linux-kernel - pre 4.9-rc dma regression, imx6 sound etc

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Message-ID: <7d1b8c87-cd8d-d1dc-94f6-82f26e5e8a3f@nextfour.com>
Date:   Wed, 12 Oct 2016 16:25:36 +0300
From:   Mika Penttilä <mika.penttila@...tfour.com>
To:     LKML <linux-kernel@...r.kernel.org>, <nandor.han@...com>
Subject: pre 4.9-rc dma regression, imx6 sound etc

Hi!

Bisected that commit 5881826 - "    dmaengine: imx-sdma - update the residue calculation for cyclic channels" is first bad commit to cause audio regression on imx6q, sgtl5000 codec. It causes audible disturbing background noise when playing wavs.

Unfortunately, reverting only 5881826 causes uarts to fail, so another fix is needed.

Thanks,

Mika