linux-kernel - Re: [PATCH] spi/spi-ep93xx.c: use dma_transfer_direction instead of dma_data

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Date:	Fri, 20 Apr 2012 15:39:51 +0530
From:	Vinod Koul <vinod.koul@...ux.intel.com>
To:	Mika Westerberg <mika.westerberg@....fi>
Cc:	H Hartley Sweeten <hartleys@...ionengravers.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	spi-devel-general@...ts.sourceforge.net, grant.likely@...retlab.ca
Subject: Re: [PATCH] spi/spi-ep93xx.c: use dma_transfer_direction instead
 of dma_data_direction

On Thu, 2012-04-19 at 09:10 +0300, Mika Westerberg wrote:
> On Tue, Apr 17, 2012 at 06:46:36PM -0700, H Hartley Sweeten wrote:
> > A new enum indicating the dma channel direction was introduced by:
> > 
> > commit 49920bc66984a512f4bcc7735a61642cd0e4d6f2
> >     dmaengine: add new enum dma_transfer_direction
> > 
> > The following commit changed spi-ep93xx to use the new enum:
> > 
> > commit a485df4b4404379786c4bdd258bc528b2617449d
> >     spi, serial: move to dma_transfer_direction
> > 
> > In doing so a sparse warning was introduced: 
> > 
> > warning: mixing different enum types
> >    int enum dma_data_direction  versus
> >    int enum dma_transfer_direction
> > 
> > This is produced because the 'dir' passed in ep93xx_spi_dma_prepare
> > is an enum dma_data_direction and is being used to set the
> > dma_slave_config 'direction' which is now an enum dma_transfer_direction.
> > 
> > Fix this by converting spi-ep93xx to use the new enum type in all
> > places.
> > 
> > Signed-off-by: H Hartley Sweeten <hsweeten@...ionengravers.com>
> > Cc: Grant Likely <grant.likely@...retlab.ca>
> > Cc: Vinod Koul <vinod.koul@...ux.intel.com>
> 
> Acked-by: Mika Westerberg <mika.westerberg@....fi>
Acked-by: Vinod Koul <vinod.koul@...el.com>

-- 
~Vinod

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