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From: andriy.shevchenko@linux.intel.com (Andy Shevchenko)
To: linux-snps-arc@lists.infradead.org
Subject: [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support
Date: Fri, 18 Nov 2016 19:46:58 +0200	[thread overview]
Message-ID: <1479491218.22212.37.camel@linux.intel.com> (raw)
In-Reply-To: <1479487989-24543-2-git-send-email-Eugeniy.Paltsev@synopsys.com>

On Fri, 2016-11-18@19:53 +0300, Eugeniy Paltsev wrote:
> All known devices, which use DT for configuration, support
> memory-to-memory transfers. So enable it by default, if we read
> configuration from DT.
> 

Acked-by: Andy Shevchenko <andriy.shevchenko at linux.intel.com>

> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev at synopsys.com>
> ---
> ?drivers/dma/dw/platform.c | 6 ++++++
> ?1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
> index 5bda0eb..aa7a5c1 100644
> --- a/drivers/dma/dw/platform.c
> +++ b/drivers/dma/dw/platform.c
> @@ -129,6 +129,12 @@ dw_dma_parse_dt(struct platform_device *pdev)
> ?	if (of_property_read_bool(np, "is_private"))
> ?		pdata->is_private = true;
> ?
> +	/*
> +	?* All known devices, which use DT for configuration, support
> +	?* memory-to-memory transfers. So enable it by default.
> +	?*/
> +	pdata->is_memcpy = true;
> +
> ?	if (!of_property_read_u32(np, "chan_allocation_order", &tmp))
> ?		pdata->chan_allocation_order = (unsigned char)tmp;
> ?

-- 
Andy Shevchenko <andriy.shevchenko at linux.intel.com>
Intel Finland Oy

WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>,
	devicetree@vger.kernel.org
Cc: mark.rutland@arm.com, vinod.koul@intel.com,
	linux-kernel@vger.kernel.org, robh+dt@kernel.org,
	dmaengine@vger.kernel.org, linux-snps-arc@lists.infradead.org
Subject: Re: [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support
Date: Fri, 18 Nov 2016 19:46:58 +0200	[thread overview]
Message-ID: <1479491218.22212.37.camel@linux.intel.com> (raw)
In-Reply-To: <1479487989-24543-2-git-send-email-Eugeniy.Paltsev@synopsys.com>

On Fri, 2016-11-18 at 19:53 +0300, Eugeniy Paltsev wrote:
> All known devices, which use DT for configuration, support
> memory-to-memory transfers. So enable it by default, if we read
> configuration from DT.
> 

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> ---
>  drivers/dma/dw/platform.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
> index 5bda0eb..aa7a5c1 100644
> --- a/drivers/dma/dw/platform.c
> +++ b/drivers/dma/dw/platform.c
> @@ -129,6 +129,12 @@ dw_dma_parse_dt(struct platform_device *pdev)
>  	if (of_property_read_bool(np, "is_private"))
>  		pdata->is_private = true;
>  
> +	/*
> +	 * All known devices, which use DT for configuration, support
> +	 * memory-to-memory transfers. So enable it by default.
> +	 */
> +	pdata->is_memcpy = true;
> +
>  	if (!of_property_read_u32(np, "chan_allocation_order", &tmp))
>  		pdata->chan_allocation_order = (unsigned char)tmp;
>  

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

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WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>,
	devicetree@vger.kernel.org
Cc: robh+dt@kernel.org, mark.rutland@arm.com,
	linux-kernel@vger.kernel.org, vinod.koul@intel.com,
	dmaengine@vger.kernel.org, linux-snps-arc@lists.infradead.org
Subject: Re: [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support
Date: Fri, 18 Nov 2016 19:46:58 +0200	[thread overview]
Message-ID: <1479491218.22212.37.camel@linux.intel.com> (raw)
In-Reply-To: <1479487989-24543-2-git-send-email-Eugeniy.Paltsev@synopsys.com>

On Fri, 2016-11-18 at 19:53 +0300, Eugeniy Paltsev wrote:
> All known devices, which use DT for configuration, support
> memory-to-memory transfers. So enable it by default, if we read
> configuration from DT.
> 

Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
> ---
>  drivers/dma/dw/platform.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
> index 5bda0eb..aa7a5c1 100644
> --- a/drivers/dma/dw/platform.c
> +++ b/drivers/dma/dw/platform.c
> @@ -129,6 +129,12 @@ dw_dma_parse_dt(struct platform_device *pdev)
>  	if (of_property_read_bool(np, "is_private"))
>  		pdata->is_private = true;
>  
> +	/*
> +	 * All known devices, which use DT for configuration, support
> +	 * memory-to-memory transfers. So enable it by default.
> +	 */
> +	pdata->is_memcpy = true;
> +
>  	if (!of_property_read_u32(np, "chan_allocation_order", &tmp))
>  		pdata->chan_allocation_order = (unsigned char)tmp;
>  

-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy

  reply	other threads:[~2016-11-18 17:46 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-18 16:53 [PATCH v2 0/2] DW DMAC: update device tree Eugeniy Paltsev
2016-11-18 16:53 ` Eugeniy Paltsev
2016-11-18 16:53 ` Eugeniy Paltsev
2016-11-18 16:53 ` [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support Eugeniy Paltsev
2016-11-18 16:53   ` Eugeniy Paltsev
2016-11-18 16:53   ` Eugeniy Paltsev
2016-11-18 17:46   ` Andy Shevchenko [this message]
2016-11-18 17:46     ` Andy Shevchenko
2016-11-18 17:46     ` Andy Shevchenko
2016-11-18 16:53 ` [PATCH v2 2/2] DW DMAC: add multi-block property to device tree Eugeniy Paltsev
2016-11-18 16:53   ` Eugeniy Paltsev
2016-11-18 17:43   ` Andy Shevchenko
2016-11-18 17:43     ` Andy Shevchenko
2016-11-18 17:43     ` Andy Shevchenko

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