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Re: Firmware loading with static kernel and initramfs

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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
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