mk-rootfs.sh

hc

2023-12-11 072de836f53be56a70cecf70b43ae43b7ce17376

 kernel/drivers/rtc/rtc-sunxi.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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  * An RTC driver for Allwinner A10/A20
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  *
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  * Copyright (c) 2013, Carlo Caione <carlo.caione@gmail.com>
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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, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along
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- * with this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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  */
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 #include <linux/delay.h>
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@@ -435,7 +422,6 @@
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 static int sunxi_rtc_probe(struct platform_device *pdev)
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 {
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 	struct sunxi_rtc_dev *chip;
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-	struct resource *res;
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 	int ret;
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 	chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL);
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@@ -449,16 +435,13 @@
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 	if (IS_ERR(chip->rtc))
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 		return PTR_ERR(chip->rtc);
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	chip->base = devm_ioremap_resource(&pdev->dev, res);
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+	chip->base = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(chip->base))
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 		return PTR_ERR(chip->base);
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 	chip->irq = platform_get_irq(pdev, 0);
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-	if (chip->irq < 0) {
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-		dev_err(&pdev->dev, "No IRQ resource\n");
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+	if (chip->irq < 0)
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 		return chip->irq;
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-	}
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 	ret = devm_request_irq(&pdev->dev, chip->irq, sunxi_rtc_alarmirq,
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 			0, dev_name(&pdev->dev), chip);
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 	if (ret) {
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@@ -487,15 +470,7 @@
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 	chip->rtc->ops = &sunxi_rtc_ops;
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-	ret = rtc_register_device(chip->rtc);
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-	if (ret) {
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-		dev_err(&pdev->dev, "unable to register device\n");
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-		return ret;
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-	}
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-
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-	dev_info(&pdev->dev, "RTC enabled\n");
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-
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-	return 0;
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+	return rtc_register_device(chip->rtc);
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 }
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 static struct platform_driver sunxi_rtc_driver = {