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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-25 05:34:00 +08:00
linux-next/arch/powerpc/platforms
Dan Streetman 10ccaf178b powerpc: use device_online/offline() instead of cpu_up/down()
In powerpc pseries platform dlpar operations, use device_online() and
device_offline() instead of cpu_up() and cpu_down().

Calling cpu_up/down() directly does not update the cpu device offline
field, which is used to online/offline a cpu from sysfs. Calling
device_online/offline() instead keeps the sysfs cpu online value
correct. The hotplug lock, which is required to be held when calling
device_online/offline(), is already held when dlpar_online/offline_cpu()
are called, since they are called only from cpu_probe|release_store().

This patch fixes errors on phyp (PowerVM) systems that have cpu(s)
added/removed using dlpar operations; without this patch, the
/sys/devices/system/cpu/cpuN/online nodes do not correctly show the
online state of added/removed cpus.

Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Cc: Nathan Fontenot <nfont@linux.vnet.ibm.com>
Fixes: 0902a9044f ("Driver core: Use generic offline/online for CPU offline/online")
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2014-11-02 10:55:56 +11:00
..
8xx powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
40x powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
44x powerpc: Fix build failure when CONFIG_USB=y 2014-09-25 23:14:54 +10:00
52xx powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
82xx powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
83xx Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux 2014-10-11 20:34:00 -04:00
85xx Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/scottwood/linux.git 2014-10-04 08:59:06 +10:00
86xx powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
512x powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
amigaone lib/scatterlist: make ARCH_HAS_SG_CHAIN an actual Kconfig 2014-08-08 15:57:26 -07:00
cell Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux 2014-10-11 20:34:00 -04:00
chrp powerpc: Remove powerpc specific cmd_line 2014-10-02 17:33:55 +10:00
embedded6xx powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
maple POWERPC: drivers: remove __dev* attributes. 2013-01-03 15:57:04 -08:00
pasemi powerpc: make of_device_ids const 2014-09-25 23:14:46 +10:00
powermac powerpc: Remove powerpc specific cmd_line 2014-10-02 17:33:55 +10:00
powernv powerpc/powernv: Properly fix LPC debugfs endianness 2014-10-31 17:09:04 +11:00
ps3 Merge branch 'powernv-cpuidle' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2014-04-02 13:47:29 -07:00
pseries powerpc: use device_online/offline() instead of cpu_up/down() 2014-11-02 10:55:56 +11:00
fsl_uli1575.c of/irq: Refactor interrupt-map parsing 2013-10-24 11:43:04 +01:00
Kconfig powerpc: Remove platforms/wsp and associated pieces 2014-06-11 16:35:38 +10:00
Kconfig.cputype Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux 2014-10-11 20:34:00 -04:00
Makefile powerpc: Remove platforms/wsp and associated pieces 2014-06-11 16:35:38 +10:00