add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/pinctrl/pinctrl-falcon.c
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@@ -1,16 +1,13 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  linux/drivers/pinctrl/pinmux-falcon.c
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  *  based on linux/drivers/pinctrl/pinmux-pxa910.c
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- *
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- *  This program is free software; you can redistribute it and/or modify it
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- *  under the terms of the GNU General Public License version 2 as published
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- *  by the Free Software Foundation.
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  *
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  *  Copyright (C) 2012 Thomas Langer <thomas.langer@lantiq.com>
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  *  Copyright (C) 2012 John Crispin <john@phrozen.org>
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  */
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-#include <linux/gpio.h>
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+#include <linux/gpio/driver.h>
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 #include <linux/interrupt.h>
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 #include <linux/slab.h>
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 #include <linux/export.h>
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@@ -99,12 +96,8 @@
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 	int i;
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 	for (i = 0; i < len; i++) {
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-		/* strlen("ioXYZ") + 1 = 6 */
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-		char *name = kzalloc(6, GFP_KERNEL);
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-
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-		snprintf(name, 6, "io%d", base + i);
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 		d[i].number = base + i;
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-		d[i].name = name;
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+		d[i].name = kasprintf(GFP_KERNEL, "io%d", base + i);
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 	}
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 	pad_count[bank] = len;
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 }
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@@ -462,12 +455,15 @@
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 		put_device(&ppdev->dev);
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 		if (IS_ERR(falcon_info.clk[*bank])) {
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 			dev_err(&ppdev->dev, "failed to get clock\n");
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+			of_node_put(np);
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 			return PTR_ERR(falcon_info.clk[*bank]);
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 		}
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 		falcon_info.membase[*bank] = devm_ioremap_resource(&pdev->dev,
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 								   &res);
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-		if (IS_ERR(falcon_info.membase[*bank]))
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+		if (IS_ERR(falcon_info.membase[*bank])) {
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+			of_node_put(np);
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 			return PTR_ERR(falcon_info.membase[*bank]);
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+		}
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 		avail = pad_r32(falcon_info.membase[*bank],
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 					LTQ_PADC_AVAIL);