From: Oliver Neukum <oneukum@suse.com>
To: Hayes Wang <hayeswang@realtek.com>
Cc: 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>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Subject: Re: [PATCH net 1/2] r8152: add pre_reset and post_reset
Date: Tue, 28 Jul 2015 14:05:37 +0200 [thread overview]
Message-ID: <1438085137.1787.2.camel@suse.com> (raw)
In-Reply-To: <0835B3720019904CB8F7AA43166CEEB2F3C3EC@RTITMBSV03.realtek.com.tw>
On Tue, 2015-07-28 at 09:52 +0000, Hayes Wang wrote:
> Oliver Neukum [mailto:oneukum@suse.com]
> > Sent: Tuesday, July 28, 2015 4:53 PM
> [...]
> > > + return 0;
> > > +
> > > + netdev = tp->netdev;
> > > + if (!netif_running(netdev))
> > > + return 0;
> > > +
> > > + ret = usb_autopm_get_interface(intf);
> > > + if (ret < 0)
> > > + return ret;
> >
> > What sense does this make?
> >
> [...]
> > > + return 0;
> > > +
> > > + netdev = tp->netdev;
> > > + if (!netif_running(netdev))
> > > + return 0;
> > > +
> > > + ret = usb_autopm_get_interface(intf);
> >
> > The device will be awake.
>
> I don't sure if the device would be in runtimesuspend, so I wake it up by myself.
> I think you mean I don't have to do this. I would remove them and resend the
> patch. Thanks.
Usbcore will resume the device.
HTH
Oliver
A.
/* Prevent autosuspend during the reset */
usb_autoresume_device(udev);
if (config) {
for (i = 0; i < config->desc.bNumInterfaces; ++i) {
struct usb_interface *cintf = config->interface[i];
struct usb_driver *drv;
int unbind = 0;
if (cintf->dev.driver) {
drv = to_usb_driver(cintf->dev.driver);
if (drv->pre_reset && drv->post_reset)
unbind = (drv->pre_reset)(cintf);
next prev parent reply other threads:[~2015-07-28 12:05 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 [this message]
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
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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