From: Kenji Kaneshige Date: Fri, 19 Dec 2008 06:18:10 +0000 (+0900) Subject: PCI: pciehp: ignore undefined bit in link status register X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=67f6533802fd2cc6f5b3c6355ef72bcf636d7fda;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Jesse Barnes --- 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;