Messages in this thread | | | Date | Thu, 12 Feb 2015 12:55:26 +0530 | From | Vinod Koul <> | Subject | Re: [PATCH v3] dma: imx-sdma: switch to dynamic context mode after script loaded |
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On Thu, Jan 22, 2015 at 03:23:40PM +0800, Robin Gong wrote: > Below comments got from Page4724 of Reference Manual of i.mx6q: > http://cache.freescale.com/files/32bit/doc/ref_manual/IMX6DQRM.pdf > > --"Static context mode should be used for the first channel called > after reset to ensure that the all context RAM for that channel is > initialized during the context SAVE phase when the channel is > done or yields. Subsequent calls to the same channel or > different channels may use any of the dynamic context modes. > This will ensure that all context locations for the bootload > channel are initialized, and prevent undefined values in context > RAM from being loaded during the context restore if the > channel is re-started later" > > Unfortunately, the rule was broken by commit(5b28aa319bba96987316425a1131813d87cbab35) > .This patch just take them back. Applied, thanks
Pls ensure you use the right subsystem name
-- ~Vinod
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