Messages in this thread | | | Date | Mon, 25 Nov 2013 16:17:55 -0600 | From | Joel Fernandes <> | Subject | Re: [PATCH 6/7] ARM: OMAP: Disable POSTED mode for errata i103 and i767 |
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On 11/25/2013 04:14 PM, Tony Lindgren wrote: > * Joel Fernandes <joelf@ti.com> [131125 13:46]: >> Enabling of Posted mode is seen to cause problems on dmtimer modules on AM33xx >> (much like other OMAPs). Reference discussions on forums [1] [2]. Earlier >> patch solving this on other OMAPs [3]. >> >> For OMAP SoCs with this errata, the fix has been to not enable Posted mode. >> However, on some SoCs (atleast AM33xx) which carry this errata, Posted mode >> is enabled on reset. So we not only need to ignore enabling of the POSTED bit >> when the timer is requested, but also disable Posted mode if errata is present. > > This could explain some occasional lost timers I saw a while back when > testing things.. We most likely should merge for the -rc series with cc stable.
Sure, I agree.
> > Does this depend on the other patches in this series? >
No it doesn't depend.
thanks,
-Joel
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