[PATCH] Eagle and ADI 930 usb adsl modem driver

Duncan Sands duncan.sands at math.u-psud.fr
Wed Nov 2 02:45:54 EST 2005


> > this code looks like a 'orrible hack to work around a common problem
> > with USB modem's of this type: if the modem is plugged in while the
> > system boots, the driver may look for firmware before the filesystem
> 
> No, it wasn't the problem, even when loading with insmod/modprobe the 
> timeout occurs on some configurations. For example on 
> http://atm.eagle-usb.org/wakka.php?wiki=TestUEagleAtmBaud123, you could 
> see the 'firmware ueagle-atm/eagleIII.fw is not available' error.
> 
> It is only happen for pre-firmware modem (uea_load_firmware) ie where we 
> just do a request_firmware in the probe without any initialisation before.
> So the problem seems to appear when we do a request_firmware too early 
> in the usb_probe.

That sounds pretty strange.  Maybe when probe is called the driver model
device (sysfs) is not completely setup, in any case not enough to support
firmware loading?

Ciao,

Duncan.



More information about the Usbatm mailing list