linux-kernel - Re: [PATCH] dmaengine: tegra: add slave capabilities reporting

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Message-ID: <20150106125617.GE31830@ulmo.nvidia.com>
Date:	Tue, 6 Jan 2015 13:56:18 +0100
From:	Thierry Reding <thierry.reding@...il.com>
To:	Paul Walmsley <paul@...an.com>
Cc:	Vinod Koul <vinod.koul@...el.com>,
	Paul Walmsley <pwalmsley@...dia.com>,
	Laxman Dewangan <ldewangan@...dia.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Stephen Warren <swarren@...dotorg.org>,
	Alexandre Courbot <gnurou@...il.com>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	dmaengine@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: tegra: add slave capabilities reporting

On Tue, Jan 06, 2015 at 06:44:56AM +0000, Paul Walmsley wrote:
> 
> After commit ecc19d17868be9c9f8f00ed928791533c420f3e0 ("dmaengine: Add
> a warning for drivers not using the generic slave caps retrieval"),
> the Tegra APB DMA driver causes this warning during boot:
> 
> WARNING: CPU: 0 PID: 1 at drivers/dma/dmaengine.c:830 dma_async_device_register+0x294/0x538()
> this driver doesn't support generic slave capabilities reporting
> 
> Fix by setting the appropriate reporting structure fields that are
> passed to dma_async_device_register().
> 
> Signed-off-by: Paul Walmsley <paul@...an.com>
> Cc: Paul Walmsley <pwalmsley@...dia.com>
> Cc: Laxman Dewangan <ldewangan@...dia.com>
> Cc: Vinod Koul <vinod.koul@...el.com>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Cc: Stephen Warren <swarren@...dotorg.org>
> Cc: Thierry Reding <thierry.reding@...il.com>
> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>
> Cc: Alexandre Courbot <gnurou@...il.com>
> ---
> Applies on next-20150105.  Boot-tested on Tegra132 Norrin FFD
> (with a few unrelated patches not yet in mainline to get the board to 
> boot)

Tested also on the Jetson TK1 and it fixes the same warning there:

Tested-by: Thierry Reding <treding@...dia.com>
Acked-by: Thierry Reding <treding@...dia.com>

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