linux-kernel - Re: linux-next: build failure after merge of the slave-dma tree

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Date:	Wed, 12 Nov 2014 14:23:38 +0100
From:	Ludovic Desroches <ludovic.desroches@...el.com>
To:	Vinod Koul <vinod.koul@...el.com>
CC:	Stephen Rothwell <sfr@...b.auug.org.au>,
	<linux-next@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: Re: linux-next: build failure after merge of the slave-dma tree

Hi Vinod,

On Mon, Nov 10, 2014 at 10:36:16AM +0530, Vinod Koul wrote:
> On Mon, Nov 10, 2014 at 11:58:46AM +1100, Stephen Rothwell wrote:
> > Hi Vinod,
> > 
> > After merging the slave-dma tree, today's linux-next build (x86_64 allmodconfig)
> > failed like this:
> > 
> > drivers/dma/at_xdmac.c: In function 'at_xdmac_off':
> > drivers/dma/at_xdmac.c:317:2: error: implicit declaration of function 'writel_relaxed' [-Werror=implicit-function-declaration]
> >   at_xdmac_write(atxdmac, AT_XDMAC_GD, -1L);
> >   ^
> > 
> > Caused by commit e1f7c9eee707 ("dmaengine: at_xdmac: creation of the
> > atmel eXtended DMA Controller driver").
> Thanks Stephen,
> 
> I have fixed this error and warning, the tree is updated now

Thanks to manage it, sorry I didn't have the time to send a fix for
it. I will send you a patch to reintroduce _relaxed version of readl and
writel but I will remove COMPILE_TEST since _relaxed is not implemented
on other architectures.

Regards

Ludovic

> 
> -- 
> ~Vinod
> 
> > 
> > Also, lots of warnings like:
> > 
> > drivers/dma/at_xdmac.c: In function 'at_xdmac_prep_slave_sg':
> > include/linux/dynamic_debug.h:64:16: warning: format '%x' expects argument of type 'unsigned int', but argument 5 has type 'dma_addr_t' [-Wformat=]
> >   static struct _ddebug  __aligned(8)   \
> >                 ^
> > include/linux/dynamic_debug.h:84:2: note: in expansion of macro 'DEFINE_DYNAMIC_DEBUG_METADATA'
> >   DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt);  \
> >   ^
> > include/linux/device.h:1107:2: note: in expansion of macro 'dynamic_dev_dbg'
> >   dynamic_dev_dbg(dev, format, ##__VA_ARGS__); \
> >   ^
> > drivers/dma/at_xdmac.c:621:3: note: in expansion of macro 'dev_dbg'
> >    dev_dbg(chan2dev(chan),
> >    ^
> > 
> > I have used the slave-dma tree from next-20141106 for today.
> > -- 
> > Cheers,
> > Stephen Rothwell                    sfr@...b.auug.org.au
> 
> 
> 
> -- 


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