linux-kernel - Re: Firmware during bootup

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Message-ID: <4ECA91FE.7010200@solonet.org.ua>
Date:	Mon, 21 Nov 2011 20:01:34 +0200
From:	Denis Kuzmenko <linux@...onet.org.ua>
To:	Borislav Petkov <bp@...en8.de>,
	anish kumar <anish198519851985@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	alsa-devel@...a-project.org
Subject: Re: Firmware during bootup

On 11/21/2011 05:39 PM, Borislav Petkov wrote:
> On Tue, Nov 22, 2011 at 12:28:18AM +0900, anish kumar wrote:
>> Hello Everyone,
>>
>> I have a hardware(Noise processing chip) for which I am 
>> writing the driver.Is it a good idea to download the 
>> firmware in probe function by spawing kthread?I can't download
>> the firmware using request_firmware api as this hardware
>> is required during bootup for boot-up sound and request_firmware
>> is out of question because of no support in user-space.
>>
>> Am i missing something?I am bit concerned about boot-up time
>> as well.
> 
> You could build it into the kernel, see CONFIG_EXTRA_FIRMWARE Kconfig
> help for this.
> 

You can also put it into intramfs and use usual request_firmware call.

-- 
Best regards, Denis Kuzmenko.
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