From mboxrd@z Thu Jan 1 00:00:00 1970 From: robert.jarzmik@free.fr (Robert Jarzmik) Date: Thu, 03 Mar 2016 18:19:29 +0100 Subject: [PATCH v2] dmaengine: pxa_dma: fix cyclic transfers In-Reply-To: <20160303153702.GO11154@localhost> (Vinod Koul's message of "Thu, 3 Mar 2016 21:07:02 +0530") References: <1455659642-7746-1-git-send-email-robert.jarzmik@free.fr> <20160303153702.GO11154@localhost> Message-ID: <871t7rqy1q.fsf@belgarion.home> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Vinod Koul writes: > On Tue, Feb 16, 2016 at 10:54:02PM +0100, Robert Jarzmik wrote: >> While testing audio with pxa2xx-ac97, underrun were happening while the >> user application was correctly feeding the music. Debug proved that the >> cyclic transfer is not cyclic, ie. the last descriptor did not loop on >> the first. >> >> Another issue is that the descriptor length was always set to 8192, >> because of an trivial operator issue. >> >> This was tested on a pxa27x platform. > > Applied, thanks Thanks Vinod ! Cheers. -- Robert