linux-kernel - Re: [PATCHv1 2/6] dmaengine: dw_dmac: add driver for Atmel AT32

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Message-ID: <CAOh2x=k=WPh4uPor=K+J752dR-pqZbieytkx-G7JGt+6LE_qSw@mail.gmail.com>
Date:	Wed, 26 Sep 2012 12:21:12 +0530
From:	viresh kumar <viresh.kumar@...aro.org>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Vinod Koul <vinod.koul@...el.com>, linux-kernel@...r.kernel.org,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	spear-devel <spear-devel@...t.st.com>
Subject: Re: [PATCHv1 2/6] dmaengine: dw_dmac: add driver for Atmel AT32

On Wed, Sep 26, 2012 at 12:17 PM, Andy Shevchenko
<andriy.shevchenko@...ux.intel.com> wrote:

> This separate driver makes no sense in case it is built properly without
> CLK framework. Let me check this and leave comments at patch 1/6.

Following is the commit that introduced this change :)

commit 93abe8e4b13ae9a0428ce940a8a03ac72a7626f1
Author: Viresh Kumar <viresh.kumar@...com>
Date:   Mon Jul 30 14:39:27 2012 -0700

    clk: add non CONFIG_HAVE_CLK routines

    Many drivers are shared between architectures that may or may not have
    HAVE_CLK selected for them.  To remove compilation errors for them we
    enclose clk_*() calls in these drivers within #ifdef CONFIG_HAVE_CLK,
    #endif.

    This patch removes the need of these CONFIG_HAVE_CLK statements, by
    introducing dummy routines when HAVE_CLK is not selected by platforms.
    So, definition of these routines will always be available.  These calls
    will return error for platforms that don't select HAVE_CLK.

    Signed-off-by: Viresh Kumar <viresh.kumar@...com>
    Cc: Wolfram Sang <w.sang@...gutronix.de>
    Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
    Cc: Jeff Garzik <jgarzik@...hat.com>
    Cc: Andrew Lunn <andrew@...n.ch>
    Cc: Bhupesh Sharma <bhupesh.sharma@...com>
    Cc: Giuseppe Cavallaro <peppe.cavallaro@...com>
    Cc: Russell King <rmk@....linux.org.uk>
    Cc: Mike Turquette <mturquette@...aro.org>
    Cc: Sergei Shtylyov <sshtylyov@...mvista.com>
    Cc: viresh kumar <viresh.linux@...il.com>
    Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
    Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
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