Home
last modified time | relevance | path

Searched hist:"98 b665da" (Results 1 – 1 of 1) sorted by relevance

/openbmc/linux/arch/powerpc/platforms/powernv/
H A Dpci-ioda.c98b665da Thu Jul 28 00:05:03 CDT 2016 Russell Currey <ruscur@russell.cc> powerpc/powernv/pci: Add PHB register dump debugfs handle

On EEH events the kernel will print a dump of relevant registers.
If EEH is unavailable (i.e. CONFIG_EEH is disabled, a new platform
doesn't have EEH support, etc) this information isn't readily available.

Add a new debugfs handler to trigger a PHB register dump, so that this
information can be made available on demand.

Signed-off-by: Russell Currey <ruscur@russell.cc>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
98b665da Thu Jul 28 00:05:03 CDT 2016 Russell Currey <ruscur@russell.cc> powerpc/powernv/pci: Add PHB register dump debugfs handle

On EEH events the kernel will print a dump of relevant registers.
If EEH is unavailable (i.e. CONFIG_EEH is disabled, a new platform
doesn't have EEH support, etc) this information isn't readily available.

Add a new debugfs handler to trigger a PHB register dump, so that this
information can be made available on demand.

Signed-off-by: Russell Currey <ruscur@russell.cc>
Reviewed-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>