[Prism54-users] firmware.agent - how to manualy load fw

[Marcel Holtmann]

Hi Dominik,

> I know that problem is in hotplug scrits, but I can‘t get them work –
> because it need awk, modprobe, bash etc., which are not present at LRP
> distro.
> 
> But what I know it that everything I have to do is something like:
> 
>  
> 
> echo 1 > $SYSFS/$DEVPATH/loading
> 
> cp $FIRMWARE_DIR/$FIRMWARE $SYSFS/$DEVPATH/data
> 
> echo 0 > $SYSFS/$DEVPATH/loading
> 
>  
> 
> I cut this lines from firmware agent. Seems to me that I can use
> firmware.agent file insted of /sbin/hotplug. If I will be able to get
> $DEVPATH, the rest is simple
> 
> $SYSFS is /proc for 2.4 kernels, $FIRMWARE_DIR is
> /usr/lib/hotplug/firmware $FIRMWARE is isl3890. /sbin/hotplug is
> invoked by driver so I can load firmware into the card. It isn’t cute
> way how to do this but should work.
> 
>  
> 
> My question is: is it realy so simple or I missed something important?
> 
> How I can find out $DEVPATH? 

the $DEVPATH is only valid for the call time of request_firmware() and
this means that you need a working hotplug framework. You can take a
look at the diethotplug package or replace the complete hotplug scripts
with some that are only specialized for firmware loading.

Regards

Marcel