From: Oliver Neukum <oneukum@suse.com>
To: Hayes Wang <hayeswang@realtek.com>
Cc: "netdev@vger.kernel.org" <netdev@vger.kernel.org>,
nic_swsd <nic_swsd@realtek.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>
Subject: Re: [PATCH net v2 2/2] r8152: reset device when tx timeout
Date: Tue, 28 Jul 2015 14:58:37 +0200 [thread overview]
Message-ID: <1438088317.1787.5.camel@suse.com> (raw)
In-Reply-To: <0835B3720019904CB8F7AA43166CEEB2F3C538@RTITMBSV03.realtek.com.tw>
On Tue, 2015-07-28 at 12:31 +0000, Hayes Wang wrote:
> Oliver Neukum [mailto:oneukum@suse.com]
> > Sent: Tuesday, July 28, 2015 8:14 PM
> [...]
> > > static void rtl8152_tx_timeout(struct net_device *netdev) {
> > > struct r8152 *tp = netdev_priv(netdev);
> > > - int i;
> > >
> > > netif_warn(tp, tx_err, netdev, "Tx timeout\n");
> > > - for (i = 0; i < RTL8152_MAX_TX; i++)
> > > - usb_unlink_urb(tp->tx_info[i].urb);
> > > +
> > > + usb_queue_reset_device(tp->intf);
> > > + cancel_delayed_work(&tp->schedule);
> >
> > Sorry to bother you again, but this looks wrong.
> > You want to cancel first. There is no point in running any work before the reset is
> > done. It will undo any progress anyway.
>
> Excuse me. Do you mean I don't need cancel the other work because it wouldn't be
> run before the reset is finished?
No, whatever the other work will do, the reset will undo.
Regards
Oliver
next prev parent reply other threads:[~2015-07-28 12:58 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-28 7:36 [PATCH net 0/2] r8152: device reset Hayes Wang
2015-07-28 7:36 ` [PATCH net 1/2] r8152: add pre_reset and post_reset Hayes Wang
2015-07-28 8:52 ` Oliver Neukum
[not found] ` <1438073562.11934.2.camel-IBi9RG/b67k@public.gmane.org>
2015-07-28 9:52 ` Hayes Wang
2015-07-28 12:05 ` Oliver Neukum
2015-07-28 7:36 ` [PATCH net 2/2] r8152: reset device when tx timeout Hayes Wang
2015-07-28 8:56 ` Oliver Neukum
2015-07-28 9:52 ` Hayes Wang
2015-07-28 12:08 ` [PATCH net v2 0/2] r8152: device reset Hayes Wang
2015-07-28 12:08 ` [PATCH net v2 1/2] r8152: add pre_reset and post_reset Hayes Wang
2015-07-28 12:08 ` [PATCH net v2 2/2] r8152: reset device when tx timeout Hayes Wang
2015-07-28 12:14 ` Oliver Neukum
2015-07-28 12:31 ` Hayes Wang
2015-07-28 12:58 ` Oliver Neukum [this message]
2015-07-29 2:06 ` Hayes Wang
2015-07-29 7:22 ` Oliver Neukum
2015-07-29 11:09 ` Hayes Wang
2015-07-29 12:39 ` [PATCH net v3 0/2] r8152: device reset Hayes Wang
2015-07-29 12:39 ` [PATCH net v3 1/2] r8152: add pre_reset and post_reset Hayes Wang
2015-07-29 12:39 ` [PATCH net v3 2/2] r8152: reset device when tx timeout Hayes Wang
2015-07-30 21:04 ` [PATCH net v3 0/2] r8152: device reset David Miller
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