~hc/RK356X_SDK_RELEASE.git

..	..	@@ -1,17 +1,6 @@
	1	+/* SPDX-License-Identifier: GPL-2.0-only */
1	2	/*
2	3	* Copyright (C) 2012 ARM Ltd.
3		- *
4		- * This program is free software; you can redistribute it and/or modify
5		- * it under the terms of the GNU General Public License version 2 as
6		- * published by the Free Software Foundation.
7		- *
8		- * This program is distributed in the hope that it will be useful,
9		- * but WITHOUT ANY WARRANTY; without even the implied warranty of
10		- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11		- * GNU General Public License for more details.
12		- *
13		- * You should have received a copy of the GNU General Public License
14		- * along with this program. If not, see <http://www.gnu.org/licenses/>.
15	4	*/
16	5
17	6	#include <linux/linkage.h>
..	..	@@ -25,8 +14,9 @@
25	14	* Parameters:
26	15	* x0 - dest
27	16	*/
28		-ENTRY(clear_page)
	17	+SYM_FUNC_START_PI(clear_page)
29	18	mrs x1, dczid_el0
	19	+ tbnz x1, #4, 2f /* Branch if DC ZVA is prohibited */
30	20	and w1, w1, #0xf
31	21	mov x2, #4
32	22	lsl x1, x2, x1
..	..	@@ -36,4 +26,14 @@
36	26	tst x0, #(PAGE_SIZE - 1)
37	27	b.ne 1b
38	28	ret
39		-ENDPROC(clear_page)
	29	+
	30	+2: stnp xzr, xzr, [x0]
	31	+ stnp xzr, xzr, [x0, #16]
	32	+ stnp xzr, xzr, [x0, #32]
	33	+ stnp xzr, xzr, [x0, #48]
	34	+ add x0, x0, #64
	35	+ tst x0, #(PAGE_SIZE - 1)
	36	+ b.ne 2b
	37	+ ret
	38	+SYM_FUNC_END_PI(clear_page)
	39	+EXPORT_SYMBOL(clear_page)