修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/arm64/lib/strchr.S
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@@ -1,20 +1,9 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Based on arch/arm/lib/strchr.S
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  *
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  * Copyright (C) 1995-2000 Russell King
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  * Copyright (C) 2013 ARM Ltd.
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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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- * 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, see <http://www.gnu.org/licenses/>.
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  */
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 #include <linux/linkage.h>
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@@ -29,7 +18,7 @@
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  * Returns:
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  *	x0 - address of first occurrence of 'c' or 0
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  */
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-WEAK(strchr)
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+SYM_FUNC_START_WEAK(strchr)
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 	and	w1, w1, #0xff
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 1:	ldrb	w2, [x0], #1
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 	cmp	w2, w1
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@@ -39,4 +28,5 @@
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 	cmp	w2, w1
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 	csel	x0, x0, xzr, eq
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 	ret
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-ENDPROC(strchr)
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+SYM_FUNC_END(strchr)
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+EXPORT_SYMBOL_NOKASAN(strchr)