[01: PATCH 0/7] Preparation for arch_reset changes
Kukjin Kim
kgene.kim at samsung.com
Tue Nov 8 00:00:36 EST 2011
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 <kgene.kim at samsung.com>
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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