netdev - Re: [PATCH] davinci_cpdma: Fix channel number written to teardown registers

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Message-Id: <20120224.032349.795458855905559116.davem@davemloft.net>
Date:	Fri, 24 Feb 2012 03:23:49 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	christian.riesch@...cron.at
Cc:	netdev@...r.kernel.org, cyril@...com, yanok@...raft.com,
	ameya.palande@...com,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] davinci_cpdma: Fix channel number written to teardown
 registers

From: Christian Riesch <christian.riesch@...cron.at>
Date: Thu, 23 Feb 2012 08:58:00 +0100

> chan->chan_num is 0..CPDMA_MAX_CHANNELS-1 for tx channels and
> CPDMA_MAX_CHANNELS..2*CPDMA_MAX_CHANNELS-1 for rx channels. However,
> the rx and tx teardown registers expect zero based channel numbering.
> 
> Since the upper bits of the registers are reserved, the teardown also
> worked before, this patch is cleanup only.
> 
> Signed-off-by: Christian Riesch <christian.riesch@...cron.at>

Applied to net-next.
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