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From: Vinod Koul <vkoul@kernel.org>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: robh+dt@kernel.org, nm@ti.com, ssantosh@kernel.org,
	dan.j.williams@intel.com, dmaengine@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, grygorii.strashko@ti.com,
	lokeshvutla@ti.com, t-kristo@ti.com, tony@atomide.com,
	j-keerthy@ti.com, vigneshr@ti.com
Subject: Re: [PATCH v7 04/12] dmaengine: Add metadata_ops for dma_async_tx_descriptor
Date: Fri, 20 Dec 2019 14:02:16 +0530	[thread overview]
Message-ID: <20191220083216.GK2536@vkoul-mobl> (raw)
In-Reply-To: <20191209094332.4047-5-peter.ujfalusi@ti.com>

Hi Peter,

On 09-12-19, 11:43, Peter Ujfalusi wrote:

> +int dmaengine_desc_attach_metadata(struct dma_async_tx_descriptor *desc,
> +				   void *data, size_t len)
> +{
> +	int ret;
> +
> +	if (!desc)
> +		return -EINVAL;
> +
> +	ret = desc_check_and_set_metadata_mode(desc, DESC_METADATA_CLIENT);
> +	if (ret)
> +		return ret;
> +
> +	if (!desc->metadata_ops || !desc->metadata_ops->attach)
> +		return -ENOTSUPP;
> +
> +	return desc->metadata_ops->attach(desc, data, len);

this looks good to me, only thing is we should check if people are
mixing the modes :)

-- 
~Vinod

WARNING: multiple messages have this Message-ID (diff)
From: Vinod Koul <vkoul@kernel.org>
To: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: nm@ti.com, devicetree@vger.kernel.org, grygorii.strashko@ti.com,
	vigneshr@ti.com, lokeshvutla@ti.com, j-keerthy@ti.com,
	linux-kernel@vger.kernel.org, t-kristo@ti.com, tony@atomide.com,
	robh+dt@kernel.org, ssantosh@kernel.org,
	dmaengine@vger.kernel.org, dan.j.williams@intel.com,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v7 04/12] dmaengine: Add metadata_ops for dma_async_tx_descriptor
Date: Fri, 20 Dec 2019 14:02:16 +0530	[thread overview]
Message-ID: <20191220083216.GK2536@vkoul-mobl> (raw)
In-Reply-To: <20191209094332.4047-5-peter.ujfalusi@ti.com>

Hi Peter,

On 09-12-19, 11:43, Peter Ujfalusi wrote:

> +int dmaengine_desc_attach_metadata(struct dma_async_tx_descriptor *desc,
> +				   void *data, size_t len)
> +{
> +	int ret;
> +
> +	if (!desc)
> +		return -EINVAL;
> +
> +	ret = desc_check_and_set_metadata_mode(desc, DESC_METADATA_CLIENT);
> +	if (ret)
> +		return ret;
> +
> +	if (!desc->metadata_ops || !desc->metadata_ops->attach)
> +		return -ENOTSUPP;
> +
> +	return desc->metadata_ops->attach(desc, data, len);

this looks good to me, only thing is we should check if people are
mixing the modes :)

-- 
~Vinod

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2019-12-20  8:32 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-09  9:43 [PATCH v7 00/12] dmaengine/soc: Add Texas Instruments UDMA support Peter Ujfalusi
2019-12-09  9:43 ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 01/12] bindings: soc: ti: add documentation for k3 ringacc Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 02/12] soc: ti: k3: add navss ringacc driver Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 03/12] dmaengine: doc: Add sections for per descriptor metadata support Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-20  8:28   ` Vinod Koul
2019-12-20  8:28     ` Vinod Koul
2019-12-20  9:52     ` Peter Ujfalusi
2019-12-20  9:52       ` Peter Ujfalusi
2019-12-20 10:14       ` Vinod Koul
2019-12-20 10:14         ` Vinod Koul
2019-12-09  9:43 ` [PATCH v7 04/12] dmaengine: Add metadata_ops for dma_async_tx_descriptor Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-20  8:32   ` Vinod Koul [this message]
2019-12-20  8:32     ` Vinod Koul
2019-12-20  8:48     ` Peter Ujfalusi
2019-12-20  8:48       ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 05/12] dmaengine: Add support for reporting DMA cached data amount Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-20  8:37   ` Vinod Koul
2019-12-20  8:37     ` Vinod Koul
2019-12-20  8:49     ` Peter Ujfalusi
2019-12-20  8:49       ` Peter Ujfalusi
2019-12-20  9:57       ` Vinod Koul
2019-12-20  9:57         ` Vinod Koul
2019-12-20 10:13         ` Peter Ujfalusi
2019-12-20 10:13           ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 06/12] dmaengine: ti: Add cppi5 header for K3 NAVSS/UDMA Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-20  9:54   ` Vinod Koul
2019-12-20  9:54     ` Vinod Koul
2019-12-20 10:42     ` Peter Ujfalusi
2019-12-20 10:42       ` Peter Ujfalusi
2019-12-23  7:11       ` Peter Ujfalusi
2019-12-23  7:11         ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 07/12] dmaengine: ti: k3 PSI-L remote endpoint configuration Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 08/12] dt-bindings: dma: ti: Add document for K3 UDMA Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-23  6:53   ` Vinod Koul
2019-12-23  6:53     ` Vinod Koul
2019-12-09  9:43 ` [PATCH v7 09/12] dmaengine: ti: New driver " Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-23  7:34   ` Vinod Koul
2019-12-23  7:34     ` Vinod Koul
2019-12-23  8:59     ` Peter Ujfalusi
2019-12-23  8:59       ` Peter Ujfalusi
2019-12-23 11:26       ` Vinod Koul
2019-12-23 11:26         ` Vinod Koul
2019-12-09  9:43 ` [PATCH v7 10/12] dmaengine: ti: k3-udma: Add glue layer for non DMAengine users Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-09  9:43 ` [PATCH v7 11/12] firmware: ti_sci: rm: Add support for tx_tdtype parameter for tx channel Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-11 10:24   ` Tero Kristo
2019-12-11 10:24     ` Tero Kristo
2019-12-09  9:43 ` [PATCH v7 12/12] dmaengine: ti: k3-udma: Wait for peer teardown completion if supported Peter Ujfalusi
2019-12-09  9:43   ` Peter Ujfalusi
2019-12-11 10:43 ` [PATCH v7 00/12] dmaengine/soc: Add Texas Instruments UDMA support Keerthy
2019-12-11 10:43   ` Keerthy
2019-12-12  8:46 ` Peter Ujfalusi
2019-12-12  8:46   ` Peter Ujfalusi
2019-12-12 10:55   ` Tero Kristo
2019-12-12 10:55     ` Tero Kristo
2019-12-12 10:57     ` Tero Kristo
2019-12-12 10:57       ` Tero Kristo
2019-12-16 10:05   ` Peter Ujfalusi
2019-12-16 10:05     ` Peter Ujfalusi
2019-12-12 18:01 ` Grygorii Strashko
2019-12-12 18:01   ` Grygorii Strashko

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