disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/iio/adc/vf610_adc.c
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@@ -1,21 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Freescale Vybrid vf610 ADC driver
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  *
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  * Copyright 2013 Freescale Semiconductor, Inc.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to the Free Software
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- *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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  */
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 #include <linux/module.h>
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@@ -741,12 +728,7 @@
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 {
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 	struct vf610_adc *info = iio_priv(indio_dev);
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 	unsigned int channel;
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-	int ret;
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 	int val;
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-
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-	ret = iio_triggered_buffer_postenable(indio_dev);
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-	if (ret)
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-		return ret;
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 	val = readl(info->regs + VF610_REG_ADC_GC);
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 	val |= VF610_ADC_ADCON;
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@@ -778,7 +760,7 @@
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 	writel(hc_cfg, info->regs + VF610_REG_ADC_HC0);
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-	return iio_triggered_buffer_predisable(indio_dev);
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+	return 0;
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 }
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 static const struct iio_buffer_setup_ops iio_triggered_buffer_setup_ops = {
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@@ -819,7 +801,6 @@
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 {
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 	struct vf610_adc *info;
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 	struct iio_dev *indio_dev;
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-	struct resource *mem;
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 	int irq;
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 	int ret;
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@@ -832,16 +813,13 @@
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 	info = iio_priv(indio_dev);
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 	info->dev = &pdev->dev;
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-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	info->regs = devm_ioremap_resource(&pdev->dev, mem);
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+	info->regs = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(info->regs))
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 		return PTR_ERR(info->regs);
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 	irq = platform_get_irq(pdev, 0);
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-	if (irq < 0) {
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-		dev_err(&pdev->dev, "no irq resource?\n");
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+	if (irq < 0)
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 		return irq;
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-	}
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 	ret = devm_request_irq(info->dev, irq,
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 				vf610_adc_isr, 0,
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@@ -881,8 +859,6 @@
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 	init_completion(&info->completion);
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 	indio_dev->name = dev_name(&pdev->dev);
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-	indio_dev->dev.parent = &pdev->dev;
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-	indio_dev->dev.of_node = pdev->dev.of_node;
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 	indio_dev->info = &vf610_adc_iio_info;
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 	indio_dev->modes = INDIO_DIRECT_MODE;
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 	indio_dev->channels = vf610_adc_iio_channels;