linux-kernel - RE: [PATCH v2 1/2] Documentation: DT: vdma: Add clock support for vdma

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Message-ID: <C246CAC1457055469EF09E3A7AC4E11A4A57A1D8@XAP-PVEXMBX01.xlnx.xilinx.com>
Date:	Sat, 23 Apr 2016 05:37:57 +0000
From:	Appana Durga Kedareswara Rao <appana.durga.rao@...inx.com>
To:	Rob Herring <robh@...nel.org>
CC:	"pawel.moll@....com" <pawel.moll@....com>,
	"mark.rutland@....com" <mark.rutland@....com>,
	"ijc+devicetree@...lion.org.uk" <ijc+devicetree@...lion.org.uk>,
	"galak@...eaurora.org" <galak@...eaurora.org>,
	Michal Simek <michals@...inx.com>,
	Soren Brinkmann <sorenb@...inx.com>,
	"vinod.koul@...el.com" <vinod.koul@...el.com>,
	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"moritz.fischer@...us.com" <moritz.fischer@...us.com>,
	"laurent.pinchart@...asonboard.com" 
	<laurent.pinchart@...asonboard.com>,
	"luis@...ethencourt.com" <luis@...ethencourt.com>,
	Anirudha Sarangi <anirudh@...inx.com>,
	Punnaiah Choudary Kalluri <punnaia@...inx.com>,
	Shubhrajyoti Datta <shubhraj@...inx.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>
Subject: RE: [PATCH v2 1/2] Documentation: DT: vdma: Add clock support for
 vdma

Hi Rob,

	Thanks for the review...

> -----Original Message-----
> From: Rob Herring [mailto:robh@...nel.org]
> Sent: Saturday, April 23, 2016 1:07 AM
> To: Appana Durga Kedareswara Rao <appanad@...inx.com>
> Cc: pawel.moll@....com; mark.rutland@....com;
> ijc+devicetree@...lion.org.uk; galak@...eaurora.org; Michal Simek
> <michals@...inx.com>; Soren Brinkmann <sorenb@...inx.com>;
> vinod.koul@...el.com; dan.j.williams@...el.com; Appana Durga Kedareswara
> Rao <appanad@...inx.com>; moritz.fischer@...us.com;
> laurent.pinchart@...asonboard.com; luis@...ethencourt.com; Anirudha
> Sarangi <anirudh@...inx.com>; Punnaiah Choudary Kalluri
> <punnaia@...inx.com>; Shubhrajyoti Datta <shubhraj@...inx.com>;
> devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org; dmaengine@...r.kernel.org
> Subject: Re: [PATCH v2 1/2] Documentation: DT: vdma: Add clock support for
> vdma
> 
> On Wed, Apr 20, 2016 at 05:13:18PM +0530, Kedareswara rao Appana wrote:
> > This patch updates the binding doc with clock description for vdma.
> >
> > Signed-off-by: Kedareswara rao Appana <appanad@...inx.com>
> > ---
> > Changes for v2:
> > --> Listed down all the clocks supported by the h/w
> >     as suggested by the Datta.
> > --> Used IP clock names instead of shortcut clock names.
> >
> >  Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt | 8
> > ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > index fcc2b65..afe9eb7 100644
> > --- a/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > +++ b/Documentation/devicetree/bindings/dma/xilinx/xilinx_vdma.txt
> > @@ -21,6 +21,11 @@ Required properties:
> >  - dma-channel child node: Should have at least one channel and can have up
> to
> >  	two channels per device. This node specifies the properties of each
> >  	DMA channel (see child node properties below).
> > +- clocks: Input clock specifier. Refer to common clock bindings.
> > +- clock-names: List of input clocks "s_axi_lite_aclk", "m_axi_mm2s_aclk"
> > +	       "m_axi_s2mm_aclk", "m_axis_mm2s_aclk", "s_axis_s2mm_aclk"
> > +	       (list of input cloks may vary based on the ip configuration.
> 
> s/cloks/clocks/
> 
> > +		see clock bindings for more info).
> 
> This does not make sense. The common clock binding is going to tell me more
> about how the clocks vary?

I have fixed these comments in the other version (v4) you acked that patch...

Regards,
Kedar.

> 
> You need to define here how the clocks can vary.