From: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Pankaj Dubey <pankaj.dubey-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org,
frowand.list-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org,
krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
Smitha T Murthy
<smitha.t-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
Subject: Re: [PATCH] of: reserved_mem: set dma_ops for devices using reserved mem
Date: Wed, 4 Jan 2017 14:02:09 -0600 [thread overview]
Message-ID: <20170104200209.pefpffxssu46qqcq@rob-hp-laptop> (raw)
In-Reply-To: <1482299071-22637-1-git-send-email-pankaj.dubey-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
On Wed, Dec 21, 2016 at 11:14:31AM +0530, Pankaj Dubey wrote:
> From: Smitha T Murthy <smitha.t-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
>
> 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-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
> Signed-off-by: Pankaj Dubey <pankaj.dubey-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
> ---
> drivers/of/of_reserved_mem.c | 4 ++++
> 1 file changed, 4 insertions(+)
Applied, thanks.
Rob
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prev parent reply other threads:[~2017-01-04 20:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20161221054333epcas5p1e27800790de041d997b4fb297cb759c3@epcas5p1.samsung.com>
2016-12-21 5:44 ` [PATCH] of: reserved_mem: set dma_ops for devices using reserved mem Pankaj Dubey
[not found] ` <1482299071-22637-1-git-send-email-pankaj.dubey-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
2016-12-28 10:55 ` Marek Szyprowski
2017-01-04 20:02 ` Rob Herring [this message]
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