linux-kernel - Re: [PATCH] dmaengine/ste_dma40: clear LNK on channel startup

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Message-ID: <CACRpkdZQCd_6FgeJWeugtquKyHCu-QzPJzZWi2NHJ=C1XoBneg@mail.gmail.com>
Date:	Fri, 30 Dec 2011 03:08:18 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Narayanan G <narayanan.gopalakrishnan@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org, Vinod Koul <vinod.koul@...el.com>,
	linus.walleij@...ricsson.com,
	Rabin Vincent <rabin.vincent@...ricsson.com>
Subject: Re: [PATCH] dmaengine/ste_dma40: clear LNK on channel startup

On Wed, Dec 28, 2011 at 6:57 AM, Narayanan G
<narayanan.gopalakrishnan@...ricsson.com> wrote:

> From: Rabin Vincent <rabin.vincent@...ricsson.com>
>
> Otherwise if a previously physical channel is used as a logical channel, the
> LNK may have old values which affect the operation of the logical channel since
> the LNK register has different semantics between physical and logical channels.
>
> Signed-off-by: Rabin Vincent <rabin.vincent@...ricsson.com>
> Reviewed-by: Jonas ABERG <jonas.aberg@...ricsson.com>
> Signed-off-by: Narayanan G <narayanan.gopalakrishnan@...ricsson.com>

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Thanks Narayanan!
Linus Walleij
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