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Subject [GitHub] [incubator-nuttx] davids5 commented on issue #706: stm32h7:SPI Add buffers for DMA & and FIX DMA
Date Fri, 03 Apr 2020 13:55:31 GMT
davids5 commented on issue #706: stm32h7:SPI Add buffers for DMA & and FIX DMA
URL: https://github.com/apache/incubator-nuttx/pull/706#issuecomment-608447197
 
 
   > @davids5 With a dummy RX transfer, aren't you invalidating more data from the cache
than needed?
   > That's of course not harmful, but probably not what's desired.
   
   I am not seeing it.  When rxbuffer is null - there is no invalidation. 
   

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