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SubjectRe: patch "firmware loader: allow disabling of udev as firmware loader" added to driver-core tree
At Wed, 6 Aug 2014 11:10:27 +0200,
Jean-Michel Hautbois wrote:
>
> 2014-08-05 21:22 GMT+02:00 Shuah Khan <shuahkhan@gmail.com>:
> > On Tue, Aug 5, 2014 at 10:01 AM, Takashi Iwai <tiwai@suse.de> wrote:
> >>> Yes, it worked, if the firmware was in the /lib/firmware directory.
> >>
> >
> > ok it works when the firmware is in /lib/firmware. It sounds to me the
> > reason load fails when the firmware is under /sys/class/firmware is
> > fw_load_from_user_helper() returns -ENOENT when
> > CONFIG_FW_LOADER_USER_HELPER is disabled.
> >
> > It would be nice to see the entire dmesg with debug enabled though.
> >
> > -- Shuah
>
> It does not work with the 3.16 kernel even when firmware is in
> /lib/firmware, it worked before this patch is applied.

Hm? 3.16 doesn't contain my patch yet. It's merged for 3.17-rc1.

> Here is what I got in my dmesg :
> [ 0.307856] __allocate_fw_buf: fw-lattice-ecp3.bit buf=bd81a480
> [ 0.308029] lattice-ecp3 spi2.3: Direct firmware load for
> lattice-ecp3.bit failed with error -2

It's -ENOENT. Are you sure that you really have
/lib/firmware/lattice-ecp3.bit file?


Takashi

> [ 0.308078] __fw_free_buf: fw-lattice-ecp3.bit buf=bd81a480 data=
> (null) size=0
> [ 0.308094] lattice-ecp3 spi2.3: Cannot load firmware, aborting
>
> If you want specific messages, please tell me.
>
> Thanks,
> JM
>


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