linux-kernel - Re: [PATCH 1/5] tty/serial: at91: use correct type for dma_sync_*_for_cpu() and dma_sync_*_for

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Date:	Fri, 9 Jan 2015 14:19:27 -0800
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
Cc:	Cyrille Pitchen <cyrille.pitchen@...el.com>, wenyou.yang@...el.com,
	ludovic.desroches@...el.com, leilei.zhao@...el.com,
	voice.shen@...el.com, josh.wu@...el.com,
	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/5] tty/serial: at91: use correct type for
 dma_sync_*_for_cpu() and dma_sync_*_for_device()

On Fri, Jan 09, 2015 at 04:13:59PM +0100, Nicolas Ferre wrote:
> Le 09/12/2014 14:31, Cyrille Pitchen a écrit :
> > dma_sync_*_for_cpu() and dma_sync_*_for_device() use 'enum dma_data_direction',
> > not 'enum dma_transfer_direction'
> > 
> > Signed-off-by: Cyrille Pitchen <cyrille.pitchen@...el.com>
> 
> Sure:
> Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
> 
> Here it's difficult to add a "stable" tag as the error was introduced by
> several different patches.

So that means it's not ok for older kernels?  That doesn't make sense...

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