add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/misc/atmel-ssc.c
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@@ -1,11 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Atmel SSC driver
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  *
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  * Copyright (C) 2007 Atmel Corporation
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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 version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/platform_device.h>
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@@ -235,9 +232,9 @@
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 	clk_disable_unprepare(ssc->clk);
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 	ssc->irq = platform_get_irq(pdev, 0);
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-	if (!ssc->irq) {
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+	if (ssc->irq < 0) {
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 		dev_dbg(&pdev->dev, "could not get irq\n");
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-		return -ENXIO;
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+		return ssc->irq;
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 	}
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 	mutex_lock(&user_lock);