Messages in this thread | | | From | Philip Rakity <> | Date | Thu, 24 Feb 2011 17:25:26 -0800 | Subject | Re: [PATCH 1/1]mmc: set timeout for SDHCI host before sending busy cmd |
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On Feb 24, 2011, at 12:15 PM, Chris Ball wrote:
> On Thu, Feb 24, 2011 at 10:32:30AM -0800, Philip Rakity wrote: >> proposed this a while ago and strongly support just removing the quirk for broken timeout and setting the timeout value to maximum of 0xE. >> >> This also handles the case of the sd device having a timeout value too low. In my testing I have come across SD cards that do not provide the correct value. >> We force our pxa168, pxa910, and mmp2 controllers to have 0xE. > > Yeah, OLPC's CaFe controller -- which might be the same hardware as yours, > actually -- has the same problem.
different controller not same as on mmp2, pxa168, pxa910
> > Does anyone know of a reason (beyond strict spec-compliance, I suppose) > for honoring the timeout value rather than using 0xE everywhere? If not, > I'm willing to try out Philip's suggestion. > > Thanks, > > -- > Chris Ball <cjb@laptop.org> <http://printf.net/> > One Laptop Per Child
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