linux-kernel - Re: [PATCH 1/8 resend] dw_dmac: Remove compilation dependency from AVR32

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Date:	Sat, 5 Mar 2011 11:38:17 +0000
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Shiraz Hashim <shiraz.hashim@...com>
Cc:	Viresh KUMAR <viresh.kumar@...com>,
	Linus WALLEIJ <linus.walleij@...ricsson.com>,
	"Koul, Vinod" <vinod.koul@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Armando VISCONTI <armando.visconti@...com>,
	amitgoel <amit.goel@...com>,
	"dan.j.williams@...el.com" <dan.j.williams@...el.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/8 resend] dw_dmac: Remove compilation dependency from
	AVR32

On Thu, Mar 03, 2011 at 09:49:09AM +0530, Shiraz Hashim wrote:
> On Thu, Mar 03, 2011 at 11:42:42AM +0800, Viresh KUMAR wrote:
> > On 03/02/2011 10:16 PM, Koul, Vinod wrote:
> > > On Mon, 2011-02-28 at 16:11 +0530, Viresh Kumar wrote:
> 
> [...]
> 
> > >>  drivers/dma/Kconfig |    1 -
> > >>  1 files changed, 0 insertions(+), 1 deletions(-)
> > >>
> > >> diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
> > >> index 1c28816..95c7db7 100644
> > >> --- a/drivers/dma/Kconfig
> > >> +++ b/drivers/dma/Kconfig
> > >> @@ -82,7 +82,6 @@ config INTEL_IOP_ADMA
> > >>  
> > >>  config DW_DMAC
> > >>  	tristate "Synopsys DesignWare AHB DMA support"
> > >> -	depends on AVR32
> > > Shouldn't you be adding a corresponding depends on new arch? And since
> > > this supports old arch as well, it should say depends on both...
> > 
> > Why should this driver be dependent on ARM or AVR32? It can be present
> > on any other arch too.. So i thought removing this dependency all together
> > is better.
> 
> There could be a dependency on HAVE_CLK as it uses clock APIs.

If it uses the clk APIs then it should already depend on HAVE_CLK.
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