linux-kernel - Re: [PATCH 0/2] Fix SSI audio function regression when using ROM firmware

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Date:	Mon, 13 Jan 2014 14:52:26 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Nicolin Chen <Guangyu.Chen@...escale.com>
Cc:	dan.j.williams@...el.com, kernel@...gutronix.de,
	shawn.guo@...aro.org, fabio.estevam@...escale.com,
	dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 0/2] Fix SSI audio function regression when using ROM
 firmware

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
> 
> 

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