_id *of_id; struct device *dev = &pdev->dev; struct device_node *node = dev->of_node; struct mxs_lradc *lradc; @@ -147,11 +137,7 @@ static int mxs_lradc_probe(struct platform_device *pdev) if (!lradc) return -ENOMEM; - of_id = of_match_device(mxs_lradc_dt_ids, &pdev->dev); - if (!of_id) - return -EINVAL; - - lradc->soc = (enum mxs_lradc_id)of_id->data; + lradc->soc = (kernel_ulong_t)device_get_match_data(&pdev->dev); lradc->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(lradc->clk)) { @@ -181,7 +167,7 @@ static int mxs_lradc_probe(struct platform_device *pdev) MXS_LRADC_TOUCHSCREEN_5WIRE; break; } - /* fall through to an error message for i.MX23 */ + fallthrough; /* to an error message for i.MX23 */ default: dev_err(&pdev->dev, "Unsupported number of touchscreen wires (%d)\n" @@ -196,8 +182,10 @@ static int mxs_lradc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, lradc); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -ENOMEM; + if (!res) { + ret = -ENOMEM; + goto err_clk; + } switch (lradc->soc) { case IMX23_LRADC: @@ -242,13 +230,11 @@ err_clk: return ret; } -static int mxs_lradc_remove(struct platform_device *pdev) +static void mxs_lradc_remove(struct platform_device *pdev) { struct mxs_lradc *lradc = platform_get_drvdata(pdev); clk_disable_unprepare(lradc->clk); - - return 0; } static struct platform_driver mxs_lradc_driver = { |