On Fri, Aug 04, 2017 at 03:40:42AM +0800, kbuild test robot wrote:
> Hi Johan,
>
> [auto build test ERROR on driver-core/driver-core-testing]
> [also build test ERROR on v4.13-rc3 next-20170803]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help improve the system]
Hi Johan,
[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on v4.13-rc3 next-20170803]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Johan-Hovold/dma-mapping-sk
Hi Johan,
[auto build test ERROR on driver-core/driver-core-testing]
[also build test ERROR on v4.13-rc3 next-20170803]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system]
url:
https://github.com/0day-ci/linux/commits/Johan-Hovold/dma-mapping-sk
On Thu, Aug 03, 2017 at 12:50:20PM +0100, Robin Murphy wrote:
> Hi Johan,
>
> On 03/08/17 11:05, Johan Hovold wrote:
> > USB devices use the DMA mask and offset of the controller, which have
> > already been setup when a device is probed. Note that modifying the mask
> > of a USB device would chan
Hi Johan,
On 03/08/17 11:05, Johan Hovold wrote:
> USB devices use the DMA mask and offset of the controller, which have
> already been setup when a device is probed. Note that modifying the mask
> of a USB device would change the mask for the controller (and all
> devices on the bus) as the mask
USB devices use the DMA mask and offset of the controller, which have
already been setup when a device is probed. Note that modifying the mask
of a USB device would change the mask for the controller (and all
devices on the bus) as the mask is literally shared.
Since commit 2bf698671205 ("USB: of:
