Re: [Ltib] User Device Driver Installation

[Stuart Hughes]

Hi Todd,

The easiest thing is to make it a package and have LTIB handle it.

Another possibility is to run:
$ ./ltib -p modeps -f
after you've copied you're module to the right place.

Regards, Stuart

On 17/02/11 22:18, address@hidden wrote:
> I currently compile a device driver for my target and put it in
> /lib/modules/mydriver.ko.  This is done after LTIB is finished.
> 
> I run insmod /lib/modules/m9kdriver.ko on the target after boot.  This
> all works fine.  However, now I want to automate everything so the
> driver gets installed automatically at boot.
> 
> I added /lib/modules/m9kdriver.ko  to:  Target System Configuration --->
> Options ---> load these modules at boot
> 
> This doesn't work because depmod/modprobe expects the .ko files to be
> in: /lib/modules/`uname -r`/kernel/
> 
> I copied m9kdriver.ko to
> /lib/modules/2.6.26.3-rt3/kernel/m9k/m9kdriver.ko and hoped it would be
> loaded at boot time but it doesn't work.  lsmod shows nothing loaded.
>  depmod -n does find m9kdriver.ko.  (See below)
> 
> Specifically, this is what I would like to do: 
> 
>     1. Compile m9kdriver.ko on my own.
>     2. Copy it to the rootfs.
>     3. Tell LTIB that I want my driver to be loaded, (if I need to.)
>     4. Be happy when it loads at boot.
> 
> 
> Is this possible? Any hints?  Feel free to make recommendations if I'm
> corrupting the flow too much.
> 
> As always, much appreciated.
> Todd
> 
> Using: ltib 10.1.1 ($Revision: 1.68 $)
> Target: MPC5200
> Host: Ubuntu 10.10
> 
> 
> address@hidden /]# lsmod
> Module                  Size  Used by
> address@hidden /]# depmod -n
> /lib/modules/2.6.26.3-rt3/kernel/net/xfrm/xfrm_user.ko:
> /lib/modules/2.6.26.3-rt3/kernel/drivers/scsi/scsi_wait_scan.ko:
> /lib/modules/2.6.26.3-rt3/kernel/drivers/char/alloc_rtsj_mem.ko:
> /lib/modules/2.6.26.3-rt3/kernel/drivers/char/rmem.ko:
> */lib/modules/2.6.26.3-rt3/kernel/m9k/m9kdriver.ko:*
> # pci module         vendor     device     subvendor  subdevice  class  
>    clas
> s_mask driver_data
> # usb module        _type cu_model dev_type dev_model
> # ieee1394 module    match_flags vendor_id model_id specifier_id version
> # isapnp module      cardvendor carddevice driver_data vendor    
> function   ...
> 
> # module         matchBits bustype vendor product version evBits keyBits
> relBits
>  absBits mscBits ledBits sndBits ffBits driver_info
> # Aliases extracted from modules themselves.
> alias net-pf-16-proto-6 xfrm_user
> alias of:N*T*Cm9kdrv* *m9kdriver*
> # Aliases for symbols, used by symbol_request().
> 
> 
> 
> 
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