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(parent: 6875682) | patch
s390/pci: Do not disable PF when VFs exist
authorPierre Morel <pmorel@linux.ibm.com>
Thu, 26 Mar 2020 16:07:03 +0000 (12:07 -0400)
committerVasily Gorbik <gor@linux.ibm.com>
Tue, 28 Apr 2020 11:49:47 +0000 (13:49 +0200)
commitac127bab31bd21725f02d61c3cd5df948ea347fb
treeb040b53cb1f28c85ec3561ba928a2848d9a76695tree | snapshot
parent687568229bd4d8a3cecae6f41cb5d93f894f5505commit | diff
s390/pci: Do not disable PF when VFs exist

The Physical function should not be disabled until no virtual
functions depends on it.
Let's force the user to first use echo 0 > sriov_numfs before
allowing to disable the PF with echo 0 > power.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
drivers/pci/hotplug/s390_pci_hpc.c diff | blob | history
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