lkml.org 
[lkml]   [2004]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectlinux2.6.1 - sym53c8xx: wide:0 documented, but not supported?
Hello!


I do own an SCSI host controller from Dawicontrol
( http://www.dawicontrol.com/ ). Model name is "DC-2975 U".

This host controller has a problem wich is covered within
the documentation inside kernel 2.6.1 in the file
"Documentation/scsi/sym53c8xx_2.txt":

> 10.2.9 Max wide
> wide:1 wide scsi enabled
> wide:0 wide scsi disabled
> Some scsi boards use a 875 (ultra wide) and only supply narrow connectors.
> If you have connected a wide device with a 50 pins to 68 pins cable
> converter, any accepted wide negotiation will break further data transfers.
> In such a case, using "wide:0" in the bootup command will be helpfull.


The controller works fine with linux 2.4.x when "wide:0" is set. But
it looks like this option is not supported with linux 2.6.x. I do think so
because of two reasons:

1) Setting it seems to have no effect.
2) From looking at the source:
File drivers/scsi/sym53c8xx_2/sym_glue.c defines this:

>static char setup_token[] __initdata =
> "tags:" "burst:"
> "led:" "diff:"
> "irqm:" "buschk:"
> "hostid:" "revprob:"
> "verb:" "debug:"
> "settle:" "nvram:"
> "excl:" "safe:"
> ;

"wide:0" is missing. I am not good with C and I might be wrong here.
But reason no. 1 remains true still.


Can anyone confirm if my controller is not supported by linux2.6.x?
If yes, does anyone know if there is a patch or some other help
available? Is anyone working on this?


Regards
Florian


--
Florian Hinzmann private: f.hinzmann@hamburg.de
Debian: fh@debian.org
PGP Key / ID: 1024D/B4071A65
Fingerprint : F9AB 00C1 3E3A 8125 DD3F DF1C DF79 A374 B407 1A65
-
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/

\
 
 \ /
  Last update: 2005-03-22 14:00    [W:0.223 / U:0.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site