From mboxrd@z Thu Jan 1 00:00:00 1970 From: kgene.kim@samsung.com (Kukjin Kim) Date: Tue, 08 Nov 2011 14:00:36 +0900 Subject: [01: PATCH 0/7] Preparation for arch_reset changes In-Reply-To: <20111106173113.GI12913@n2100.arm.linux.org.uk> References: <20111106173113.GI12913@n2100.arm.linux.org.uk> Message-ID: <04eb01cc9dd3$5a6105f0$0f2311d0$%kim@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Russell King - ARM Linux wrote: > > This series lays down the ground work for changing the way we handle the > reset (now called restart) handling on ARM. > > As a result of these patches, we provide a new hook in the machine_desc > record called 'restart' which is pointed at a function to perform the > appropriate restart actions for the platform. This is called directly > from machine_restart() with IRQs and caches on. > > The 'soft_reboot' flag is changed to a more generic 'restart_mode' > character - which is used to initialize the default reboot mode (which > can be changed via the 'reboot=' command line parameter.) > > 'soft_restart(addr)' is added which performs a soft restart (iow, > orderly shutdown of caches and MMU and a jump to the passed address), > rather than the old way which separated the tear-down of the caches > and MMU from the code doing the jump. This will be necessary to > resolve the ARMv6 and ARMv7 CPU restarting problems. > > Finally, appropriate 'restart_mode' values are added to several > platforms which were hard-coding the restart mode by intercepting > the restarting via arm_pm_restart. > > arch/arm/include/asm/mach/arch.h | 9 +++-- > arch/arm/include/asm/system.h | 1 + > arch/arm/kernel/machine_kexec.c | 4 +- > arch/arm/kernel/process.c | 35 ++++++++++++----- > --- > arch/arm/kernel/setup.c | 7 +++- > arch/arm/mach-clps711x/include/mach/system.h | 2 +- > arch/arm/mach-ebsa110/core.c | 2 +- > arch/arm/mach-ebsa110/include/mach/system.h | 2 +- > arch/arm/mach-ep93xx/include/mach/system.h | 2 - > arch/arm/mach-footbridge/cats-hw.c | 2 +- > arch/arm/mach-footbridge/include/mach/system.h | 2 +- > arch/arm/mach-iop32x/include/mach/system.h | 4 +-- > arch/arm/mach-iop33x/include/mach/system.h | 2 +- > arch/arm/mach-ixp2000/include/mach/system.h | 2 - > arch/arm/mach-ixp4xx/include/mach/system.h | 2 +- > arch/arm/mach-ks8695/include/mach/system.h | 2 +- > arch/arm/mach-lpc32xx/include/mach/system.h | 3 -- > arch/arm/mach-mmp/include/mach/system.h | 4 +- > arch/arm/mach-mxs/system.c | 2 +- > arch/arm/mach-pnx4008/include/mach/system.h | 2 +- > arch/arm/mach-pxa/mioa701.c | 1 + > arch/arm/mach-pxa/reset.c | 2 +- > arch/arm/mach-pxa/spitz.c | 3 ++ > arch/arm/mach-pxa/tosa.c | 1 + > arch/arm/mach-rpc/include/mach/system.h | 2 +- > arch/arm/mach-s3c2410/include/mach/system-reset.h | 4 +- > arch/arm/mach-s3c64xx/include/mach/system.h | 2 +- > arch/arm/mach-sa1100/include/mach/system.h | 2 +- > arch/arm/mach-shark/core.c | 1 - > arch/arm/mach-shmobile/include/mach/system.h | 2 +- > arch/arm/mach-u300/include/mach/system.h | 2 - > arch/arm/mach-w90x900/include/mach/system.h | 2 +- > arch/arm/mm/idmap.c | 2 +- > arch/arm/mm/nommu.c | 2 +- > arch/arm/plat-mxc/system.c | 2 +- > arch/arm/plat-spear/include/plat/system.h | 2 +- > 36 files changed, 64 insertions(+), 59 deletions(-) For Samsung stuff, Acked-by: Kukjin Kim Thanks. Best regards, Kgene. -- Kukjin Kim , Senior Engineer, SW Solution Development Team, Samsung Electronics Co., Ltd.