netdev - Re: [PATCH v3 net-next 1/1] drivers: net: davinci

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Message-ID: <5141A4A3.4050204@ti.com>
Date:	Thu, 14 Mar 2013 15:51:23 +0530
From:	Mugunthan V N <mugunthanvnm@...com>
To:	Mark Jackson <mpfj-list@...c.co.uk>
CC:	<netdev@...r.kernel.org>, <davem@...emloft.net>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>
Subject: Re: [PATCH v3 net-next 1/1] drivers: net: davinci_cpdma: acknowledge
 interrupt properly

On 3/13/2013 3:04 PM, Mark Jackson wrote:
> On 18/02/13 08:19, Mugunthan V N wrote:
>> >CPDMA interrupts are not properly acknowledged which leads to interrupt
>> >storm, only cpdma interrupt 0 is acknowledged in Davinci CPDMA driver.
>> >Changed cpdma_ctlr_eoi api to acknowledge 1 and 2 interrupts which are
>> >used for rx and tx respectively.
>> >
>> >Reported-by: Pantelis Antoniou<panto@...oniou-consulting.com>
>> >Signed-off-by: Mugunthan V N<mugunthanvnm@...com>
> Not sure if I'm seeing this same problem [1], but it doesn't appear fixed to me.
>
> I've tried both mainline -rc2 and -next.
>
> [1]https://lkml.org/lkml/2013/3/12/376
Without this patch, PG2.0 was not usable as CPSW interrupt was never acked
and CPU spent most of the time in CPSW ISR.

I have checked -rc2 and it is working fine.

Regards
Mugunthan V N
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