linux-kernel - Re: [PATCH v1 02/12] avr32: at32ap700x: don't rely on default DMA masters

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Message-ID: <20140820060304.GA20366@samfundet.no>
Date:	Wed, 20 Aug 2014 08:03:04 +0200
From:	Hans-Christian Egtvedt <egtvedt@...fundet.no>
To:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:	Haavard Skinnemoen <hskinnemoen@...il.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Mark Brown <broonie@...nel.org>,
	Hein Tibosch <hein_tibosch@...oo.es>,
	Russell King <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Takashi Iwai <tiwai@...e.de>,
	Kweh Hock Leong <hock.leong.kweh@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Alan Cox <alan@...ux.intel.com>, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 02/12] avr32: at32ap700x: don't rely on default DMA
 masters

Around Tue 19 Aug 2014 20:29:13 +0300 or thereabout, Andy Shevchenko wrote:
> In future we are going to remove the defaults of AHB masters from dw_dmac
> driver. It means each user have to supply proper source and destination masters
> by itself explicitly.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Acked-by: Hans-Christian Egtvedt <egtvedt@...fundet.no>

> ---
>  arch/avr32/mach-at32ap/at32ap700x.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
> index 2a1aa71..ec7be28 100644
> --- a/arch/avr32/mach-at32ap/at32ap700x.c
> +++ b/arch/avr32/mach-at32ap/at32ap700x.c
> @@ -1360,6 +1360,8 @@ at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
>  				| DWC_CFGH_DST_PER(1));
>  	slave->sdata.cfg_lo &= ~(DWC_CFGL_HS_DST_POL
>  				| DWC_CFGL_HS_SRC_POL);
> +	slave->sdata.src_master = 1;
> +	slave->sdata.dst_master = 0;
>  
>  	data->dma_slave = slave;
-- 
Hans-Christian Egtvedt
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