Subject: Re: [PATCH v2 09/13] can: pruss CAN driver.

From: Marc Kleine-Budde <[email-masked]>
Date: Fri, 18 Feb 2011 09:36:22 +0100

On 02/18/2011 09:15 AM, Subhasish Ghosh wrote:
>> On 02/18/2011 08:07 AM, Subhasish Ghosh wrote:
>>> --------------------------------------------------
>>> From: "Kurt Van Dijck" <kurt.van.dijck-/[email-masked]>
>>
>> ...
>>>>> + /* register interrupt handler */
>>>>> + err = request_irq(priv->trx_irq, &omapl_rx_can_intr, IRQF_SHARED,
>>>>> +   "pru_can_irq", ndev);
>>>> you're doing a lot of work _in_ the irq handler. Maybe threaded irq?
>>>>
>>> SG -Ok, will do
>>
>> No, please use NAPI instead.
> 
> We are using h/w filters, so the number of interrupts coming into the
> processor are not hogging it.
> I feel that we may not require an interrupt mitigation.

As davem stated the other day, all new drivers should use NAPI.

regards, Marc
-- 
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