diff options
| author |   Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> | 2008-12-19 15:18:10 +0900 |
|---|---|---|
| committer |   Jesse Barnes <jbarnes@virtuousgeek.org> | 2009-01-07 11:13:21 -0800 |
| commit | 67f6533802fd2cc6f5b3c6355ef72bcf636d7fda (patch) | |
| tree | 9fac68e4e3b4f291e92f4f26c4912a94b7a4f358 /drivers/pci/hotplug | |
| parent | PCI: keep ASPM link state consistent throughout PCIe hierarchy (diff) | |
| download | linux-dev-67f6533802fd2cc6f5b3c6355ef72bcf636d7fda.tar.xz linux-dev-67f6533802fd2cc6f5b3c6355ef72bcf636d7fda.zip | |
PCI: pciehp: ignore undefined bit in link status register
Bit 10 in Link Status register used to be defined as Training Error in
the PCI Express 1.0a specification. But it was removed by Training Error
ECN and is no longer defined. So pciehp must ignore the value read from
it.
Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'drivers/pci/hotplug')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_hpc.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index b643ca13e4f1..22b88cb17a07 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -419,8 +419,7 @@ static int hpc_check_lnk_status(struct controller *ctrl) } ctrl_dbg(ctrl, "%s: lnk_status = %x\n", __func__, lnk_status); - if ( (lnk_status & LNK_TRN) || (lnk_status & LNK_TRN_ERR) || - !(lnk_status & NEG_LINK_WD)) { + if ((lnk_status & LNK_TRN) || !(lnk_status & NEG_LINK_WD)) { ctrl_err(ctrl, "Link Training Error occurs \n"); retval = -1; return retval; |