Re: boot slow down

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> Hi James,
>
> On Mon, Aug 06, 2012 at 12:38:51AM -0400, James wrote:
>> On 08/05/12 17:20, Sakari Ailus wrote:
>> > Hi Andy and James,
>> >
>> > On Sat, Aug 04, 2012 at 06:28:19PM -0400, James wrote:
>> >> On 08/04/12 13:42, Andy Walls wrote:
>> >>> James <bjlockie@xxxxxxxxx> wrote:
>> >>>
>> >>>> There's a big pause before the 'unable'
>> >>>>
>> >>>> [    2.243856] usb 4-1: Manufacturer: Logitech
>> >>>> [   62.739097] cx25840 6-0044: unable to open firmware
>> >>>> v4l-cx23885-avcore-01.fw
>> >>>>
>> >>>>
>> >>>> I have a cx23885
>> >>>> cx23885[0]: registered device video0 [v4l2]
>> >>>>
>> >>>> Is there any way to stop it from trying to load the firmware?
>> >>>> What is the firmware for, analog tv? Digital works fine and analog
>> is
>> >>>> useless to me.
>> >>>> I assume it is timing out there.
>> >>>> --
>> >>>> To unsubscribe from this list: send the line "unsubscribe
>> linux-media"
>> >>>> in
>> >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx
>> >>>> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>> >>>
>> >>> The firmware is for the analog broadcast audio standard (e.g. BTSC)
>> detection microcontroller.
>> >>>
>> >>> The A/V core of the CX23885/7/8 chips is for analog vidoe and audio
>> processing (broadcast, CVBS, SVideo, audio L/R in).
>> >>>
>> >>> The A/V core of the CX23885 provides the IR unit and the Video PLL
>> provides the timing for the IR unit.
>> >>>
>> >>> The A/V core of the CX23888 provides the Video PLL which is the
>> timing for the IR unit in the CX23888.
>> >>>
>> >>> Just grab the firmware and be done with it.  Don't waste time with
>> trying to make the cx23885 working properly but halfway.
>> >>>
>> >>> Regards,
>> >>> Andy
>> >>
>> >> I already have the firmware.
>> >> # ls -l /lib/firmware/v4l-cx23885-avcore-01.fw
>> >> -rw-r--r-- 1 root root 16382 Oct 15  2011
>> /lib/firmware/v4l-cx23885-avcore-01.fw
>> >
>> > The timeout if for allowing the user space helper enough time to
>> provide the
>> > driver with the firmware, but it seems the helper isn't around as the
>> > timeout expires. Is udev running around the time of the first line? Is
>> the
>> > driver linked directly into the kernel or is it a module?
>> >
>> > Kind regards,
>> >
>> I have this set so the firmware is in the kernel.
>>
>> Symbol: FIRMWARE_IN_KERNEL [=y]
>
> I don't know about that driver, but if the udev would have to provide the
> firmware, and it's not running, the delay is expected. Two seconds after
> kernel startup is so early that the user space, including udev, might not
> yet be running.
>
> Kind regards,
>
> --
> Sakari Ailus
> e-mail: sakari.ailus@xxxxxx	jabber/XMPP/Gmail: sailus@xxxxxxxxxxxxxx

Doesn't that kernel option mean the firmware is put into the kernel at
kernel build time?

If I build the module, is there a module option to skip the delay?

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