diff options
Diffstat (limited to 'arch/arm/mach-msm/idle.S')
-rw-r--r-- | arch/arm/mach-msm/idle.S | 36 |
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 | |||
22 | ENTRY(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 | ||