From: Takahiro HAYASHI <[email protected]>, Date: Tue, 12 Aug 2014 21:49:35 +0900
> On 08/12/14 20:37, Ryo ONODERA wrote: >> From: Takahiro HAYASHI <[email protected]>, Date: Tue, 12 Aug 2014 >> 02:14:43 +0900 > [snip] >>> I have some questions. >>> >>> 1) Do you have PCI_INTR_FIXUP in your kernel config? >> >> I had no PCI_INTR_FIXUP in kernel config. >> I have added PCI_INTR_FIXUP to my kernel config, and no effects. > > hmm.. > >>> 2) Is the port enabled -- has XHCI_PS_PED in PORTSC? >> >> All PORTSC is 0x2a0. >> It means port is disabled? > > Yes, disabled. > > xHCI 1.1 section 5.4.8 PORTSC reg says 0x2a0 means > XHCI_PS_CCS = 0: device is not connected > XHCI_PS_PED = 0: port disabled > XHCI_PS_PLS = 0x5: Link is in the RxDetect state > XHCI_PS_PP = 1: not power-off state > > RxDetect is the state after port warm reset. > In this state controller is waiting for device. > > > - xHCI specification 1.1 > http://www.intel.com/content/dam/www/public/us/en/documents/technical-specifications/extensible-host-controler-interface-usb-xhci.pdf Hi, Thanks for your explanation. I read xhci spec already. But I cannot find missing something for Intel xhci device... -- Ryo ONODERA // [email protected] PGP fingerprint = 82A2 DC91 76E0 A10A 8ABB FD1B F404 27FA C7D1 15F3
