2016-04-05 14:00 GMT-07:00 Petri Gynther <pgynt...@google.com>: > dmadesc_set() is used for setting the Tx buffer DMA address, length, > and status bits on a Tx ring descriptor when a frame is being Tx'ed. > > Always set the Tx buffer DMA address first, before updating the length > and status bits, i.e. giving the Tx descriptor to the hardware. > > The reason this is a cleanup rather than a fix is that the hardware > won't transmit anything from a Tx ring until the TDMA producer index > has been incremented. As long as the dmadesc_set() writes complete > before the TDMA producer index write, life is good. > > Signed-off-by: Petri Gynther <pgynt...@google.com>
Acked-by: Florian Fainelli <f.faine...@gmail.com> -- Florian
