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authorShannon Nelson <shannon.nelson@amd.com>2023-09-15 01:32:00 +0300
committerDavid S. Miller <davem@davemloft.net>2023-09-18 11:28:22 +0300
commit1e18ec3e9d46e4ad2b6507c3bfc7f59e2ab449a2 (patch)
tree7b8f0a72119ee669ada639b2c39853099e1f09ac /tools/perf/scripts/python/mem-phys-addr.py
parentffa55858330f267beec995fc4f68098c91311c64 (diff)
downloadlinux-1e18ec3e9d46e4ad2b6507c3bfc7f59e2ab449a2.tar.xz
pds_core: add attempts to fix broken PCI
If we see a 0xff value from a PCI register read, we know that the PCI connection is broken, possibly by a low level reset that didn't go through the nice pci_error_handlers path. Make use of the PCI cleanup code that we already have from the reset handlers and add some detection and attempted recovery from a broken PCI connection. Signed-off-by: Shannon Nelson <shannon.nelson@amd.com> Reviewed-by: Brett Creeley <brett.creeley@amd.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/mem-phys-addr.py')
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