From: Wang Chen <wangchen@cn•fujitsu.com>
To: Stephen Hemminger <shemminger@vyatta•com>
Cc: David Miller <davem@davemloft•net>, netdev@vger•kernel.org
Subject: Re: [PATCH] pcnet32: round off carrier watch timer
Date: Thu, 08 Jan 2009 08:32:47 +0800 [thread overview]
Message-ID: <496549AF.3050500@cn.fujitsu.com> (raw)
In-Reply-To: <20090107121036.4e16b7cf@extreme>
Stephen Hemminger said the following on 2009-1-8 4:10:
> The link check watchdog timer on this driver fires every two seconds, but
> since not aligned it causes extra wakeups. It is more important on this
> driver than most because it is the hardware that is emulated by default
> when using network interfaces on VMware.
>
> Signed-off-by: Stephen Hemminger <shemminger@vyatta•com>
>
> --- a/drivers/net/pcnet32.c 2009-01-07 12:05:54.218712996 -0800
> +++ b/drivers/net/pcnet32.c 2009-01-07 12:06:37.430288101 -0800
> @@ -2282,7 +2282,7 @@ static int pcnet32_open(struct net_devic
> if (lp->chip_version >= PCNET32_79C970A) {
> /* Print the link status and start the watchdog */
> pcnet32_check_media(dev, 1);
> - mod_timer(&(lp->watchdog_timer), PCNET32_WATCHDOG_TIMEOUT);
> + mod_timer(&lp->watchdog_timer, PCNET32_WATCHDOG_TIMEOUT);
should be
+ mod_timer(&lp->watchdog_timer, round_jiffies(PCNET32_WATCHDOG_TIMEOUT));
same as that in pcnet32_watchdog()?
> }
>
> i = 0;
> @@ -2917,7 +2917,7 @@ static void pcnet32_watchdog(struct net_
> pcnet32_check_media(dev, 0);
> spin_unlock_irqrestore(&lp->lock, flags);
>
> - mod_timer(&(lp->watchdog_timer), PCNET32_WATCHDOG_TIMEOUT);
> + mod_timer(&lp->watchdog_timer, round_jiffies(PCNET32_WATCHDOG_TIMEOUT));
> }
>
> static int pcnet32_pm_suspend(struct pci_dev *pdev, pm_message_t state)
next prev parent reply other threads:[~2009-01-08 0:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-07 20:10 [PATCH] pcnet32: round off carrier watch timer Stephen Hemminger
2009-01-08 0:32 ` Wang Chen [this message]
2009-01-08 0:38 ` Stephen Hemminger
2009-01-08 19:17 ` David Miller
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