From 1b7f72fc395d3d2b498fee5ecfb9e46497f55cdd Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Tue, 2 Aug 2011 12:52:48 -0400 Subject: ARM: mach-ebsa110: move special idle code out of line ... and hook it to arm_pm_idle. Signed-off-by: Nicolas Pitre --- arch/arm/mach-ebsa110/include/mach/system.h | 21 +-------------------- 1 file changed, 1 insertion(+), 20 deletions(-) (limited to 'arch/arm/mach-ebsa110/include/mach/system.h') diff --git a/arch/arm/mach-ebsa110/include/mach/system.h b/arch/arm/mach-ebsa110/include/mach/system.h index 2e4af65edb6f..b4601699b3be 100644 --- a/arch/arm/mach-ebsa110/include/mach/system.h +++ b/arch/arm/mach-ebsa110/include/mach/system.h @@ -10,28 +10,9 @@ #ifndef __ASM_ARCH_SYSTEM_H #define __ASM_ARCH_SYSTEM_H -/* - * EBSA110 idling methodology: - * - * We can not execute the "wait for interrupt" instruction since that - * will stop our MCLK signal (which provides the clock for the glue - * logic, and therefore the timer interrupt). - * - * Instead, we spin, polling the IRQ_STAT register for the occurrence - * of any interrupt with core clock down to the memory clock. - */ static inline void arch_idle(void) { - const char *irq_stat = (char *)0xff000000; - - /* disable clock switching */ - asm volatile ("mcr p15, 0, ip, c15, c2, 2" : : : "cc"); - - /* wait for an interrupt to occur */ - while (!*irq_stat); - - /* enable clock switching */ - asm volatile ("mcr p15, 0, ip, c15, c1, 2" : : : "cc"); + cpu_do_idle(); } #endif -- cgit v1.2.3 From a570067df9cc1b1821ca5255bbbe8adb67aca199 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Mon, 19 Dec 2011 03:29:16 -0500 Subject: ARM: big removal of now unused arch_idle() When this is the only content remaining in mach/system.h then the whole file is removed. Signed-off-by: Nicolas Pitre Acked-by: H Hartley Sweeten Acked-and-tested-by: Jamie Iles Acked-by: Tony Lindgren Acked-by: David Brown Acked-by: Stephen Warren Acked-by: Linus Walleij --- arch/arm/mach-ebsa110/include/mach/system.h | 18 ------------------ 1 file changed, 18 deletions(-) delete mode 100644 arch/arm/mach-ebsa110/include/mach/system.h (limited to 'arch/arm/mach-ebsa110/include/mach/system.h') diff --git a/arch/arm/mach-ebsa110/include/mach/system.h b/arch/arm/mach-ebsa110/include/mach/system.h deleted file mode 100644 index b4601699b3be..000000000000 --- a/arch/arm/mach-ebsa110/include/mach/system.h +++ /dev/null @@ -1,18 +0,0 @@ -/* - * arch/arm/mach-ebsa110/include/mach/system.h - * - * Copyright (C) 1996-2000 Russell King. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#ifndef __ASM_ARCH_SYSTEM_H -#define __ASM_ARCH_SYSTEM_H - -static inline void arch_idle(void) -{ - cpu_do_idle(); -} - -#endif -- cgit v1.2.3