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    SubjectRe: [PATCH] dmaengine: at_hdmac: pause: no need to wait for FIFO empty
    Le 12/05/2011 10:28, Koul, Vinod :
    > On Mon, 2011-05-09 at 18:11 +0200, Nicolas Ferre wrote:
    >> The addition of the pause feature to atc_control an active wait was introduced
    >> to check the FIFO empty event. This event was not always happening and
    >> a timout contition was needed.
    >> But, in some cases, this event depend on the peripheral connected to the
    >> channel that is paused: FIFO becomes empty if the peripheral consumes data.
    >> The timeout is pretty difficult to evaluate. Moreover, this check is not
    >> needed.
    >> In conclusion, it seems sensible to entirely remove the checking of
    >> "FIFO empty" status when pausing.
    >> Signed-off-by: Nicolas Ferre <>
    >> ---
    >> Vinod,
    >> This additional patch goes on top of your current "next" branch. It is a
    >> removing of some code added to the pause/resume patch sent earlier and can be
    >> folded into this one if you want to.
    > Applied with edit in commit msg, Thanks

    Thanks a lot.

    Nicolas Ferre

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