Hi, On Mon, Feb 6, 2017 at 2:43 PM, Peter Chen <peter.chen@xxxxxxx> wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > For xhci-hcd platform device, all the DMA parameters are not > configured properly, notably dma ops for dwc3 devices. So, set > the dma for xhci from sysdev. sysdev is pointing to device that > is known to the system firmware or hardware. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> > Signed-off-by: Sriram Dash <sriram.dash@xxxxxxx> > Tested-by: Baolin Wang <baolin.wang@xxxxxxxxxx> > Tested-by: Vivek Gautam <vivek.gautam@xxxxxxxxxxxxxx> > Tested-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx> > Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> > --- This patch doesn't work for me anymore on db820c target [1]. While the same kernel with reverts of patches [2] [3] and an older patch [4] by Grygorii Strashko works [5]. [1] https://github.com/vivekgautam1/linux/tree/linux-v4.10-rc7-usb-db820c-nonworking [2] 8c9f2de459c7 usb: dwc3: Do not set dma coherent mask [3] d64ff406e51e usb: dwc3: use bus->sysdev for DMA configuration [4] https://lkml.org/lkml/2016/4/25/813 [5] https://github.com/vivekgautam1/linux/tree/linux-v4.10-rc7-usb-db820c regards Vivek -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project -- 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
