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From: mkl@pengutronix.de (Marc Kleine-Budde)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 09/13] can: pruss CAN driver.
Date: Fri, 18 Feb 2011 09:36:22 +0100	[thread overview]
Message-ID: <4D5E2F86.1020400@pengutronix.de> (raw)
In-Reply-To: <184FA07B783D4F5FAAC09D5C11737A3F@subhasishg>

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     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

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  reply	other threads:[~2011-02-18  8:36 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-11 14:51 [PATCH v2 00/13] pruss mfd drivers Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 01/13] mfd: pruss mfd driver Subhasish Ghosh
2011-02-21 16:30   ` Samuel Ortiz
2011-02-22  5:43     ` Subhasish Ghosh
2011-02-22 10:31       ` Samuel Ortiz
2011-02-22 10:48         ` Wolfgang Grandegger
2011-02-22 11:33           ` Samuel Ortiz
2011-02-22 12:49             ` Subhasish Ghosh
2011-02-22 16:27               ` Wolfgang Grandegger
2011-02-23 12:25         ` Subhasish Ghosh
2011-02-23 13:09         ` Russell King - ARM Linux
2011-02-11 14:51 ` [PATCH v2 02/13] da850: pruss platform specific additions Subhasish Ghosh
2011-02-11 18:41   ` Sergei Shtylyov
2011-02-18  7:18     ` Subhasish Ghosh
2011-02-28 13:04   ` TK, Pratheesh Gangadhar
2011-03-01  6:59     ` Subhasish Ghosh
2011-03-03 11:12       ` TK, Pratheesh Gangadhar
2011-02-11 14:51 ` [PATCH v2 03/13] da850: pruss board " Subhasish Ghosh
2011-02-11 18:43   ` Sergei Shtylyov
2011-02-18  7:18     ` Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 04/13] mfd: pruss CAN private data Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 05/13] da850: pruss CAN platform specific additions Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 06/13] da850: pruss CAN board " Subhasish Ghosh
2011-02-11 18:45   ` Sergei Shtylyov
2011-02-18  7:19     ` Subhasish Ghosh
2011-02-18  7:19     ` Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 07/13] da850: pruss CAN platform specific changes for gpios Subhasish Ghosh
2011-02-11 18:47   ` Sergei Shtylyov
2011-02-18  7:20     ` Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 08/13] da850: pruss CAN board " Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 09/13] can: pruss CAN driver Subhasish Ghosh
2011-02-11 15:06   ` Kurt Van Dijck
2011-02-14  4:54     ` Subhasish Ghosh
     [not found]       ` <4D58D854.5090503@grandegger.com>
2011-02-14  7:42         ` Kurt Van Dijck
2011-02-14  8:45         ` Subhasish Ghosh
     [not found]           ` <4D58F77B.9080005@pengutronix.de>
2011-02-14 13:15             ` Subhasish Ghosh
2011-02-11 15:20   ` Kurt Van Dijck
2011-02-18  7:07     ` Subhasish Ghosh
     [not found]       ` <4D5E2570.10108@grandegger.com>
2011-02-18  8:15         ` Subhasish Ghosh
2011-02-18  8:36           ` Marc Kleine-Budde [this message]
2011-02-18  9:09             ` Subhasish Ghosh
2011-02-18 15:07   ` Arnd Bergmann
2011-03-22  7:30     ` Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 10/13] mfd: pruss SUART private data Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 11/13] da850: pruss SUART board specific additions Subhasish Ghosh
2011-02-11 15:26   ` Michael Williamson
2011-02-18  7:13     ` Subhasish Ghosh
2011-02-11 18:50   ` Sergei Shtylyov
2011-02-22  6:22     ` Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 12/13] da850: pruss SUART platform " Subhasish Ghosh
2011-02-11 18:55   ` Sergei Shtylyov
2011-02-22  9:18     ` Subhasish Ghosh
2011-02-22 11:20       ` Sergei Shtylyov
2011-02-22 13:24         ` Subhasish Ghosh
2011-02-11 14:51 ` [PATCH v2 13/13] tty: pruss SUART driver Subhasish Ghosh
2011-02-11 16:28   ` Alan Cox
2011-02-18 13:47     ` Subhasish Ghosh
2011-02-18 14:35       ` Alan Cox
2011-02-18 18:23         ` Thomas Gleixner
2011-02-18 18:51           ` Arnd Bergmann
2011-02-22  8:42             ` Subhasish Ghosh
2011-02-22 14:37               ` Greg KH
2011-02-23  5:30                 ` Subhasish Ghosh
2011-02-23 18:20                   ` Greg KH
2011-02-22  8:43             ` Subhasish Ghosh
2011-02-22 16:34               ` Arnd Bergmann
2011-02-24 10:31                 ` Subhasish Ghosh
2011-02-22 10:26     ` Subhasish
2011-02-22 11:11       ` Alan Cox
2011-03-01 13:37         ` Subhasish Ghosh
2011-03-01 14:07           ` Alan Cox

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