Hi Ralf,
On Fri, Mar 29, 2002 at 11:35:59PM -0800, Ralf Baechle wrote:
> On Fri, Mar 29, 2002 at 11:32:44AM +0100, Raoul Borenius wrote:
>
> > I'm not sure if this is a devfs or mips problem so I'm sending it
> > to both lists.
> >
> > I just compiled my own mips-kernel from oss.sgi.com:/cvs to get
> > devfs-support. Unfortunately there seems to be a problem with the
> > serial-driver at least in the linux_2_4 branch:
> >
> > SGI Zilog8530 serial driver version 1.00
> > devfs_register(ttyS): could not append to parent, err: -17
> > devfs_register(cua): could not append to parent, err: -17
>
> At this time we don't even claim to have proper devfs support in the
> Indy serial drivers ...
But it would be nice to have ;-)
Especially because you only need the small change pointed out by
Russell Coker:
--- sgiserial.c.orig Sat Mar 30 10:51:03 2002
+++ sgiserial.c Sat Mar 30 10:54:28 2002
@@ -1875,7 +1875,11 @@
memset(&serial_driver, 0, sizeof(struct tty_driver));
serial_driver.magic = TTY_DRIVER_MAGIC;
+#ifdef CONFIG_DEVFS_FS
+ serial_driver.name = "tts/%d";
+#else
serial_driver.name = "ttyS";
+#endif
serial_driver.major = TTY_MAJOR;
serial_driver.minor_start = 64;
serial_driver.num = NUM_CHANNELS;
@@ -1911,7 +1915,11 @@
* major number and the subtype code.
*/
callout_driver = serial_driver;
+#ifdef CONFIG_DEVFS_FS
+ callout_driver.name = "cua/%d";
+#else
callout_driver.name = "cua";
+#endif
callout_driver.major = TTYAUX_MAJOR;
callout_driver.subtype = SERIAL_TYPE_CALLOUT;
It works for my Indy and I just love devfs. All other drivers used
on my box also work fine with devfs (sound, watchdog, rtc etc.).
Regards
Raoul
