On Thu, Aug 7, 2014 at 1:57 AM, Takashi Iwai <ti...@suse.de> wrote: >> >> Hm? 3.16 doesn't contain my patch yet. It's merged for 3.17-rc1. >> > >> > Oh, you are right of course, I am on upstream kernel and I have your >> > patch. I don't mean your match is causing the issue though ;-). >> > >> >> I think this is what is going on and this patch is the cause: >> fw_load_from_user_helper() is a stub that returns -ENOENT with this >> patch. > > ... unless specifying the new Kconfig > CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y. This is exactly the purpose > of the commit.
Right - I figured that is the intent. > >> As a result, in _request_firmware() after fw_get_filesystem_firmware() >> fails to find the file, fw_load_from_user_helper() gets called and it >> returns right >> away with -ENOENT. >> >> In some cases if rootfs mount is in progress, fw_load_from_user_helper() >> steps into load the firmware. > > When a module in initrd requires a firmware, it should be put in > initrd, too. Right. This is something drivers have to watch out for with this change. -- Shuah -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
