Followup to: <02021411333501.00959@henrique.cyclades.com.br>
By author: Henrique Gobbi <henrique@cyclades.com>
In newsgroup: linux.dev.kernel
>
> Hello !!!
>
> I am trying to develop a line analyzer to my multi-serial card but I am not
> seeing a good solution to send data from the driver to the application in the
> user-space.
>
> Inittialy, I thought in use a char device, but all my minors are beeing used
> and I don't wanna to use another major.
>
> I'd like to know two things:
> 1 - Is there any way to use more than 256 minors under a major
Not until we get a larger dev_t.
> 2 - Is there a simple way to send data from the kernel-space to the
> user-space?
A character device node.
Use a minor from the miscdevice series.
-hpa
-- <hpa@transmeta.com> at work, <hpa@zytor.com> in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Fri Feb 15 2002 - 21:01:05 EST