linux-kernel - RE: [PATCH 5/5] Add DMA engine driver for Freescale MPC85xx processors.

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Message-ID: <46B96294322F7D458F9648B60E15112C85D61E@zch01exm26.fsl.freescale.net>
Date:	Tue, 11 Sep 2007 18:10:53 +0800
From:	"Zhang Wei-r63237" <Wei.Zhang@...escale.com>
To:	"Nelson, Shannon" <shannon.nelson@...el.com>, <paulus@...ba.org>
Cc:	<linux-kernel@...r.kernel.org>, <linuxppc-dev@...abs.org>,
	<galak@...nel.crashing.org>,
	"Zhu Ebony-r57400" <ebony.zhu@...escale.com>,
	<dan.j.williams@...el.com>
Subject: RE: [PATCH 5/5] Add DMA engine driver for Freescale MPC85xx processors.

> 
> If this is experimental, perhaps you should mark the depends line as
> such
> 	depends on on DMA_ENGINE && PPC && EXPERIMENTAL

I'll add EXPERIMENTAL for MPC83xx only.

> 
> [...]
> 
> >+
> >+	fsl_dma_memcpy_issue_pending(chan);
> >+	while (fsl_dma_is_complete(chan, cookie, NULL, NULL)
> >+			!= DMA_SUCCESS);
> 
> Again, is it possible to hang your thread here?
> 
> [...]

I'll add msleep here.

Thanks!

- zw
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