Re: [PATCH 1/2] xhci: make sure TRB is fully written before giving it to the controller

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Jan 18, 2021 at 5:05 AM Mathias Nyman
<mathias.nyman@xxxxxxxxxxxxxxx> wrote:
<>
> True, good point, dma_wmb() should be enough here.
> In fact most other wmb()s in xhci could be turned into dma_wmb().

FWIW I've confirmed in my testing that dma_wmb() does indeed also
solve the problem.



[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux