linux-kernel - Re: [PATCH] of: reserved_mem: set dma_ops for devices using reserved mem

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Message-ID: <20170104200209.pefpffxssu46qqcq@rob-hp-laptop>
Date:   Wed, 4 Jan 2017 14:02:09 -0600
From:   Rob Herring <robh@...nel.org>
To:     Pankaj Dubey <pankaj.dubey@...sung.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-samsung-soc@...r.kernel.org, m.szyprowski@...sung.com,
        frowand.list@...il.com, hans.verkuil@...co.com, krzk@...nel.org,
        kgene@...nel.org, Smitha T Murthy <smitha.t@...sung.com>
Subject: Re: [PATCH] of: reserved_mem: set dma_ops for devices using reserved
 mem

On Wed, Dec 21, 2016 at 11:14:31AM +0530, Pankaj Dubey wrote:
> From: Smitha T Murthy <smitha.t@...sung.com>
> 
> For some IPs, there may be virtual child devices created and for them its
> necessary to set the dma_ops if it's using reserved memory else it will call
> the dummy dma_ops during buffer operations for the child devices which will
> lead to memory mapping failure.
> 
> Signed-off-by: Smitha T Murthy <smitha.t@...sung.com>
> Signed-off-by: Pankaj Dubey <pankaj.dubey@...sung.com>
> ---
>  drivers/of/of_reserved_mem.c | 4 ++++
>  1 file changed, 4 insertions(+)

Applied, thanks.

Rob