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

From: Andy Shevchenko
Date: Wed Sep 26 2012 - 02:56:35 EST


On Wed, Sep 26, 2012 at 9:51 AM, viresh kumar <viresh.kumar@xxxxxxxxxx> wrote:
> On Wed, Sep 26, 2012 at 12:17 PM, Andy Shevchenko
> <andriy.shevchenko@xxxxxxxxxxxxxxx> 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 :)
Thanks for pointing to it

>
> commit 93abe8e4b13ae9a0428ce940a8a03ac72a7626f1
> Author: Viresh Kumar <viresh.kumar@xxxxxx>
> Date: Mon Jul 30 14:39:27 2012 -0700
A-ha, this explains: Heikki's patches are stamped as follows

commit 7c33a7ec5f1f68c1ab06eee7ff7118a7b62db5da
Author: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
Date: Mon May 7 12:31:29 2012 +0300

>
> 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@xxxxxx>
> Cc: Wolfram Sang <w.sang@xxxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Jeff Garzik <jgarzik@xxxxxxxxxx>
> Cc: Andrew Lunn <andrew@xxxxxxx>
> Cc: Bhupesh Sharma <bhupesh.sharma@xxxxxx>
> Cc: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
> Cc: Russell King <rmk@xxxxxxxxxxxxxxxx>
> Cc: Mike Turquette <mturquette@xxxxxxxxxx>
> Cc: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
> Cc: viresh kumar <viresh.linux@xxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
> --
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--
With Best Regards,
Andy Shevchenko
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