From: John Talbut <jt@dpets.co.uk>
To: Arend van Spriel <arend@broadcom.com>,
Larry Finger <Larry.Finger@lwfinger.net>,
linux-wireless@vger.kernel.org
Subject: Re: Firmware loading with static kernel and initramfs
Date: Mon, 30 Jun 2014 10:08:40 +0100 [thread overview]
Message-ID: <53B12918.1060806@dpets.co.uk> (raw)
In-Reply-To: <53B11E34.60601@broadcom.com>
On 30/06/14 09:22, Arend van Spriel wrote:
> On 30-06-14 07:09, John Talbut wrote:
>> On 29/06/14 23:11, Larry Finger wrote:
>>> On 06/29/2014 02:19 PM, John Talbut wrote:
>>>> I originally had the problem with a Broadcom BCM43225 wireless. This
>>>> was with a
>>>> 3.8 kernel. This was solved by a patch to the kernel brcmsmac driver
>>>> and this
>>>> is still working with a 3.14 kernel.
>>>
>>> What sort of patch was that? Driver brcmsmac is still using
>>> request_firmware().
>>
>> I believe it was this patch:
>> https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c?id=25b5632fb35ca61b8ae3eee235edcdc2883f7a5e
>
> Correct. IFF_UP was recommended event to consider user-space ready to
> handle request_firmware. However, this may not work for drivers that
> initialize the wiphy information based on info retrieved from firmware.
>
> Regards,
> Arend
>
The command, based on your suggestion, Arend, for the Broadcom wireless,:
echo 0000:01:00.1 > /sys/bus/pci/drivers/iwlwifi/bind
brings up the Intel wireless.
Regards
John
>>>
>>>> Currently I have the problem with an Intel Centrino Wireless-N 130.
>>>> The problem
>>>> was present with a 3.11 kernel and currently with a 3.14 kernel. udev
>>>> version
>>>> 204-5linuxmint.
>>>
>>> The current Intel drivers all use request_firmware_nowait(), but I'm not
>>> sure when they were changed.
>>>
>>>> A friend seems to have the problem with a Realtek 8129se wireless but
>>>> we are
>>>> still checking out that this is the problem.
>>>
>>> To my knowledge, there is no Realtek 8129se driver. Do you mean
>>> rtl8192se? If so, that one has used request_firmware_nowait() for some
>>> time.
>>
>> Yes, the rtl8192se driver.
>>
>> John
>> --
>> To unsubscribe from this list: send the line "unsubscribe
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>
>
prev parent reply other threads:[~2014-06-30 9:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-29 17:15 Firmware loading with static kernel and initramfs John Talbut
2014-06-29 18:31 ` Larry Finger
2014-06-29 19:19 ` John Talbut
2014-06-29 22:11 ` Larry Finger
2014-06-30 5:09 ` John Talbut
2014-06-30 8:22 ` Arend van Spriel
2014-06-30 9:08 ` John Talbut [this message]
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