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From: linus.walleij@linaro.org (Linus Walleij)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] mmci: make sure DMA transfers wait for FIFO drain
Date: Fri, 11 Feb 2011 11:30:20 +0100	[thread overview]
Message-ID: <AANLkTikOArp9y4bTsvKCxtShoTzzsQeABfPn0z+dGneL@mail.gmail.com> (raw)
In-Reply-To: <20110211101056.GB23404@n2100.arm.linux.org.uk>

2011/2/11 Russell King - ARM Linux <linux@arm.linux.org.uk>:

> Maybe a solution to this is to use the DMA callback to signal that the
> data path has completed, but still have the data end interrupt in place
> so that it can trigger the stop command. ?That shouldn't result in
> additional delays or even the requirement for a timeout.

That should be possible, I'll try to fix up a patch like that.

Thanks,
Linus Walleij

      reply	other threads:[~2011-02-11 10:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-31 21:39 [PATCH] mmci: make sure DMA transfers wait for FIFO drain Linus Walleij
2011-02-01 11:03 ` Russell King - ARM Linux
2011-02-01 14:11   ` Linus Walleij
2011-02-11  9:46   ` Linus Walleij
2011-02-11 10:10     ` Russell King - ARM Linux
2011-02-11 10:30       ` Linus Walleij [this message]

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