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SubjectRe: Serial Driver Name Question (kernels 2.4.x)
[ tty driver name breakage ]

Richard, can we please get this wrapped up?

My preferred approach is to change the driver naming scheme
so that we don't have to put printf control-strings everywhere.
We can remove a number of ifdefs that way.

So for serial.c:

--- linux-2.4.18-pre2/drivers/char/tty_io.c Mon Jan 7 16:48:02 2002
+++ linux-akpm/drivers/char/tty_io.c Mon Jan 7 20:56:38 2002
@@ -193,10 +193,13 @@ _tty_make_name(struct tty_struct *tty, c

if (!tty) /* Hmm. NULL pointer. That's fun. */
strcpy(buf, "NULL tty");
- else
- sprintf(buf, name,
- idx + tty->driver.name_base);
-
+ else {
+#ifdef CONFIG_DEVFS_FS
+ sprintf(buf, "%s/%d", name, idx + tty->driver.name_base);
+#else
+ sprintf(buf, "%s%d", name, idx + tty->driver.name_base);
+#endif
+ }
return buf;
}

--- linux-2.4.18-pre2/drivers/char/serial.c Mon Jan 7 16:48:02 2002
+++ linux-akpm/drivers/char/serial.c Mon Jan 7 20:58:09 2002
@@ -5387,7 +5387,7 @@ static int __init rs_init(void)
serial_driver.driver_name = "serial";
#endif
#if (LINUX_VERSION_CODE > 0x2032D && defined(CONFIG_DEVFS_FS))
- serial_driver.name = "tts/%d";
+ serial_driver.name = "tts";
#else
serial_driver.name = "ttyS";
#endif
-
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