netdev - Re: [PATCH 1/5] net/davinci_cpdma: don't check for jiffies with interrupts

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Message-ID: <516FDDE2.6080500@ti.com>
Date:	Thu, 18 Apr 2013 17:19:54 +0530
From:	Mugunthan V N <mugunthanvnm@...com>
To:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
CC:	<netdev@...r.kernel.org>, <tglx@...utronix.de>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH 1/5] net/davinci_cpdma: don't check for jiffies with interrupts

On 4/18/2013 3:22 AM, Sebastian Andrzej Siewior wrote:
> __cpdma_chan_process() holds the lock with interrupts off (and its
> caller as well), same goes for cpdma_ctlr_start(). With interrupts off,
> jiffies will not make any progress and if the wait condition never gets
> true we wait for ever.
> Tgis patch adds a a simple udelay and counting down attempt.
>
> Signed-off-by: Sebastian Andrzej Siewior<bigeasy@...utronix.de>
Acked-by: Mugunthan V N <mugunthanvnm@...com>

Regards
Mugunthan V N
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