| 1 |
Kormos Matej wrote: |
| 2 |
> Hello! |
| 3 |
> I am beginner with Gentoo and absolute rookie about writing drivers, but I |
| 4 |
> am trying to write one. |
| 5 |
> I hope I have choose the right mailing list for my questions :-) |
| 6 |
|
| 7 |
You should try the kernel-newbies mailing list, or the linux kernel mailing list. |
| 8 |
|
| 9 |
> I have encountered following error: |
| 10 |
> I have a simple char driver. Everything is working like should be, I can |
| 11 |
> compile functional driver, which after inserting into system appears in the |
| 12 |
> sys file system. |
| 13 |
> But when I add this lines in order to create my own attribute in directory |
| 14 |
> of my module: |
| 15 |
> |
| 16 |
> #include <linux/sysfs.h> |
| 17 |
> #include <linux/kobject.h> |
| 18 |
> |
| 19 |
> sysfs_create_file(&device->cdev.kobj,&pid_sfs); |
| 20 |
> |
| 21 |
> I can not insert module. Kernel says something like this: |
| 22 |
> Error inserting module -1: unknown symbol sysfs_create_file |
| 23 |
|
| 24 |
sysfs_create_file is only available to GPL modules. Is yours |
| 25 |
MODULE_LICENSE("GPL")? |
| 26 |
|
| 27 |
Daniel |
| 28 |
|
| 29 |
-- |
| 30 |
gentoo-dev@g.o mailing list |
Archives