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2a4f667aad
linux/drivers/misc/cxl
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Ian Munsie 2a4f667aad cxl: Workaround XSL bug that does not clear the RA bit after a reset 
An issue was noted in our debug logs where the XSL would leave the RA
bit asserted after an AFU reset operation, which would effectively
prevent further AFU reset operations from working.

Workaround the issue by clearing the RA bit with an MMIO write if it is
still asserted after any AFU control operation.

Signed-off-by: Ian Munsie <imunsie@au1.ibm.com>
Reviewed-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2016-07-08 22:13:06 +10:00
..
api.c cxl: Add set and get private data to context struct 2016-06-28 18:35:08 +10:00
base.c cxl: Parse device tree and create cxl device(s) at boot 2016-03-09 23:39:59 +11:00
context.c powerpc updates for 4.7 2016-05-20 10:12:41 -07:00
cxl.h cxl: Fix bug where AFU disable operation had no effect 2016-07-08 22:11:18 +10:00
debugfs.c cxl: Abstract the differences between the PSL and XSL 2016-06-16 23:08:54 +10:00
fault.c powerpc/mm: Replace _PAGE_USER with _PAGE_PRIVILEGED 2016-05-01 18:32:26 +10:00
file.c cxl: Add mechanism for delivering AFU driver specific events 2016-06-28 18:34:56 +10:00
flash.c cxl: static-ify variables to fix sparse warnings 2016-06-16 22:49:27 +10:00
guest.c cxl: Update process element after allocating interrupts 2016-06-16 23:08:49 +10:00
hcalls.c cxl: Add tracepoints around the cxl hcall 2016-03-09 23:40:01 +11:00
hcalls.h cxl: Add guest-specific code 2016-03-09 23:36:52 +11:00
irq.c cxl: Keep IRQ mappings on context teardown 2016-04-27 12:04:31 +10:00
Kconfig cxl: Add mechanism for delivering AFU driver specific events 2016-06-28 18:34:56 +10:00
main.c cxl: Adapter failure handling 2016-03-09 23:40:00 +11:00
Makefile cxl: Support to flash a new image on the adapter from a guest 2016-03-09 23:39:56 +11:00
native.c cxl: Workaround XSL bug that does not clear the RA bit after a reset 2016-07-08 22:13:06 +10:00
of.c cxl: Add guest-specific code 2016-03-09 23:36:52 +11:00
pci.c cxl: Fix bug where AFU disable operation had no effect 2016-07-08 22:11:18 +10:00
sysfs.c cxl: Allow initialization on timebase sync failures 2016-04-22 21:45:44 +10:00
trace.c cxl: Add tracepoints 2015-01-22 17:31:51 +11:00
trace.h cxl: Add tracepoints around the cxl hcall 2016-03-09 23:40:01 +11:00
vphb.c cxl: Make vPHB device node match adapter's 2016-06-16 23:11:30 +10:00