add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/firewire/core-topology.c
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@@ -1,21 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Incremental bus scan, based on bus topology
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  *
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  * Copyright (C) 2004-2006 Kristian Hoegsberg <krh@bitplanet.net>
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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 as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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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, write to the Free Software Foundation,
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- * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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  */
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 #include <linux/bug.h>
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@@ -67,6 +54,7 @@
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 		switch (port_type) {
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 		case SELFID_PORT_CHILD:
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 			(*child_port_count)++;
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+			fallthrough;
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 		case SELFID_PORT_PARENT:
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 		case SELFID_PORT_NCONN:
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 			(*total_port_count)++;
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@@ -386,16 +374,13 @@
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 	card->bm_retries = 0;
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 }
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+/* Must be called with card->lock held */
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 void fw_destroy_nodes(struct fw_card *card)
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 {
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-	unsigned long flags;
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-
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-	spin_lock_irqsave(&card->lock, flags);
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 	card->color++;
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 	if (card->local_node != NULL)
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 		for_each_fw_node(card, card->local_node, report_lost_node);
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 	card->local_node = NULL;
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-	spin_unlock_irqrestore(&card->lock, flags);
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 }
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 static void move_tree(struct fw_node *node0, struct fw_node *node1, int port)
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@@ -521,6 +506,8 @@
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 	struct fw_node *local_node;
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 	unsigned long flags;
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+	spin_lock_irqsave(&card->lock, flags);
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+
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 	/*
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 	 * If the selfID buffer is not the immediate successor of the
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 	 * previously processed one, we cannot reliably compare the
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@@ -531,8 +518,6 @@
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 		fw_destroy_nodes(card);
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 		card->bm_retries = 0;
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 	}
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-
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-	spin_lock_irqsave(&card->lock, flags);
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 	card->broadcast_channel_allocated = card->broadcast_channel_auto_allocated;
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 	card->node_id = node_id;