Re: [PATCH 2/2] usb: host: pci_quirks: Force hard reset of Renesas uPD72020x USB controller

2017-07-17 Thread Mathias Nyman
On 10.07.2017 18:52, Marc Zyngier wrote: The Renesas uPD72020x XHCI controller seems to suffer from a really annoying bug, where it may retain some of its DMA programming across a XHCI reset, and despite the driver correctly programming new DMA addresses. This is visible if the device has been

Re: [PATCH 2/2] usb: host: pci_quirks: Force hard reset of Renesas uPD72020x USB controller

2017-07-17 Thread Mathias Nyman
On 10.07.2017 18:52, Marc Zyngier wrote: The Renesas uPD72020x XHCI controller seems to suffer from a really annoying bug, where it may retain some of its DMA programming across a XHCI reset, and despite the driver correctly programming new DMA addresses. This is visible if the device has been

[PATCH 2/2] usb: host: pci_quirks: Force hard reset of Renesas uPD72020x USB controller

2017-07-10 Thread Marc Zyngier
The Renesas uPD72020x XHCI controller seems to suffer from a really annoying bug, where it may retain some of its DMA programming across a XHCI reset, and despite the driver correctly programming new DMA addresses. This is visible if the device has been using 64bit DMA addresses, and is then

[PATCH 2/2] usb: host: pci_quirks: Force hard reset of Renesas uPD72020x USB controller

2017-07-10 Thread Marc Zyngier
The Renesas uPD72020x XHCI controller seems to suffer from a really annoying bug, where it may retain some of its DMA programming across a XHCI reset, and despite the driver correctly programming new DMA addresses. This is visible if the device has been using 64bit DMA addresses, and is then