修改led为gpio

hc

2024-10-12 a5969cabbb4660eab42b6ef0412cbbd1200cf14d

 kernel/arch/arc/kernel/unwind.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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  * Copyright (C) 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
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  * Copyright (C) 2002-2006 Novell, Inc.
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  *	Jan Beulich <jbeulich@novell.com>
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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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  * A simple API for unwinding kernel stacks.  This is used for
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  * debugging and error reporting purposes.  The kernel doesn't need
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@@ -15,7 +12,7 @@
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 #include <linux/sched.h>
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 #include <linux/module.h>
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-#include <linux/bootmem.h>
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+#include <linux/memblock.h>
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 #include <linux/sort.h>
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 #include <linux/slab.h>
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 #include <linux/stop_machine.h>
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@@ -45,10 +42,10 @@
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 #define EXTRA_INFO(f) { \
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 		BUILD_BUG_ON_ZERO(offsetof(struct unwind_frame_info, f) \
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-				% FIELD_SIZEOF(struct unwind_frame_info, f)) \
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+				% sizeof_field(struct unwind_frame_info, f)) \
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 				+ offsetof(struct unwind_frame_info, f) \
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-				/ FIELD_SIZEOF(struct unwind_frame_info, f), \
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-				FIELD_SIZEOF(struct unwind_frame_info, f) \
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+				/ sizeof_field(struct unwind_frame_info, f), \
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+				sizeof_field(struct unwind_frame_info, f) \
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 	}
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 #define PTREGS_INFO(f) EXTRA_INFO(regs.f)
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@@ -181,8 +178,7 @@
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  */
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 static void *__init unw_hdr_alloc_early(unsigned long sz)
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 {
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-	return __alloc_bootmem_nopanic(sz, sizeof(unsigned int),
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-				       MAX_DMA_ADDRESS);
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+	return memblock_alloc_from(sz, sizeof(unsigned int), MAX_DMA_ADDRESS);
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 }
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 static void init_unwind_table(struct unwind_table *table, const char *name,
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@@ -576,6 +572,7 @@
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 #else
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 		BUILD_BUG_ON(sizeof(u32) != sizeof(value));
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 #endif
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+		fallthrough;
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 	case DW_EH_PE_native:
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 		if (end < (const void *)(ptr.pul + 1))
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 			return 0;
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@@ -830,7 +827,7 @@
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 			case DW_CFA_def_cfa:
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 				state->cfa.reg = get_uleb128(&ptr.p8, end);
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 				unw_debug("cfa_def_cfa: r%lu ", state->cfa.reg);
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-				/*nobreak*/
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+				fallthrough;
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 			case DW_CFA_def_cfa_offset:
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 				state->cfa.offs = get_uleb128(&ptr.p8, end);
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 				unw_debug("cfa_def_cfa_offset: 0x%lx ",
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@@ -838,7 +835,7 @@
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 				break;
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 			case DW_CFA_def_cfa_sf:
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 				state->cfa.reg = get_uleb128(&ptr.p8, end);
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-				/*nobreak */
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+				fallthrough;
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 			case DW_CFA_def_cfa_offset_sf:
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 				state->cfa.offs = get_sleb128(&ptr.p8, end)
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 				    * state->dataAlign;
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@@ -1181,11 +1178,9 @@
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 #endif
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 	/* update frame */
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-#ifndef CONFIG_AS_CFI_SIGNAL_FRAME
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 	if (frame->call_frame
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 	    && !UNW_DEFAULT_RA(state.regs[retAddrReg], state.dataAlign))
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 		frame->call_frame = 0;
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-#endif
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 	cfa = FRAME_REG(state.cfa.reg, unsigned long) + state.cfa.offs;
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 	startLoc = min_t(unsigned long, UNW_SP(frame), cfa);
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 	endLoc = max_t(unsigned long, UNW_SP(frame), cfa);