linux-kernel - Re: [PATCH v4 00/25] dmaengine/ARM: Merge the edma drivers into one

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Message-ID: <5614F74B.206@ti.com>
Date:	Wed, 7 Oct 2015 16:13:23 +0530
From:	Sekhar Nori <nsekhar@...com>
To:	Peter Ujfalusi <peter.ujfalusi@...com>, <vinod.koul@...el.com>,
	<linux@....linux.org.uk>
CC:	<olof@...om.net>, <arnd@...db.de>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<dmaengine@...r.kernel.org>
Subject: Re: [PATCH v4 00/25] dmaengine/ARM: Merge the edma drivers into one

On Thursday 24 September 2015 03:31 PM, Peter Ujfalusi wrote:

> with this series the edma two driver setup will be changed to have only one
> driver to support eDMA3. The legacy edma interface will be removed and eDMA can
> only be used via dmaengine API from this point on.
> In order to do the merge the following improvements has been done:
> - One driver instance per eDMA:
>  - Any number of eDMA instances are supported (both legacy and DT boot)
> - Not relying on global variables, arrays, etc
> - Code simplification and optimizations in several places
> 
> This change will also help us to do bigger changes in the eDMA driver since,
> since now we have only one driver to work with.
> 
> The series has been tested on:
> da850-evm (OMAP-L138)
> - with legacy and DT boot (both eDMA0 and eDMA1 is enabled)
> - In code swapping the eDMA instances in legacy mode to make sure the second
>   instance is handled correctly.
> 
> am335x-evmsk
> - DT boot
> 
> I think this series could go via the dmaengine tree. Changes are trivial under
> arch/arm/

I tested this series on DM6446 EVM using MMC/SD as EDMA client. It
worked well. For the arch/arm/mach-davinci parts, please add

Acked-by: Sekhar Nori <nsekhar@...com>

Vinod, if you prefer me replying with acks on individual patches, I can
do that too.

Regards,
Sekhar
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