modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/arch/ia64/kernel/uncached.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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  * Copyright (C) 2001-2008 Silicon Graphics, Inc.  All rights reserved.
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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 version 2 of the GNU General Public License
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- * as published by the Free Software Foundation.
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  *
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  * A simple uncached page allocator using the generic allocator. This
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  * allocator first utilizes the spare (spill) pages found in the EFI
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@@ -22,12 +19,11 @@
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 #include <linux/nmi.h>
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 #include <linux/genalloc.h>
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 #include <linux/gfp.h>
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+#include <linux/pgtable.h>
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 #include <asm/page.h>
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 #include <asm/pal.h>
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-#include <asm/pgtable.h>
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 #include <linux/atomic.h>
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 #include <asm/tlbflush.h>
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-#include <asm/sn/arch.h>
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 extern void __init efi_memmap_walk_uc(efi_freemem_callback_t, void *);
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@@ -124,18 +120,15 @@
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 	status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
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 	if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) {
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 		atomic_set(&uc_pool->status, 0);
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-		status = smp_call_function(uncached_ipi_visibility, uc_pool, 1);
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-		if (status || atomic_read(&uc_pool->status))
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+		smp_call_function(uncached_ipi_visibility, uc_pool, 1);
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+		if (atomic_read(&uc_pool->status))
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 			goto failed;
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 	} else if (status != PAL_VISIBILITY_OK)
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 		goto failed;
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 	preempt_disable();
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-	if (ia64_platform_is("sn2"))
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-		sn_flush_all_caches(uc_addr, IA64_GRANULE_SIZE);
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-	else
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-		flush_icache_range(uc_addr, uc_addr + IA64_GRANULE_SIZE);
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+	flush_icache_range(uc_addr, uc_addr + IA64_GRANULE_SIZE);
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 	/* flush the just introduced uncached translation from the TLB */
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 	local_flush_tlb_all();
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@@ -146,8 +139,8 @@
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 	if (status != PAL_STATUS_SUCCESS)
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 		goto failed;
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 	atomic_set(&uc_pool->status, 0);
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-	status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 1);
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-	if (status || atomic_read(&uc_pool->status))
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+	smp_call_function(uncached_ipi_mc_drain, uc_pool, 1);
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+	if (atomic_read(&uc_pool->status))
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 		goto failed;
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 	/*