From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vinod Koul Subject: Re: [PATCH 0/2] Fix SSI audio function regression when using ROM firmware Date: Mon, 13 Jan 2014 14:52:26 +0530 Message-ID: <20140113092226.GE25466@intel.com> References: <1389170756-22351-1-git-send-email-Guangyu.Chen@freescale.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1389170756-22351-1-git-send-email-Guangyu.Chen-KZfg59tc24xl57MIdRCFDg@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Nicolin Chen Cc: dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org, shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, fabio.estevam-KZfg59tc24xl57MIdRCFDg@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org On Wed, Jan 08, 2014 at 04:45:54PM +0800, Nicolin Chen wrote: > Previously we added dual-fifo script support for SSI and SDMA, meanwhile, we > switched the default script in DT to this new script. However, there're still > quite a few people using the old version or even ROM firmware which means they > don't provide any firmware to SDMA driver. In these cases, the SDMA driver'd > fail to load essential script then the audio function broken. > > This series of patches mainly fix this issue by assigning a default script > number for ROM firmware case and reverting the default script in DT so that > all kinds of users would continue to run it with or without firmware. > > We might later need to figure out a better solution to ensure both SDMA driver > and SSI driver could adaptively switch the new script to the old one when V2 > firmware isn't provided. Applied both, Thanks -- ~Vinod > > This series of patches are based on Vinod's repository. > > Nicolin Chen (2): > Revert "ARM: dts: imx: use dual-fifo sdma script for ssi" > dma: imx-sdma: Assign a default script number for ROM firmware cases > > arch/arm/boot/dts/imx51.dtsi | 4 ++-- > arch/arm/boot/dts/imx53.dtsi | 4 ++-- > arch/arm/boot/dts/imx6qdl.dtsi | 12 ++++++------ > arch/arm/boot/dts/imx6sl.dtsi | 12 ++++++------ > drivers/dma/imx-sdma.c | 4 ++++ > 5 files changed, 20 insertions(+), 16 deletions(-) > > -- > 1.8.4 > > -- -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html