From: Alexander Graf <agraf@suse.de>
To: linuxppc-dev@lists.ozlabs.org
Cc: Arnd Bergmann <arnd@arndb.de>, Geoff Levand <geoff@infradead.org>,
Alistair Popple <alistair@popple.id.au>,
Scott Wood <scottwood@freescale.com>,
Anatolij Gustschin <agust@denx.de>
Subject: [PATCH 00/20] powerpc: Convert power off logic to pm_power_off
Date: Wed, 1 Oct 2014 15:27:46 +0200 [thread overview]
Message-ID: <1412170086-57971-1-git-send-email-agraf@suse.de> (raw)
The generic Linux framework to power off the machine is a function pointer
called pm_power_off. The trick about this pointer is that device drivers can
potentially implement it rather than board files.
Today on PowerPC we set pm_power_off to invoke our generic full machine power
off logic which then calls ppc_md.power_off to invoke machine specific power
off.
However, when we want to add a power off GPIO via the "gpio-poweroff" driver,
this card house falls apart. That driver only registers itself if pm_power_off
is NULL to ensure it doesn't override board specific logic. However, since we
always set pm_power_off to the generic power off logic (which will just not
power off the machine if no ppc_md.power_off call is implemented), we can't
implement power off via the generic GPIO power off driver.
To fix this up, let's get rid of the ppc_md.power_off logic and just always use
pm_power_off as was intended. Then individual drivers such as the GPIO power off
driver can implement power off logic via that function pointer.
With this patch set applied and a few patches on top of QEMU that implement a
power off GPIO on the virt e500 machine, I can successfully turn off my virtual
machine after halt.
Alex
Alexander Graf (20):
powerpc: Support override of pm_power_off
powerpc/xmon: Support either ppc_md.power_off or pm_power_off
powerpc/47x: Use pm_power_off rather than ppc_md.power_off
powerpc/52xx/efika: Use pm_power_off rather than ppc_md.power_off
powerpc/mpc8349emitx: Use pm_power_off rather than ppc_md.power_off
powerpc/corenet: Use pm_power_off rather than ppc_md.power_off
powerpc/85xx/sgy_cts1000: Use pm_power_off rather than
ppc_md.power_off
powerpc/celleb: Use pm_power_off rather than ppc_md.power_off
powerpc/cell/qpace: Use pm_power_off rather than ppc_md.power_off
powerpc/cell: Use pm_power_off rather than ppc_md.power_off
powerpc/chrp: Use pm_power_off rather than ppc_md.power_off
powerpc/6xx/gamecube: Use pm_power_off rather than ppc_md.power_off
powerpc/6xx/linkstation: Use pm_power_off rather than ppc_md.power_off
powerpc/6xx/wii: Use pm_power_off rather than ppc_md.power_off
powerpc/maple: Use pm_power_off rather than ppc_md.power_off
powerpc/powermac: Use pm_power_off rather than ppc_md.power_off
powerpc/powernv: Use pm_power_off rather than ppc_md.power_off
powerpc/ps3: Use pm_power_off rather than ppc_md.power_off
powerpc/pseries: Use pm_power_off rather than ppc_md.power_off
powerpc: Remove ppc_md.power_off
arch/powerpc/include/asm/machdep.h | 1 -
arch/powerpc/kernel/setup-common.c | 6 +-
arch/powerpc/platforms/44x/ppc476.c | 2 +-
arch/powerpc/platforms/52xx/efika.c | 3 +-
arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c | 8 +-
arch/powerpc/platforms/85xx/corenet_generic.c | 2 +-
