From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Pargmann Subject: Re: [PATCH] ASoC: fsl-ssi: fix SDMA starvation Date: Tue, 12 Nov 2013 14:24:41 +0100 Message-ID: <20131112132441.GG30263@pengutronix.de> References: <1384255056-25673-1-git-send-email-mpa@pengutronix.de> <52822529.5090502@tabi.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [92.198.50.35]) by alsa0.perex.cz (Postfix) with ESMTP id 6C07D2616FA for ; Tue, 12 Nov 2013 14:24:46 +0100 (CET) Content-Disposition: inline In-Reply-To: <52822529.5090502@tabi.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Timur Tabi Cc: alsa-devel@alsa-project.org, Juergen Beisert , Liam Girdwood , stable@vger.kernel.org, Mark Brown , kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org List-Id: alsa-devel@alsa-project.org On Tue, Nov 12, 2013 at 06:55:05AM -0600, Timur Tabi wrote: > 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? No, I don't have access on PowerPC hardware, so I didn't test it on PowerPC. Regards, Markus Pargmann -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |