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From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Mike Frysinger <vapier@gentoo.org>
Cc: Linus Walleij <linus.walleij@stericsson.com>,
	netdev@vger.kernel.org,
	Steve Glendinning <steve.glendinning@smsc.com>,
	Mathieu Poirer <mathieu.poirier@linaro.org>,
	Robert Marklund <robert.marklund@stericsson.com>,
	Paul Mundt <lethal@linux-sh.org>,
	linux-sh@vger.kernel.org, Sascha Hauer <s.hauer@pengutronix.de>,
	Tony Lindgren <tony@atomide.com>,
	linux-omap@vger.kernel.org,
	uclinux-dist-devel@blackfin.uclinux.org,
	Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH 2/2 v3] net/smsc911x: Add regulator support
Date: Thu, 27 Oct 2011 23:42:41 +0200	[thread overview]
Message-ID: <20111027214241.GA11534@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <CAJaTeTpzFOdgqGH3vDWY8Mdx7zra8R9nUQYHgsEBfy_yGkEWOw@mail.gmail.com>

On Thu, Oct 27, 2011 at 10:59:14PM +0200, Mike Frysinger wrote:

> i saw that !CONFIG_REGULATOR works great.  my concern is that these
> boards don't define any regulators for smsc resources, so if
> CONFIG_REGULATOR is enabled to test out unrelated daughter cards, i
> don't want the network driver suddenly failing.  Linus' comments
> suggest that this is what would happen unless each board file has its
> smsc platform resources extended.  maybe i misunderstood what he was saying ?

That's the case that's handled by CONFIG_REGULATOR_DUMMY - if the lookup
fails the core will provide a virtual regulator to the consumer.  If
you're running a setup like that you probably want to enable dummy
regulators anyway.

WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@opensource.wolfsonmicro.com>
To: Mike Frysinger <vapier@gentoo.org>
Cc: Linus Walleij <linus.walleij@stericsson.com>,
	netdev@vger.kernel.org,
	Steve Glendinning <steve.glendinning@smsc.com>,
	Mathieu Poirer <mathieu.poirier@linaro.org>,
	Robert Marklund <robert.marklund@stericsson.com>,
	Paul Mundt <lethal@linux-sh.org>,
	linux-sh@vger.kernel.org, Sascha Hauer <s.hauer@pengutronix.de>,
	Tony Lindgren <tony@atomide.com>,
	linux-omap@vger.kernel.org,
	uclinux-dist-devel@blackfin.uclinux.org,
	Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH 2/2 v3] net/smsc911x: Add regulator support
Date: Thu, 27 Oct 2011 21:42:41 +0000	[thread overview]
Message-ID: <20111027214241.GA11534@opensource.wolfsonmicro.com> (raw)
In-Reply-To: <CAJaTeTpzFOdgqGH3vDWY8Mdx7zra8R9nUQYHgsEBfy_yGkEWOw@mail.gmail.com>

On Thu, Oct 27, 2011 at 10:59:14PM +0200, Mike Frysinger wrote:

> i saw that !CONFIG_REGULATOR works great.  my concern is that these
> boards don't define any regulators for smsc resources, so if
> CONFIG_REGULATOR is enabled to test out unrelated daughter cards, i
> don't want the network driver suddenly failing.  Linus' comments
> suggest that this is what would happen unless each board file has its
> smsc platform resources extended.  maybe i misunderstood what he was saying ?

That's the case that's handled by CONFIG_REGULATOR_DUMMY - if the lookup
fails the core will provide a virtual regulator to the consumer.  If
you're running a setup like that you probably want to enable dummy
regulators anyway.

  reply	other threads:[~2011-10-27 21:42 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-27 12:48 [PATCH 2/2 v3] net/smsc911x: Add regulator support Linus Walleij
2011-10-27 12:48 ` Linus Walleij
2011-10-27 12:48 ` Linus Walleij
2011-10-27 13:21 ` Mike Frysinger
2011-10-27 13:21   ` Mike Frysinger
2011-10-27 15:46   ` Mark Brown
2011-10-27 15:46     ` Mark Brown
2011-10-27 20:59     ` Mike Frysinger
2011-10-27 20:59       ` Mike Frysinger
2011-10-27 21:42       ` Mark Brown [this message]
2011-10-27 21:42         ` Mark Brown
2011-10-27 22:43         ` Mike Frysinger
2011-10-27 22:43           ` Mike Frysinger
2011-10-28 20:33 ` Sascha Hauer
2011-10-28 20:33   ` Sascha Hauer
2011-10-28 23:33   ` Mike Frysinger
2011-10-28 23:33     ` Mike Frysinger

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