From mboxrd@z Thu Jan 1 00:00:00 1970 From: Timur Tabi Subject: Re: [PATCH v2 05/11] ASoC: fsl-ssi: Add support for imx-pcm-fiq Date: Sun, 14 Apr 2013 09:53:57 -0500 Message-ID: <516AC305.2000800@tabi.org> References: <1365362721-3731-1-git-send-email-mpa@pengutronix.de> <1365362721-3731-6-git-send-email-mpa@pengutronix.de> <51620CEA.3010703@tabi.org> <20130414103819.GA27394@pengutronix.de> <516AB111.3000007@tabi.org> <20130414141015.GC27394@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20130414141015.GC27394@pengutronix.de> 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: Markus Pargmann Cc: Fabio Estevam , alsa-devel@alsa-project.org, devicetree-discuss@lists.ozlabs.org, Mark Brown , Liam Girdwood , Grant Likely , Sascha Hauer , Shawn Guo , linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Markus Pargmann wrote: > In general, imx27 does support SSI with DMA, for example > MACH_IMX27_VISSTRIM_M10 does use SSI with DMA. But there are special > boards like Eukrea TLV320 and phycore-ac97 that have to use FIQ instead. > All of them have a imx27 chip. Why is the decision to use FIQ board-specific? All of the hardware is inside the SoC itself. How could a board make using DMA impossible? -- Timur Tabi