From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: PCIe recovery mechanism
Date: Thu, 8 Jan 2015 21:18:20 -0800 [thread overview]
Message-ID: <20150109051820.GA11564@kroah.com> (raw)
In-Reply-To: <CAJwzM1=rEDj_0Xo1X=pcrSEihOaEV5uiRVAXF=LrbN7m5ZUbzA@mail.gmail.com>
On Fri, Jan 09, 2015 at 10:19:15AM +0530, Avinash Patil wrote:
> Hello,
>
> I was wondering if there is any way to recover from FW crash in case
> of WLAN PCie cards- say we power off card and power on. This would
> enable hotplug to detect it again and driver's probe routine would do
> redownload of FW and device is alive again.
You can't power-down a pci card unless you have special hardware that
controls the power, like a pci hotplug controller. Those are not very
common.
good luck,
greg k-h
prev parent reply other threads:[~2015-01-09 5:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-09 4:49 PCIe recovery mechanism Avinash Patil
2015-01-09 5:18 ` Greg KH [this message]
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