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From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCHv4 3/6] dmaengine: mv_xor: remove support for dmacap,* DT properties
Date: Wed, 22 Jul 2015 10:48:47 +0530	[thread overview]
Message-ID: <20150722051847.GS23525@localhost> (raw)
In-Reply-To: <20150722051653.GR23525@localhost>

On Wed, Jul 22, 2015 at 10:46:53AM +0530, Vinod Koul wrote:
> On Wed, Jul 08, 2015 at 04:28:16PM +0200, Thomas Petazzoni wrote:

> > @@ -28,13 +31,8 @@ xor at d0060900 {
> >  
> >  	xor00 {
> >  	      interrupts = <51>;
> > -	      dmacap,memcpy;
> > -	      dmacap,xor;
> >  	};
> >  	xor01 {
> >  	      interrupts = <52>;
> > -	      dmacap,memcpy;
> > -	      dmacap,xor;
> > -	      dmacap,memset;
> I maybe wrong but there was an assumption that DT properties, even if bad
> are always there as they need to be treated as kernel ABI.
> 
> How will it work if someone has older DT implementation or older driver?
> 
> Arnd, what are the rules here and are they documented anywhere?
> 
Okay found one:
Documentation/devicetree/bindings/ABI.txt

-- 
~Vinod

  reply	other threads:[~2015-07-22  5:18 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-08 14:28 [PATCHv4 0/6] dmaengine: mv_xor fixes and improvements Thomas Petazzoni
2015-07-08 14:28 ` [PATCHv4 1/6] dmaengine: mv_xor: fix big endian operation in register mode Thomas Petazzoni
2015-07-22  5:22   ` Vinod Koul
2015-07-08 14:28 ` [PATCHv4 2/6] dmaengine: mv_xor: add suspend/resume support Thomas Petazzoni
2015-07-22  5:10   ` Vinod Koul
2015-07-29  9:34     ` Thomas Petazzoni
2015-08-19 16:53       ` Vinod Koul
2015-07-08 14:28 ` [PATCHv4 3/6] dmaengine: mv_xor: remove support for dmacap, * DT properties Thomas Petazzoni
2015-07-22  5:16   ` [PATCHv4 3/6] dmaengine: mv_xor: remove support for dmacap,* " Vinod Koul
2015-07-22  5:18     ` Vinod Koul [this message]
2015-07-27 10:44     ` Thomas Petazzoni
2015-08-19 17:00       ` Vinod Koul
2015-08-19 17:02   ` Vinod Koul
2015-07-08 14:28 ` [PATCHv4 4/6] dmaengine: mv_xor: remove mv_xor_chan->current_type field Thomas Petazzoni
2015-08-19 17:04   ` Vinod Koul
2015-07-08 14:28 ` [PATCHv4 5/6] dmaengine: mv_xor: de-duplicate mv_chan_set_mode*() Thomas Petazzoni
2015-08-19 17:05   ` Vinod Koul
2015-07-08 14:28 ` [PATCHv4 6/6] dmaengine: mv_xor: optimize performance by using a subset of the XOR channels Thomas Petazzoni
2015-08-19 17:05   ` Vinod Koul
2015-07-08 15:37 ` [PATCHv4 0/6] dmaengine: mv_xor fixes and improvements Andrew Lunn

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