arch/powerpc/platforms/85xx/sgy_cts1000.c | 4 +-
arch/powerpc/platforms/cell/celleb_setup.c | 4 +-
arch/powerpc/platforms/cell/qpace_setup.c | 3 +-
arch/powerpc/platforms/cell/setup.c | 2 +-
arch/powerpc/platforms/chrp/setup.c | 3 +-
arch/powerpc/platforms/embedded6xx/gamecube.c | 3 +-
arch/powerpc/platforms/embedded6xx/linkstation.c | 3 +-
arch/powerpc/platforms/embedded6xx/wii.c | 3 +-
arch/powerpc/platforms/maple/setup.c | 4 +-
arch/powerpc/platforms/powermac/setup.c | 147 ++++++++++++-----------
arch/powerpc/platforms/powernv/setup.c | 4 +-
arch/powerpc/platforms/ps3/setup.c | 3 +-
arch/powerpc/platforms/pseries/setup.c | 59 ++++-----
arch/powerpc/sysdev/fsl_soc.c | 2 +-
arch/powerpc/xmon/xmon.c | 3 +-
21 files changed, 139 insertions(+), 130 deletions(-)
--
1.8.1.4
next reply other threads:[~2014-10-01 13:28 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-01 13:27 Alexander Graf [this message]
2014-10-01 13:27 ` [PATCH 01/20] powerpc: Support override of pm_power_off Alexander Graf
2014-10-01 13:27 ` [PATCH 02/20] powerpc/xmon: Support either ppc_md.power_off or pm_power_off Alexander Graf
2014-10-01 13:27 ` [PATCH 03/20] powerpc/47x: Use pm_power_off rather than ppc_md.power_off Alexander Graf
2014-10-05 0:39 ` Segher Boessenkool
2014-10-06 10:02 ` Alexander Graf
2014-10-01 13:27 ` [PATCH 04/20] powerpc/52xx/efika: " Alexander Graf
2014-10-01 13:27 ` [PATCH 05/20] powerpc/mpc8349emitx: " Alexander Graf
2014-10-01 13:27 ` [PATCH 06/20] powerpc/corenet: " Alexander Graf
2014-10-01 13:27 ` [PATCH 07/20] powerpc/85xx/sgy_cts1000: " Alexander Graf
2014-10-01 13:27 ` [PATCH 08/20] powerpc/celleb: " Alexander Graf
2014-10-01 13:27 ` [PATCH 09/20] powerpc/cell/qpace: " Alexander Graf
2014-10-01 13:27 ` [PATCH 10/20] powerpc/cell: " Alexander Graf
2014-10-01 13:27 ` [PATCH 11/20] powerpc/chrp: " Alexander Graf
2014-10-01 13:27 ` [PATCH 12/20] powerpc/6xx/gamecube: " Alexander Graf
2014-10-01 13:27 ` [PATCH 13/20] powerpc/6xx/linkstation: " Alexander Graf
2014-10-01 13:28 ` [PATCH 14/20] powerpc/6xx/wii: " Alexander Graf
2014-10-01 13:28 ` [PATCH 15/20] powerpc/maple: " Alexander Graf
2014-10-01 13:28 ` [PATCH 16/20] powerpc/powermac: " Alexander Graf
2014-10-01 13:28 ` [PATCH 17/20] powerpc/powernv: " Alexander Graf
2014-10-01 13:28 ` [PATCH 18/20] powerpc/ps3: " Alexander Graf
2014-10-01 13:28 ` [PATCH 19/20] powerpc/pseries: " Alexander Graf
2014-10-01 13:28 ` [PATCH 20/20] powerpc: Remove ppc_md.power_off Alexander Graf
2014-10-01 14:33 ` [PATCH 00/20] powerpc: Convert power off logic to pm_power_off Geert Uytterhoeven
2014-10-01 14:47 ` Alexander Graf
2014-10-01 14:57 ` Geert Uytterhoeven
2014-10-01 15:54 ` Guenter Roeck
2014-10-01 21:25 ` Alexander Graf
2014-10-02 2:36 ` Guenter Roeck
2014-10-01 22:39 ` Scott Wood
2014-10-01 23:21 ` Alexander Graf
2014-10-01 23:28 ` Scott Wood
2014-10-01 23:44 ` Alexander Graf
2014-10-02 2:51 ` Guenter Roeck
2014-10-03 4:42 ` Michael Ellerman
2014-10-06 10:00 ` Alexander Graf
2014-10-07 6:25 ` Michael Ellerman
2014-10-07 11:35 ` Alexander Graf
2014-10-07 17:00 ` Guenter Roeck
2014-10-07 17:47 ` Alexander Graf
2014-10-07 19:03 ` Guenter Roeck
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