From: "Subhasish Ghosh" <subhasish-EvXpCiN+lbve9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
To: "Wolfgang Grandegger" <wg-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
Cc: sachi-EvXpCiN+lbve9wHmmfpqLFaTQe2KTcn/@public.gmane.org,
davinci-linux-open-source-VycZQUHpC/PFrsHnngEfi1aTQe2KTcn/@public.gmane.org,
"open list:CAN NETWORK DRIVERS"
<netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
nsekhar-l0cyMroinI0@public.gmane.org,
open list <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"open list:CAN NETWORK DRIVERS"
<socketcan-core-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org>,
m-watkins-l0cyMroinI0@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: [PATCH v2 09/13] can: pruss CAN driver.
Date: Fri, 18 Feb 2011 13:45:57 +0530 [thread overview]
Message-ID: <184FA07B783D4F5FAAC09D5C11737A3F@subhasishg> (raw)
In-Reply-To: <4D5E2570.10108-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
> On 02/18/2011 08:07 AM, Subhasish Ghosh wrote:
>> --------------------------------------------------
>> From: "Kurt Van Dijck" <kurt.van.dijck-/BeEPy95v10@public.gmane.org>
>
> ...
>>>> + /* 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
next prev parent reply other threads:[~2011-02-18 8:15 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1297435892-28278-1-git-send-email-subhasish@mistralsolutions.com>
2011-02-11 14:51 ` [PATCH v2 09/13] can: pruss CAN driver Subhasish Ghosh
[not found] ` <1297435892-28278-10-git-send-email-subhasish-EvXpCiN+lbve9wHmmfpqLFaTQe2KTcn/@public.gmane.org>
2011-02-11 15:06 ` Kurt Van Dijck
2011-02-14 4:54 ` Subhasish Ghosh
2011-02-14 7:23 ` Wolfgang Grandegger
[not found] ` <4D58D854.5090503-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2011-02-14 7:42 ` Kurt Van Dijck
2011-02-14 8:45 ` Subhasish Ghosh
2011-02-14 9:28 ` Wolfgang Grandegger
2011-02-14 9:35 ` Marc Kleine-Budde
[not found] ` <4D58F77B.9080005-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2011-02-14 13:15 ` Subhasish Ghosh
2011-02-14 13:33 ` Marc Kleine-Budde
2011-02-14 13:42 ` Wolfgang Grandegger
2011-02-11 15:20 ` Kurt Van Dijck
[not found] ` <20110211152026.GC373-MxZ6Iy/zr/UdbCeoMzGj59i2O/JbrIOy@public.gmane.org>
2011-02-18 7:07 ` Subhasish Ghosh
2011-02-18 7:53 ` Wolfgang Grandegger
[not found] ` <4D5E2570.10108-5Yr1BZd7O62+XT7JhA+gdA@public.gmane.org>
2011-02-18 8:15 ` Subhasish Ghosh [this message]
2011-02-18 8:36 ` Marc Kleine-Budde
[not found] ` <4D5E2F86.1020400-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2011-02-18 9:09 ` Subhasish Ghosh
2011-02-11 20:33 ` Wolfgang Grandegger
2011-02-11 21:33 ` Marc Kleine-Budde
2011-02-18 15:07 ` Arnd Bergmann
[not found] ` <201102181607.20787.arnd-r2nGTMty4D4@public.gmane.org>
2011-03-22 7:30 ` Subhasish Ghosh
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