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From: Sundar R Iyer <sundar.iyer@stericsson.com>
To: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	STEricsson_nomadik_linux <STEricsson_nomadik_linux@list.st.com>,
	Liam Girdwood <lrg@slimlogic.co.uk>,
	Linus WALLEIJ <linus.walleij@stericsson.com>
Subject: Re: [PATCH 1/1] regulator: return set_mode is same mode is requested
Date: Mon, 17 May 2010 20:26:54 +0530	[thread overview]
Message-ID: <1274108214.20589.28.camel@bnru01> (raw)
In-Reply-To: <20100517144411.GD5257@opensource.wolfsonmicro.com>

On Mon, 2010-05-17 at 16:44 +0200, Mark Brown wrote:
> The commit message reads "regulator: return set_mode is same mode is
> requested".  I'm having a hard time parsing what that actually means,
> you probably need a "when" in there...
> 
Oops. My bad. I messed by typoing up the commit message.

> This is going to oops if the regulator doesn't implement a get_mode()
> operation.  
Okay. I will add a sanity check for that.

> I'm also a little ambivalent on the benefit of it - if the goal is to
> save I/O costs (you didn't say...) it's not clear to me that the effort
> of checking the current mode is going to be a win in situations where
> the mode is actually being changed a lot.
Okay. I came up across this and hence the change. This is intended when
the same mode is requested! I will edit the commit message appropriately.

> 
> As I said in reply to your previous message the trend is away from
> having any mode configration at all, with regulators being able to adapt
> to their current load without any software assistance.
I posted this as this is currently supported in the tree.

Thanx for the prompt review and reply,

Regards,
Sundar



  reply	other threads:[~2010-05-17 14:57 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-17 14:09 [PATCH 1/1] regulator: return set_mode is same mode is requested Sundar Iyer
2010-05-17 14:35 ` Liam Girdwood
2010-05-17 14:44 ` Mark Brown
2010-05-17 14:56   ` Sundar R Iyer [this message]
2010-05-17 15:15     ` Sundar R Iyer
2010-05-17 15:34       ` Mark Brown
2010-05-17 15:54         ` Sundar R Iyer
2010-05-17 16:08           ` Mark Brown
2010-05-17 19:44           ` Liam Girdwood
2010-05-17 15:18     ` Sundar R Iyer

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