linux-kernel - Re: wl1251: NVS firmware data

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Message-ID: <CACVXFVMMpY_99NrhLXeY-PMBFFACZxaE4hsq0+gff0YzHmeywg@mail.gmail.com>
Date:	Thu, 27 Nov 2014 23:34:47 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"John W. Linville" <linville@...driver.com>,
	Grazvydas Ignotas <notasas@...il.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	Network Development <netdev@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>,
	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Kalle Valo <kvalo@...rom.com>,
	Sebastian Reichel <sre@...g0.de>,
	David Gnedt <david.gnedt@...izone.at>
Subject: Re: wl1251: NVS firmware data

On Thu, Nov 27, 2014 at 11:24 PM, Pali Rohár <pali.rohar@...il.com> wrote:
> On Thursday 27 November 2014 16:14:48 Greg Kroah-Hartman wrote:
>> On Thu, Nov 27, 2014 at 03:43:23PM +0100, Pali Rohár wrote:
>> > Which userspace helper programs for (automatic) firmware
>> > loading are used? Can be udev configured to use own program
>> > for loading firmware instead that udev integrated which
>> > looking for firmware only in /lib/firmware files?
>>
>> The code to load firmware from userspace has been removed from
>> udev, so that's not going to work at all, sorry.
>>
>> greg k-h
>
> Ok and how to load (dynamic) firmware files into kernel? What is
> preferred way if not udev (because it removed that support)?

As I said, it isn't difficult to write a helper with uevent monitor for
your case, and you can refer to mdev or android's implementation.

Thanks,
Ming Lei
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