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

Subhasish Ghosh subhasish at mistralsolutions.com
Fri Feb 18 03:15:57 EST 2011


> On 02/18/2011 08:07 AM, Subhasish Ghosh wrote:
>> --------------------------------------------------
>> From: "Kurt Van Dijck" <kurt.van.dijck at eia.be>
>
> ...
>>>> + /* 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.

-Subhasish 




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