Re: Do Qualcomm drivers use DMA buffers for request_firmware_into_buf()?

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

 



On Thu, Jun 07, 2018 at 12:41:12AM +0200, Ard Biesheuvel wrote:
> On 7 June 2018 at 00:29, Luis R. Rodriguez <mcgrof@xxxxxxxxxx> wrote:
> > Given no one is providing a clear answer, and we cannot easily describe the
> > buffer at run time we'll just move forward with READING_FIRMWARE_DMA_COHERENT.
> 
> I seriously wonder whether the QCOM code cannot switch to the
> streaming API instead. That is generally preferred anyway (for
> performance, although that should not matter for loading firmware) but
> also removes this single wart for which we have to invent new flags
> and new security code plus the associated validation overhead.

Given 1 month and no response I don't think we can count on that at this point.

  Luis

-- 
Do not panic
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel



[Index of Archives]     [Linux Driver Backports]     [DMA Engine]     [Linux GPIO]     [Linux SPI]     [Video for Linux]     [Linux USB Devel]     [Linux Coverity]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux