add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/arch/powerpc/platforms/ps3/spu.c
..
..
@@ -1,21 +1,9 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  *  PS3 Platform spu routines.
3
4
  *
4
5
  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
5
6
  *  Copyright 2006 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/kernel.h>
..
..
@@ -196,10 +184,7 @@
196
184
  * setup_areas - Map the spu regions into the address space.
197
185
  *
198
186
  * The current HV requires the spu shadow regs to be mapped with the
199
- * PTE page protection bits set as read-only (PP=3).  This implementation
200
- * uses the low level __ioremap() to bypass the page protection settings
201
- * inforced by ioremap_prot() to get the needed PTE bits set for the
202
- * shadow regs.
187
+ * PTE page protection bits set as read-only.
203
188
  */
204
189
 
205
190
 static int __init setup_areas(struct spu *spu)
..
..
@@ -207,16 +192,14 @@
207
192
 	struct table {char* name; unsigned long addr; unsigned long size;};
208
193
 	unsigned long shadow_flags = pgprot_val(pgprot_noncached_wc(PAGE_KERNEL_RO));
209
194
 
210
-	spu_pdata(spu)->shadow = __ioremap(spu_pdata(spu)->shadow_addr,
211
-					   sizeof(struct spe_shadow),
212
-					   shadow_flags);
195
+	spu_pdata(spu)->shadow = ioremap_prot(spu_pdata(spu)->shadow_addr,
196
+					      sizeof(struct spe_shadow), shadow_flags);
213
197
 	if (!spu_pdata(spu)->shadow) {
214
198
 		pr_debug("%s:%d: ioremap shadow failed\n", __func__, __LINE__);
215
199
 		goto fail_ioremap;
216
200
 	}
217
201
 
218
-	spu->local_store = (__force void *)ioremap_prot(spu->local_store_phys,
219
-		LS_SIZE, pgprot_val(pgprot_noncached_wc(__pgprot(0))));
202
+	spu->local_store = (__force void *)ioremap_wc(spu->local_store_phys, LS_SIZE);
220
203
 
221
204
 	if (!spu->local_store) {
222
205
 		pr_debug("%s:%d: ioremap local_store failed\n",
..
..
@@ -465,7 +448,7 @@
465
448
 	ctx->ops->runcntl_stop(ctx);
466
449
 }
467
450
 
468
-const struct spu_management_ops spu_management_ps3_ops = {
451
+static const struct spu_management_ops spu_management_ps3_ops = {
469
452
 	.enumerate_spus = ps3_enumerate_spus,
470
453
 	.create_spu = ps3_create_spu,
471
454
 	.destroy_spu = ps3_destroy_spu,
..
..
@@ -606,7 +589,7 @@
606
589
 	return 0; /* No support. */
607
590
 }
608
591
 
609
-const struct spu_priv1_ops spu_priv1_ps3_ops = {
592
+static const struct spu_priv1_ops spu_priv1_ps3_ops = {
610
593
 	.int_mask_and = int_mask_and,
611
594
 	.int_mask_or = int_mask_or,
612
595
 	.int_mask_set = int_mask_set,