From e3c21cd2b1171c2cf64b95ddf2a9b1f0974fa7b0 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 3 Aug 2011 11:34:59 -0400 Subject: [PATCH] --- yaml --- r: 295329 b: refs/heads/master c: 25eb433ab1aaa981cbb43b1d10c0d9377a50e8c9 h: refs/heads/master i: 295327: 8828596bdaf4992e53f04a51e3f92b88c66b40d8 v: v3 --- [refs] | 2 +- trunk/arch/arm/mach-msm/idle.S | 36 -------------- trunk/arch/arm/mach-msm/idle.c | 49 +++++++++++++++++++ trunk/arch/arm/mach-msm/include/mach/system.h | 5 +- 4 files changed, 54 insertions(+), 38 deletions(-) delete mode 100644 trunk/arch/arm/mach-msm/idle.S create mode 100644 trunk/arch/arm/mach-msm/idle.c diff --git a/[refs] b/[refs] index 3cfb71d3c465..f55eaa93cd4b 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 4a3ea24405de36181b6ce074e110ee7efe110297 +refs/heads/master: 25eb433ab1aaa981cbb43b1d10c0d9377a50e8c9 diff --git a/trunk/arch/arm/mach-msm/idle.S b/trunk/arch/arm/mach-msm/idle.S deleted file mode 100644 index 6a94f0527137..000000000000 --- a/trunk/arch/arm/mach-msm/idle.S +++ /dev/null @@ -1,36 +0,0 @@ -/* arch/arm/mach-msm/include/mach/idle.S - * - * Idle processing for MSM7K - work around bugs with SWFI. - * - * Copyright (c) 2007 QUALCOMM Incorporated. - * Copyright (C) 2007 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - */ - -#include -#include - -ENTRY(arch_idle) -#ifdef CONFIG_MSM7X00A_IDLE - mrc p15, 0, r1, c1, c0, 0 /* read current CR */ - bic r0, r1, #(1 << 2) /* clear dcache bit */ - bic r0, r0, #(1 << 12) /* clear icache bit */ - mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ - - mov r0, #0 /* prepare wfi value */ - mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ - mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ - mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ - - mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ -#endif - mov pc, lr diff --git a/trunk/arch/arm/mach-msm/idle.c b/trunk/arch/arm/mach-msm/idle.c new file mode 100644 index 000000000000..0c9e13c65743 --- /dev/null +++ b/trunk/arch/arm/mach-msm/idle.c @@ -0,0 +1,49 @@ +/* arch/arm/mach-msm/idle.c + * + * Idle processing for MSM7K - work around bugs with SWFI. + * + * Copyright (c) 2007 QUALCOMM Incorporated. + * Copyright (C) 2007 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include + +static void msm_idle(void) +{ +#ifdef CONFIG_MSM7X00A_IDLE + asm volatile ( + + "mrc p15, 0, r1, c1, c0, 0 /* read current CR */ \n\t" + "bic r0, r1, #(1 << 2) /* clear dcache bit */ \n\t" + "bic r0, r0, #(1 << 12) /* clear icache bit */ \n\t" + "mcr p15, 0, r0, c1, c0, 0 /* disable d/i cache */ \n\t" + + "mov r0, #0 /* prepare wfi value */ \n\t" + "mcr p15, 0, r0, c7, c10, 0 /* flush the cache */ \n\t" + "mcr p15, 0, r0, c7, c10, 4 /* memory barrier */ \n\t" + "mcr p15, 0, r0, c7, c0, 4 /* wait for interrupt */ \n\t" + + "mcr p15, 0, r1, c1, c0, 0 /* restore d/i cache */ \n\t" + + : : : "r0","r1" ); +#endif +} + +static int __init msm_idle_init(void) +{ + arm_pm_idle = msm_idle; + return 0; +} + +arch_initcall(msm_idle_init); diff --git a/trunk/arch/arm/mach-msm/include/mach/system.h b/trunk/arch/arm/mach-msm/include/mach/system.h index 311db2b35da0..f2c049526bc6 100644 --- a/trunk/arch/arm/mach-msm/include/mach/system.h +++ b/trunk/arch/arm/mach-msm/include/mach/system.h @@ -12,7 +12,10 @@ * GNU General Public License for more details. * */ -void arch_idle(void); +static inline void arch_idle(void) +{ + cpu_do_idle(); +} /* low level hardware reset hook -- for example, hitting the * PSHOLD line on the PMIC to hard reset the system