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d4791db527
linux_dsm_epyc7002/arch/powerpc/platforms/powernv
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Russell Currey d4791db527 powerpc/powernv: Don't warn on PE init if unfreeze is unsupported 
Whenever a PE is initialised in powernv, opal_pci_eeh_freeze_clear() is
called.  This is to remove any existing freeze, and has no negative side
effects if the PE is already in an unfrozen state.  On PHB backends that
don't support this operation and return OPAL_UNSUPPORTED, this creates a
scary and misleading warning message.

Skip the warning message on init if OPAL_UNSUPPORTED is returned.

As far as I'm aware, this currently only affects NPUs.

Fixes: 313483d ("powerpc/powernv: Unfreeze PE on allocation")
Signed-off-by: Russell Currey <ruscur@russell.cc>
Acked-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-11-22 11:57:07 +11:00
..
eeh-powernv.c powerpc/powernv: Use CPU-endian hub diag-data type in pnv_eeh_get_and_dump_hub_diag() 2016-10-04 16:29:23 +11:00
idle.c powerpc/powernv: Use deepest stop state when cpu is offlined 2016-07-15 20:18:42 +10:00
Kconfig powerpc/powernv: Add opal-prd channel 2015-06-05 08:32:21 +10:00
Makefile powerpc/powernv: Split cxl code out into a separate file 2016-07-14 20:26:31 +10:00
npu-dma.c powerpc/sparse: Make a bunch of things static 2016-09-13 17:35:47 +10:00
opal-async.c powerpc/opal: Wake up kopald polling thread before waiting for events 2016-07-08 19:53:26 +10:00
opal-dump.c powerpc/powernv : Drop reference added by kset_find_obj() 2016-08-29 12:48:21 +10:00
opal-elog.c powerpc/powernv : Drop reference added by kset_find_obj() 2016-08-29 12:48:21 +10:00
opal-flash.c powerpc/powernv: Add interfaces for flash device access 2015-04-11 20:49:21 +10:00
opal-hmi.c powerpc/powernv: Use the "unknown" checkstop type as a fallback 2016-04-11 20:30:40 +10:00
opal-irqchip.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
opal-kmsg.c powerpc/powernv: Fix OPAL_CONSOLE_FLUSH prototype and usages 2016-01-13 12:35:17 +11:00
opal-lpc.c powerpc/powernv: Properly fix LPC debugfs endianness 2014-10-31 17:09:04 +11:00
opal-memory-errors.c powerpc/powernv: Fix spelling mistake "Retrived" -> "Retrieved" 2016-06-28 13:52:18 +10:00
opal-msglog.c powerpc/powernv: don't create OPAL msglog sysfs entry if memcons init fails 2016-02-22 20:31:55 +11:00
opal-nvram.c powerpc/powernv: Add pstore support on powernv 2015-03-23 14:06:10 +11:00
opal-power.c powerpc/powernv: Add poweroff (EPOW, DPO) events support for PowerNV platform 2015-07-16 13:34:36 +10:00
opal-prd.c powerpc/powernv: Drop owner assignment from platform_driver 2015-11-24 14:21:28 +11:00
opal-rtc.c powerpc/powernv: Only delay opal_rtc_read() retry when necessary 2015-12-27 19:12:40 +11:00
opal-sensor.c powerpc/opal: Add inline function to get rc from an ASYNC_COMP opal_msg 2016-06-29 17:33:18 +10:00
opal-sysparam.c powerpc/opal: Add inline function to get rc from an ASYNC_COMP opal_msg 2016-06-29 17:33:18 +10:00
opal-tracepoints.c powerpc: Introduce asm-prototypes.h 2016-06-16 22:39:54 +10:00
opal-wrappers.S KVM: PPC: Book3S HV: Set server for passed-through interrupts 2016-09-12 10:12:28 +10:00
opal-xscom.c powerpc/powernv: remove FW_FEATURE_OPALv3 and just use FW_FEATURE_OPAL 2015-12-17 22:40:54 +11:00
opal.c powerpc/powernv: Simplify searching for compatible device nodes 2016-11-14 20:05:57 +11:00
pci-cxl.c powerpc: Remove all usages of NO_IRQ 2016-09-20 20:57:12 +10:00
pci-ioda.c powerpc/powernv: Don't warn on PE init if unfreeze is unsupported 2016-11-22 11:57:07 +11:00
pci.c powerpc/powernv: Use CPU-endian PEST in pnv_pci_dump_p7ioc_diag_data() 2016-10-04 16:29:59 +11:00
pci.h dma-mapping: use unsigned long for dma_attrs 2016-08-04 08:50:07 -04:00
powernv.h powerpc/powernv: Use deepest stop state when cpu is offlined 2016-07-15 20:18:42 +10:00
rng.c powerpc: Use hardware RNG for arch_get_random_seed_* not arch_get_random_* 2015-07-23 19:52:03 +10:00
setup.c powerpc: Get rid of ppc_md.init_early() 2016-07-21 19:07:26 +10:00
smp.c powerpc/powernv: Use deepest stop state when cpu is offlined 2016-07-15 20:18:42 +10:00
subcore-asm.S powerpc/powernv: Add support for POWER8 split core on powernv 2014-05-28 13:35:37 +10:00
subcore.c powerpc/powernv: Create separate subcores CPU feature bit 2016-02-22 20:47:46 +11:00
subcore.h powernv/powerpc: Add winkle support for offline cpus 2014-12-15 10:46:41 +11:00