add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/input/keyboard/pxa930_rotary.c
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@@ -1,9 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Driver for the enhanced rotary controller on pxa930 and pxa935
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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/kernel.h>
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@@ -92,10 +89,8 @@
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 	int err;
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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 for rotary controller\n");
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+	if (irq < 0)
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 		return -ENXIO;
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-	}
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 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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 	if (!res) {
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@@ -112,7 +107,7 @@
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 	if (!r)
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 		return -ENOMEM;
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-	r->mmio_base = ioremap_nocache(res->start, resource_size(res));
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+	r->mmio_base = ioremap(res->start, resource_size(res));
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 	if (r->mmio_base == NULL) {
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 		dev_err(&pdev->dev, "failed to remap IO memory\n");
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 		err = -ENXIO;