aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-msm/idle.S
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-msm/idle.S')
-rw-r--r--arch/arm/mach-msm/idle.S36
1 files changed, 0 insertions, 36 deletions
diff --git a/arch/arm/mach-msm/idle.S b/arch/arm/mach-msm/idle.S
deleted file mode 100644
index 6a94f0527137..000000000000
--- a/arch/arm/mach-msm/idle.S
+++ /dev/null
@@ -1,36 +0,0 @@
1/* arch/arm/mach-msm/include/mach/idle.S
2 *
3 * Idle processing for MSM7K - work around bugs with SWFI.
4 *
5 * Copyright (c) 2007 QUALCOMM Incorporated.
6 * Copyright (C) 2007 Google, Inc.
7 *
8 * This software is licensed under the terms of the GNU General Public
9 * License version 2, as published by the Free Software Foundation, and
10 * may be copied, distributed, and modified under those terms.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 */
18
19#include <linux/linkage.h>
20#include <asm/assembler.h>
21
22ENTRY(arch_idle)
23#ifdef CONFIG_MSM7X00A_IDLE
24 mrc p15, 0, r1, c1, c0, 0 /* read current CR */
25 bic r0, r1, #(1 << 2) /* clear dcache bit */
26 bic r0, r0, #(1 << 12) /* clear icache bit */
27 mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */
28
29 mov r0, #0 /* prepare wfi value */
30 mcr p15, 0, r0, c7, c10, 0 /* flush the cache */
31 mcr p15, 0, r0, c7, c10, 4 /* memory barrier */
32 mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */
33
34 mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */
35#endif
36 mov pc, lr