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

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

regards, Marc
--
Pengutronix e.K. | Marc Kleine-Budde |
Industrial Linux Solutions | Phone: +49-231-2826-924 |
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