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From: Lars-Peter Clausen <lars@metafoo.de>
To: Ravi Kumar V <kumarrav@codeaurora.org>
Cc: Vinod Koul <vinod.koul@intel.com>,
	Dan Williams <dan.j.williams@intel.com>,
	David Brown <davidb@codeaurora.org>,
	Daniel Walker <dwalker@fifo99.com>,
	Bryan Huntsman <bryanh@codeaurora.org>,
	Russell King <linux@arm.linux.org.uk>,
	linux-arm-msm@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org
Subject: Re: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM DMA APIs
Date: Wed, 14 Mar 2012 17:26:55 +0100	[thread overview]
Message-ID: <4F60C6CF.4090608@metafoo.de> (raw)
In-Reply-To: <1331548364-27845-1-git-send-email-kumarrav@codeaurora.org>

> [...]
> +
> +struct dma_async_tx_descriptor *msm_dma_prep_interleaved(struct dma_chan *dchan,
> +					struct dma_interleaved_template *xt,
> +					unsigned long flags, void *context)
> +{
> +
> +	struct msm_dma_chan *chan;
> +	struct msm_dma_desc_sw *new;
> +	struct adm_box_cmd_t *box_cmd_vaddr;
> +	u32 *cmd_cntrl = context;
> +
> +	if (!dchan)
> +		return ERR_PTR(-EINVAL);

This is supposed to return either NULL or a valid descriptor.

> +
> +	if (!xt)
> +		return ERR_PTR(-EINVAL);
> [...

WARNING: multiple messages have this Message-ID (diff)
From: lars@metafoo.de (Lars-Peter Clausen)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM DMA APIs
Date: Wed, 14 Mar 2012 17:26:55 +0100	[thread overview]
Message-ID: <4F60C6CF.4090608@metafoo.de> (raw)
In-Reply-To: <1331548364-27845-1-git-send-email-kumarrav@codeaurora.org>

> [...]
> +
> +struct dma_async_tx_descriptor *msm_dma_prep_interleaved(struct dma_chan *dchan,
> +					struct dma_interleaved_template *xt,
> +					unsigned long flags, void *context)
> +{
> +
> +	struct msm_dma_chan *chan;
> +	struct msm_dma_desc_sw *new;
> +	struct adm_box_cmd_t *box_cmd_vaddr;
> +	u32 *cmd_cntrl = context;
> +
> +	if (!dchan)
> +		return ERR_PTR(-EINVAL);

This is supposed to return either NULL or a valid descriptor.

> +
> +	if (!xt)
> +		return ERR_PTR(-EINVAL);
> [...

  parent reply	other threads:[~2012-03-14 16:26 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-12 10:32 [PATCH v3 2/2] DMAEngine: Add DMAEngine driver based on old MSM DMA APIs Ravi Kumar V
2012-03-12 10:32 ` Ravi Kumar V
2012-03-12 20:14 ` Daniel Walker
2012-03-12 20:14   ` Daniel Walker
2012-03-13 12:46   ` Ravi Kumar V
2012-03-13 12:46     ` Ravi Kumar V
2012-03-14 15:05     ` Daniel Walker
2012-03-14 15:05       ` Daniel Walker
2012-03-14 20:19       ` David Brown
2012-03-14 20:19         ` David Brown
2012-03-15 18:12         ` Ravi Kumar V
2012-03-15 18:12           ` Ravi Kumar V
2012-08-14 11:00       ` Linus Walleij
2012-08-14 11:00         ` Linus Walleij
     [not found]   ` <CAPDArRLs23VDJSWpX8xJsXfn+_SV2FcyzLYBF9UAxf=Rv9svGQ@mail.gmail.com>
2012-03-13 19:34     ` David Brown
2012-03-13 19:34       ` David Brown
2012-03-15 17:57     ` Ravi Kumar V
2012-03-15 17:57       ` Ravi Kumar V
2012-03-14 16:26 ` Lars-Peter Clausen [this message]
2012-03-14 16:26   ` Lars-Peter Clausen

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