Re: [PATCH 0/3] Improve MMC error handling (3rd rev)

Chris Ball
2011-06-21T16:23:40Z

Hi Russell,

On Mon, Jun 20 2011, Russell King - ARM Linux wrote:
> This is the third revision of my improvements to the MMC block
> device error handling, which makes error handling more robust
> and permits MMC/SD to continue working in the presence of
> not-quite-perfect setups.
>
> Without this, my Versatile Express tends to fail to mount its rootfs
> on SD. With this, it can successfully read and write data from the
> card in the presence of FIFO overruns and underruns, and also sensibly
> recover from command channel errors.
>
> There is more to come, but this is the "safer" bits of the improvements.
>
> drivers/mmc/card/block.c | 279 ++++++++++++++++++++++++++++++++++-----------
> include/linux/mmc/mmc.h | 10 ++
> 2 files changed, 221 insertions(+), 68 deletions(-)

Thanks, pushed to mmc-next for 3.1.

(I'll do some more testing myself and let you know if I find anything
unexpected.)

- Chris.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child