linux-kernel - Re: [PATCH 08/08] ARM: shmobile: Remove CMT renesas,channels-mask from DTS

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Message-ID: <1618432.qSqOq2tHsD@avalon>
Date:	Fri, 26 Jun 2015 00:56 +0300
From:	Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:	Magnus Damm <magnus.damm@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	SH-Linux <linux-sh@...r.kernel.org>,
	Daniel Lezcano <daniel.lezcano@...aro.org>,
	Simon Horman <horms+renesas@...ge.net.au>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 08/08] ARM: shmobile: Remove CMT renesas,channels-mask from DTS

Hi Magnus,

On Tuesday 23 June 2015 11:46:45 Magnus Damm wrote:
> On Tue, Jun 23, 2015 at 7:40 AM, Laurent Pinchart wrote:
> > On Sunday 21 June 2015 17:10:33 Magnus Damm wrote:
> >> From: Magnus Damm <damm+renesas@...nsource.se>
> >> 
> >> Update the DTS to remove the now deprecated "renesas,channels-mask"
> >> property.
> >> 
> >> The channel information is now kept in the device driver and can easily
> >> be determined based on the compat string.
> > 
> > Unless I've missed something (which is entirely possibly given the late
> > hour), the channel mask is only stored in the driver for the Gen2 CMT
> > instances.
>
> The case for sh73a0 and r8a7740 is also covered by some of the earlier
> patches in this series.

My bad, I've missed that. We should be good then.

> So unless I'm mistaken the series should cover all current in-tree CMT DT
> users that we have. I'm not aware of any out-of-tree users.
> 
> You are right that there are more unused compat strings documented, so
> those will break. I would be tempted in phasing those out somehow.
> Also, I did not spend much time cleaning up the non R-Car Gen2 cases,
> so in general that needs some love.

-- 
Regards,

Laurent Pinchart

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