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Groups > linux.kernel > #1283769
| From | Mathias Nyman <mathias.nyman@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] usb: xhci: fix config fail of FS hub behind a HS hub with MTT |
| Date | 2015-12-04 13:10 +0100 |
| Message-ID | <qBXlx-2ur-27@gated-at.bofh.it> (permalink) |
| References | <qBvpg-1dD-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 03.12.2015 08:14, Chunfeng Yun wrote: > if a full speed hub connects to a high speed hub which > supports MTT, the MTT field of its slot context will be set > to 1 when xHCI driver setups an xHCI virtual device in > xhci_setup_addressable_virt_dev(); once usb core fetch its > hub descriptor, and need to update the xHC's internal data > structures for the device, the HUB field of its slot context > will be set to 1 too, meanwhile MTT is also set before, > this will cause configure endpoint command fail, so in the > case, we should clear MTT to 0 for full speed hub according > to section 6.2.2 > > Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> > --- Thanks, patch added to queue -Mathias -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH] usb: xhci: fix config fail of FS hub behind a HS hub with MTT Chunfeng Yun <chunfeng.yun@mediatek.com> - 2015-12-03 07:20 +0100 Re: [PATCH] usb: xhci: fix config fail of FS hub behind a HS hub with MTT Mathias Nyman <mathias.nyman@intel.com> - 2015-12-04 13:10 +0100
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