linux-kernel - Re: [PATCH 1/3] ARM: imx6q: refactor some ldb related clocks

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Message-ID: <20130820211827.4443.97943@quantum>
Date:	Tue, 20 Aug 2013 14:18:27 -0700
From:	Mike Turquette <mturquette@...aro.org>
To:	Fabio Estevam <festevam@...il.com>,
	Liu Ying <Ying.Liu@...escale.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	DRI mailing list <dri-devel@...ts.freedesktop.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Shawn Guo <shawn.guo@...aro.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/3] ARM: imx6q: refactor some ldb related clocks

Quoting Fabio Estevam (2013-08-20 08:40:52)
> On Tue, Aug 20, 2013 at 5:38 AM, Liu Ying <Ying.Liu@...escale.com> wrote:
> 
> > diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> > index 5a90a72..90e923e 100644
> > --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> > +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt
> > @@ -89,8 +89,6 @@ clocks and IDs.
> >         gpu3d_shader            74
> >         ipu1_podf               75
> >         ipu2_podf               76
> > -       ldb_di0_podf            77
> > -       ldb_di1_podf            78
> >         ipu1_di0_pre            79
> >         ipu1_di1_pre            80
> >         ipu2_di0_pre            81
> 
> This causes a 'hole' in the clock numbering scheme: 74, 75, 76, 79, 80, etc

How does this fit in with the idea of having a stable binding/ABI? Seems
like changing this would be a bad idea for devices in the field that
have older DTBs.

Regards,
Mike

> 
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