powernv/pci: Print an error when device enable is blocked

If the platform decides to block enabling the device nothing is printed
currently. This can lead to some confusion since the dmesg output will
usually print an error with no context e.g.

	e1000e: probe of 0022:01:00.0 failed with error -22

This shouldn't be spammy since pci_enable_device() already prints a
messages when it succeeds.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200409061337.9187-1-oohall@gmail.com
This commit is contained in:
Oliver O'Halloran 2020-04-09 16:13:37 +10:00 • committed by Michael Ellerman
commit 6c58b1b41b