I figured it wasn't the REAL fix! Thanks for the heads up on 3.12 though! On Fri, Aug 30, 2013 at 4:56 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote: > On Fri, 30 Aug 2013, Kevin Archer wrote: > >> I changed the pci.quirks.c file based on >> http://people.canonical.com/~lexical/bugs/lp981710/diff >> that I found while searching for the commit that you suggested. >> >> diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c >> index 833b3c6..aac5b03 100644 >> --- a/drivers/usb/host/pci-quirks.c >> +++ b/drivers/usb/host/pci-quirks.c >> @@ -862,9 +863,10 @@ static void __devinit >> quirk_usb_handoff_xhci(struct pci_dev *pdev) >> val |= XHCI_LEGACY_SMI_EVENTS; >> /* Disable any BIOS SMIs and clear all SMI events*/ >> writel(val, base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET); >> - >> +/* >> if (usb_is_intel_switchable_xhci(pdev)) >> usb_enable_xhci_ports(pdev); >> +*/ >> hc_init: >> op_reg_base = base + XHCI_HC_LENGTH(readl(base)); >> >> I don't think it is the REAL fix this going forward, but it works for >> me and this lap top. > > This is not a real fix. If something is wrong with the port-switching > mechanism on your machine, it should be brought to the attention of the > appropriate people. Unless you think this is a simple hardware flaw in > your particular computer, not affecting anybody else. > > By the way, there is already a change in this area scheduled for the > 3.12 kernel release: > > https://git.kernel.org/cgit/linux/kernel/git/gregkh/usb.git/commit?id=26b76798e0507429506b93cd49f8c4cfdab06896 > >> Thank you for helping and your patience and pointing me in the correct >> direction. > > You're welcome. > > Alan Stern > > -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
