PCI/ASPM: Don't warn if already in common clock mode
authorSinan Kaya <okaya@codeaurora.org>
Mon, 22 Jan 2018 20:12:01 +0000 (15:12 -0500)
committerBjorn Helgaas <helgaas@kernel.org>
Wed, 28 Feb 2018 21:00:55 +0000 (15:00 -0600)
commit04875177dbe034055f23960981ecf6fb8ea1d638
treee16bd69b4a1c3b5962bb5651dfab7c6d052c6ef4
parentf51af8a63c5f633b572d00319ecdfa31f266b8fb
PCI/ASPM: Don't warn if already in common clock mode

Previously we emitted a warning if we tried to configure common clock mode
the link was already configured to common clock mode by the UEFI BIOS.
Bail out silently in that case instead of emitting the warning:

  pci 0004:00:00.0: ASPM: Could not configure common clock

Signed-off-by: Sinan Kaya <okaya@codeaurora.org>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
drivers/pci/pcie/aspm.c