linux-kernel - Re: [PATCH] Revert "dmaengine: pxa_dma: add support for legacy transition"

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Date:   Thu, 20 Oct 2016 19:34:15 +0200
From:   Robert Jarzmik <robert.jarzmik@...e.fr>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     linux-arm-kernel@...ts.infradead.org,
        Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Vinod Koul <vinod.koul@...el.com>, dmaengine@...r.kernel.org,
        Baoyou Xie <baoyou.xie@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "dmaengine: pxa_dma: add support for legacy transition"

Arnd Bergmann <arnd@...db.de> writes:

> On Tuesday, October 18, 2016 8:46:32 AM CEST Robert Jarzmik wrote:
>> This reverts commit c91134d9194478144ba579ca6efeddf628055650.
>> 
>> The conversion of the pxa architecture is now finished for all
>> drivers, so this functions has fullfilled its purpose and can
>> now be removed.
>> 
>> Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
>
> Nice!
>
> That reminds me, do you have plans to work on the conversion away from
> IORESOURCE_DMA and pxad_filter_fn towards the dma_slave_map interface?
>
> I see that all pxa drivers already use dma_request_slave_channel_compat,
> so this should be fairly straightforward to do, changing only the
> driver and the arch/arm/mach-pxa/devices.c file.

I didn't so far, as I wasn't aware of this interface, but I'll gladly put that
on my todo list.

Cheers.

-- 
Robert