[U-Boot] [PATCH] mmc: dw_mmc: Increase timeout to 4 minutes (as in Linux kernel)

Tom Rini trini at konsulko.com
Mon Sep 28 23:08:56 CEST 2015


On Mon, Sep 28, 2015 at 03:43:50PM +0200, Przemyslaw Marczak wrote:
> Hi Lukasz,
> 
> On 09/25/2015 06:25 PM, Lukasz Majewski wrote:
> >The commit: d9dbb97be0e4a550457aec5f11afefb446169c90
> >"mmc: dw_mmc: Zap endless timeout" removed endless loop waiting for end
> >of dw mmc transfer.
> >
> >For some workloads - dfu test @ Odroid XU3 (sending 8MiB file) -
> >and SD cards (e.g. MicroSD Kingston 4GiB, Adata 4GiB)
> >the default timeout is to short.
> >
> >The new value - 4 minutes (240 seconds) - is the same as the one used in
> >Linux kernel driver. Such fix should be good enough until we come up
> >with better fix for this issue.
> >
> 
> I think, that you should adjust the commit message, because it
> describes the result of the real problem which is in the background.
> 
> It doesn't fix the DFU, because it wasn't broken.
> What is the real problem and how does this commit fix it?

I think this message is good enough (esp since I want to apply it now)
and will link back to all of these other messages about it for details.

-- 
Tom
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