From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Date: Thu, 12 Nov 2015 01:24:58 +0000 Subject: Re: [PATCH 1/3] ARM: shmobile: r8a7793: Add DMAC devices to DT Message-Id: <20151112012458.GC19649@verge.net.au> List-Id: References: <1447139641-11480-1-git-send-email-horms+renesas@verge.net.au> <1447139641-11480-2-git-send-email-horms+renesas@verge.net.au> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On Wed, Nov 11, 2015 at 01:58:09AM +0900, Magnus Damm wrote: > Hi Simon, > > On Tue, Nov 10, 2015 at 4:13 PM, Simon Horman > wrote: > > Instantiate the two system DMA controllers in the r8a7793 device tree. > > > > Based on similar work for the r8a7793 by Laurent Pinchart. > > > > Cc: Laurent Pinchart > > Signed-off-by: Simon Horman > > --- > > arch/arm/boot/dts/r8a7793.dtsi | 72 ++++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 72 insertions(+) > > > > diff --git a/arch/arm/boot/dts/r8a7793.dtsi b/arch/arm/boot/dts/r8a7793.dtsi > > index 4f6480f8845f..187a82dc7d9f 100644 > > --- a/arch/arm/boot/dts/r8a7793.dtsi > > +++ b/arch/arm/boot/dts/r8a7793.dtsi > > @@ -128,6 +128,68 @@ > > #gpio-range-cells = <3>; > > }; > > > > + dmac0: dma-controller@e6700000 { > > + compatible = "renesas,rcar-dmac"; > > Thanks for cooking up this patch. It looks fine to me, but it reminds > me about compat string handling. > > Is there any special reason why we don't use the SoC part number in > the compatible string for DMAC devices? Thanks. I will try and resolve that separately to this patchset.