From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur Tabi Subject: Re: [PATCH] ASoC: fsl-ssi: fix SDMA starvation Date: Tue, 12 Nov 2013 06:55:05 -0600 Message-ID: <52822529.5090502@tabi.org> References: <1384255056-25673-1-git-send-email-mpa@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1384255056-25673-1-git-send-email-mpa@pengutronix.de> Sender: stable-owner@vger.kernel.org To: Markus Pargmann , Mark Brown , Liam Girdwood Cc: alsa-devel@alsa-project.org, linux-arm-kernel@lists.infradead.org, kernel@pengutronix.de, Juergen Beisert , stable@vger.kernel.org List-Id: alsa-devel@alsa-project.org Markus Pargmann wrote: > > To ensure the first edge happens after enabling the TX side of the SSI unit and > to trigger the SDMA unit successfully enable the CCSR_SSI_SIER_TDMAE on > demand only. To be sure, this patch does the same for the CCSR_SSI_SIER_RDMAE > (RX side) bit. This patch impacts PowerPC as well. Have you tested it on that platform? From mboxrd@z Thu Jan 1 00:00:00 1970 From: timur@tabi.org (Timur Tabi) Date: Tue, 12 Nov 2013 06:55:05 -0600 Subject: [PATCH] ASoC: fsl-ssi: fix SDMA starvation In-Reply-To: <1384255056-25673-1-git-send-email-mpa@pengutronix.de> References: <1384255056-25673-1-git-send-email-mpa@pengutronix.de> Message-ID: <52822529.5090502@tabi.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Markus Pargmann wrote: > > To ensure the first edge happens after enabling the TX side of the SSI unit and > to trigger the SDMA unit successfully enable the CCSR_SSI_SIER_TDMAE on > demand only. To be sure, this patch does the same for the CCSR_SSI_SIER_RDMAE > (RX side) bit. This patch impacts PowerPC as well. Have you tested it on that platform?