From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
To: linux-sh@vger.kernel.org
Subject: Re: [PATCH v2 2/4] sh-pfc: sh73a0: Add VCCQ MC0 regulator
Date: Thu, 25 Apr 2013 12:27:32 +0000 [thread overview]
Message-ID: <1698292.2RjPeMUeES@avalon> (raw)
In-Reply-To: <1366840828-17335-3-git-send-email-laurent.pinchart+renesas@ideasonboard.com>
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On Thursday 25 April 2013 13:16:49 Mark Brown wrote:
> On Thu, Apr 25, 2013 at 01:18:39PM +0200, Laurent Pinchart wrote:
> > On Thursday 25 April 2013 12:07:18 Mark Brown wrote:
> > > You could use an MMIO regmap providing the performance isn't critical
> > > enough for that to cause problems.
> >
> > Can you share a regmap object between two separate drivers for two
> > separate
> > platform devices ?
>
> Yes, this is commonly done with MFDs for example.
I've had a quick look at the code, the regmap is passed through platform data
to the subdevices. With such an approach I could even pass the lock down to
the regulator driver (not that it would be a good idea of course).
I'll push the code as-is for now, but I'll this in mind when migrating the PFC
driver to regmap.
--
Regards,
Laurent Pinchart
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next prev parent reply other threads:[~2013-04-25 12:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-24 22:00 [PATCH v2 2/4] sh-pfc: sh73a0: Add VCCQ MC0 regulator Laurent Pinchart
2013-04-25 11:07 ` Mark Brown
2013-04-25 11:18 ` Laurent Pinchart
2013-04-25 12:16 ` Mark Brown
2013-04-25 12:27 ` Laurent Pinchart [this message]
2013-04-25 12:37 ` Mark Brown
2013-04-25 13:27 ` Linus Walleij
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