From: David Miller <davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org>
To: dcbw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
duncan.sands-GANU6spQydw@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
hicham.haouari-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
Subject: Re: [PATCH] ueagle-atm: fix PHY signal initialization race
Date: Tue, 28 Dec 2010 13:42:01 -0800 (PST) [thread overview]
Message-ID: <20101228.134201.189717347.davem@davemloft.net> (raw)
In-Reply-To: <1292782671.5282.20.camel-wKZy7rqYPVb5EHUCmHmTqw@public.gmane.org>
From: Dan Williams <dcbw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Date: Sun, 19 Dec 2010 12:17:50 -0600
> A race exists when initializing ueagle-atm devices where the generic atm
> device may not yet be created before the driver attempts to initialize
> it's PHY signal state, which checks whether the atm device has been
> created or not. This often causes the sysfs 'carrier' attribute to be
> '1' even though no signal has actually been found.
>
> uea_probe
> usbatm_usb_probe
> driver->bind (uea_bind)
> uea_boot
> kthread_run(uea_kthread) uea_kthread
> usbatm_atm_init uea_start_reset
> atm_dev_register UPDATE_ATM_SIGNAL
...
> Signed-off-by: Dan Williams <dcbw-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Applied, thanks Dan.
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prev parent reply other threads:[~2010-12-28 21:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-19 18:17 [PATCH] ueagle-atm: fix PHY signal initialization race Dan Williams
[not found] ` <1292782671.5282.20.camel-wKZy7rqYPVb5EHUCmHmTqw@public.gmane.org>
2010-12-28 21:42 ` David Miller [this message]
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