linux-kernel - Re: [PATCH] ATA: sata_mv: Remove uneeded CONFIG_HAVE

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Date:	Mon, 29 Jul 2013 12:00:16 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
Cc:	linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andrew Lunn <andrew@...n.ch>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Lior Amsalem <alior@...vell.com>
Subject: Re: [PATCH] ATA: sata_mv: Remove uneeded CONFIG_HAVE_CLK ifdefs

On Mon, Jul 29, 2013 at 12:21:22PM -0300, Ezequiel Garcia wrote:
> If CONFIG_HAVE_CLK is not selected, then all the clk API turn out
> into stubs, so there's no need to have the ifdefs.
> The only side-effect of this patch is the extra tiny kmalloc,
> but that's not enough reason to have such ugly ifdefs all around
> the code.
> 
> Signed-off-by: Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>

Can you please add a comment in the hpriv definition explaining what
that clk is for and how it's optional and becomes noops when not
needed?

Thanks.

-- 
tejun
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