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The vio and ibmebus buses are used for pseries specific
paravirtualised devices and currently they're initialised by the
generic initcall types. This is mostly fine, but it can result in some
nuisance errors in dmesg when booting on PowerNV on some OSes, e.g.
[ 2.984439] synth uevent: /devices/vio: failed to send uevent
[ 2.984442] vio vio: uevent: failed to send synthetic uevent
[ 17.968551] synth uevent: /devices/vio: failed to send uevent
[ 17.968554] vio vio: uevent: failed to send synthetic uevent
We don't see anything similar for the ibmebus because that depends on
!CONFIG_LITTLE_ENDIAN.
This patch squashes those by switching to using machine_*_initcall()
so the bus type is only registered when the kernel is running on a
pseries machine.
Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200421081539.7485-1-oohall@gmail.com
4336b93378