On 2017-03-01 20:40:04 [-0600], Bin Liu wrote:
> The CPPI41 driver polls register to workaround the pre-mature TX
> interrupt issue, but it causes audio playback underrun when triggered in
> Isoch transfers.
>
> Isoch doesn't do back-to-back transfers, the TX should be done by the
> time the next transfer is scheduled. So skip this polling workaround for
> Isoch transfer.
>
> Fixes: a655f481d83d6 ("usb: musb: musb_cppi41: handle pre-mature TX complete
> interrupt")
> Cc: <sta...@vger.kernel.org> #4.1+
> Reported-by: Alexandre Bailon <abai...@baylibre.com>
> Signed-off-by: Bin Liu <b-...@ti.com>
Looks reasonable.
Acked-by: Sebastian Andrzej Siewior <bige...@linutronix.de>
Sebastian
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
