Thread (3 messages) 3 messages, 2 authors, 2011-02-18

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

From: mkl@pengutronix.de (Marc Kleine-Budde)
Date: 2011-02-18 08:36:35
Also in: lkml, netdev

On 02/18/2011 09:15 AM, Subhasish Ghosh wrote:
quoted
On 02/18/2011 08:07 AM, Subhasish Ghosh wrote:
quoted
--------------------------------------------------
From: "Kurt Van Dijck" <redacted>
...
quoted
quoted
quoted
+ /* 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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