add stmac read mac form eeprom

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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/arch/arm64/mm/flush.c
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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/mm/flush.c
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  *
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  * Copyright (C) 1995-2002 Russell King
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  * Copyright (C) 2012 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/export.h>
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@@ -66,9 +55,10 @@
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 {
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 	struct page *page = pte_page(pte);
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-	if (!test_and_set_bit(PG_dcache_clean, &page->flags))
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-		sync_icache_aliases(page_address(page),
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-				    PAGE_SIZE << compound_order(page));
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+	if (!test_bit(PG_dcache_clean, &page->flags)) {
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+		sync_icache_aliases(page_address(page), page_size(page));
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+		set_bit(PG_dcache_clean, &page->flags);
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+	}
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 }
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 EXPORT_SYMBOL_GPL(__sync_icache_dcache);
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@@ -87,7 +77,6 @@
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 /*
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  * Additional functions defined in assembly.
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  */
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-EXPORT_SYMBOL(flush_cache_all);
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 EXPORT_SYMBOL(__flush_icache_range);
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 #ifdef CONFIG_ARCH_HAS_PMEM_API