Re: mmc_spi stopped working

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

 



On Wed, 17 Oct 2007 12:37:13 -0700
David Brownell <[email protected]> wrote:

> 
> That issue is 49dce689ad4ef0fd1f970ef762168e4bd46f69a3, the
> classdev-elimination patch from Tony Jones.  It broke the
> "does this bus have more than one device" test by relocating
> the relevant sysfs nodes.
> 
> Quick workaround for that one is to disable the fault return
> after that test.
> 

Annoying. Feel free to ping me when you've pushed fixes to Linus.

> When enumerating MMC cards using SPI, don't support the "just probe"
> mechanism since it doesn't always work.  Instead, always wait for the
> reset to complete before issuing the next request.
> 
> This is a regression ... this SanDisk MMC card used to enumerate with
> no trouble, despite this particular spec violation.
> 
> Signed-off-by: David Brownell <[email protected]>
> 

I think I'll have to NAK this as I believe it breaks MMC 4.2. I'll check
and get back to you.

Rgds
-- 
     -- Pierre Ossman

  Linux kernel, MMC maintainer        http://www.kernel.org
  PulseAudio, core developer          http://pulseaudio.org
  rdesktop, core developer          http://www.rdesktop.org
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux