linux-kernel - Re: [PATCH 00/18] ARM: s3c64xx: Let amba-pl08x driver handle DMA

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Message-ID: <20130902061656.GF7376@intel.com>
Date:	Mon, 2 Sep 2013 11:46:56 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Tomasz Figa <tomasz.figa@...il.com>
Cc:	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, alsa-devel@...a-project.org,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
	Dan Williams <djbw@...com>, Jaroslav Kysela <perex@...ex.cz>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Mark Brown <broonie@...nel.org>,
	Mike Turquette <mturquette@...aro.org>,
	Padmavathi Venna <padma.v@...sung.com>,
	Russell King <linux@....linux.org.uk>,
	Sangbeom Kim <sbkim73@...sung.com>,
	Takashi Iwai <tiwai@...e.de>
Subject: Re: [PATCH 00/18] ARM: s3c64xx: Let amba-pl08x driver handle DMA

On Sun, Aug 11, 2013 at 07:59:12PM +0200, Tomasz Figa wrote:
> This is first non-RFC version of my patches extending support of
> amba-pl08x DMA engine driver to PL080S DMA engine (PL080 modified by
> Samsung) found in Samsung S3C64xx SoCs.
> 
> Due to changes scattered across different areas of kernel, patches are
> based on merged 3 branches:
>  - for-next of Kgene's Samsung tree,
>  - clk-next of Mike's clock tree,
>  - next of Vinod's slave DMA tree.
> 
> To ease testing I have prepared a branch in my private tree for anyone
> willing to check the patches out:
> 	git://github.com/tom3q/linux.git v3.12-pl080
> 
> Dependencies (already applied in my branch):
>  - for patches 14 and 16 - CCF-based clock driver for s3c64xx.
>  
> Some of the patches not related to the amba-pl08x driver itself
> can be likely applied into appropriate trees separately, namely:
>  - 09/18 - ASoC: Samsung: Do not queue cyclic buffers multiple times,
>  - 14/18 - clk: samsung: s3c64xx: Add aliases for DMA clocks.
>  
> After patch 14/18, both old and new DMA drivers can be supported on
> S3C64xx, depending on Kconfig options. Patches 15-18 remove the old driver
> leaving support only for the generic pl08x driver. Feel free to drop those
> patches for now if we want more testing, but I don't suspect any problems.
> 
> On S3C64xx-based Mini6410 and SMDK6410 boards, with I2S audio
> playback and capture (including full duplex operation) and also SPI
> using spidev:
Applied 1-8 to slave-dma tree, thanks

~Vinod
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