add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/clocksource/em_sti.c
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@@ -1,20 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * Emma Mobile Timer Support - STI
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  *
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  *  Copyright (C) 2012 Magnus Damm
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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
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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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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  */
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 #include <linux/init.h>
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@@ -291,9 +279,7 @@
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 static int em_sti_probe(struct platform_device *pdev)
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 {
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 	struct em_sti_priv *p;
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-	struct resource *res;
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-	int irq;
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-	int ret;
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+	int irq, ret;
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 	p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);
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 	if (p == NULL)
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@@ -303,14 +289,11 @@
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 	platform_set_drvdata(pdev, p);
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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, "failed to get irq\n");
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+	if (irq < 0)
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 		return irq;
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-	}
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 	/* map memory, let base point to the STI instance */
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	p->base = devm_ioremap_resource(&pdev->dev, res);
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+	p->base = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(p->base))
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 		return PTR_ERR(p->base);
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