gmac get mac form eeprom

hc

2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/arch/powerpc/platforms/ps3/device-init.c
..
..
@@ -1,21 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  *  PS3 device registration routines.
3
4
  *
4
5
  *  Copyright (C) 2007 Sony Computer Entertainment Inc.
5
6
  *  Copyright 2007 Sony Corp.
6
- *
7
- *  This program is free software; you can redistribute it and/or modify
8
- *  it under the terms of the GNU General Public License as published by
9
- *  the Free Software Foundation; version 2 of the License.
10
- *
11
- *  This program is distributed in the hope that it will be useful,
12
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
- *  GNU General Public License for more details.
15
- *
16
- *  You should have received a copy of the GNU General Public License
17
- *  along with this program; if not, write to the Free Software
18
- *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19
7
  */
20
8
 
21
9
 #include <linux/delay.h>
..
..
@@ -25,6 +13,7 @@
25
13
 #include <linux/init.h>
26
14
 #include <linux/slab.h>
27
15
 #include <linux/reboot.h>
16
+#include <linux/rcuwait.h>
28
17
 
29
18
 #include <asm/firmware.h>
30
19
 #include <asm/lv1call.h>
..
..
@@ -354,9 +343,7 @@
354
343
 		 repo->dev_index, repo->dev_type, port, blk_size, num_blocks,
355
344
 		 num_regions);
356
345
 
357
-	p = kzalloc(sizeof(struct ps3_storage_device) +
358
-		    num_regions * sizeof(struct ps3_storage_region),
359
-		    GFP_KERNEL);
346
+	p = kzalloc(struct_size(p, regions, num_regions), GFP_KERNEL);
360
347
 	if (!p) {
361
348
 		result = -ENOMEM;
362
349
 		goto fail_malloc;
..
..
@@ -684,7 +671,8 @@
684
671
 	spinlock_t lock;
685
672
 	u64 tag;
686
673
 	u64 lv1_status;
687
-	struct completion done;
674
+	struct rcuwait wait;
675
+	bool done;
688
676
 };
689
677
 
690
678
 enum ps3_notify_type {
..
..
@@ -726,7 +714,8 @@
726
714
 		pr_debug("%s:%u: completed, status 0x%llx\n", __func__,
727
715
 			 __LINE__, status);
728
716
 		dev->lv1_status = status;
729
-		complete(&dev->done);
717
+		dev->done = true;
718
+		rcuwait_wake_up(&dev->wait);
730
719
 	}
731
720
 	spin_unlock(&dev->lock);
732
721
 	return IRQ_HANDLED;
..
..
@@ -739,12 +728,12 @@
739
728
 	unsigned long flags;
740
729
 	int res;
741
730
 
742
-	init_completion(&dev->done);
743
731
 	spin_lock_irqsave(&dev->lock, flags);
744
732
 	res = write ? lv1_storage_write(dev->sbd.dev_id, 0, 0, 1, 0, lpar,
745
733
 					&dev->tag)
746
734
 		    : lv1_storage_read(dev->sbd.dev_id, 0, 0, 1, 0, lpar,
747
735
 				       &dev->tag);
736
+	dev->done = false;
748
737
 	spin_unlock_irqrestore(&dev->lock, flags);
749
738
 	if (res) {
750
739
 		pr_err("%s:%u: %s failed %d\n", __func__, __LINE__, op, res);
..
..
@@ -752,14 +741,10 @@
752
741
 	}
753
742
 	pr_debug("%s:%u: notification %s issued\n", __func__, __LINE__, op);
754
743
 
755
-	res = swait_event_interruptible_exclusive(dev->done.wait,
756
-						  dev->done.done || kthread_should_stop());
744
+	rcuwait_wait_event(&dev->wait, dev->done || kthread_should_stop(), TASK_IDLE);
745
+
757
746
 	if (kthread_should_stop())
758
747
 		res = -EINTR;
759
-	if (res) {
760
-		pr_debug("%s:%u: interrupted %s\n", __func__, __LINE__, op);
761
-		return res;
762
-	}
763
748
 
764
749
 	if (dev->lv1_status) {
765
750
 		pr_err("%s:%u: %s not completed, status 0x%llx\n", __func__,
..
..
@@ -824,6 +809,7 @@
824
809
 	}
825
810
 
826
811
 	spin_lock_init(&dev.lock);
812
+	rcuwait_init(&dev.wait);
827
813
 
828
814
 	res = request_irq(irq, ps3_notification_interrupt, 0,
829
815
 			  "ps3_notification", &dev);