lkml.org 
[lkml]   [2001]   [Jan]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch] 2.4.0: parport device IDs
Linus, here is a patch from Adam J. Richter to add the tiny kernel
hook for device-id based parport device driver module loading, as well
as an example usage in lp.c. (The code for making use of it is already
in modutils.)

Tim.
*/

2001-01-05 Adam J. Richter <adam@yggdrasil.com>

* include/linux/parport.h: Declare parport_device_id.
* drivers/char/lp.c: Use it as MODULE_DEVICE_TABLE.

--- linux-2.4.0/include/linux/parport.h.devid Tue Aug 8 13:39:21 2000
+++ linux-2.4.0/include/linux/parport.h Fri Jan 5 10:58:18 2001
@@ -91,6 +91,10 @@
/* Flags for block transfer operations. */
#define PARPORT_EPP_FAST (1<<0) /* Unreliable counts. */

+struct parport_device_id {
+ const char *pattern;
+};
+
/* The rest is for the kernel only */
#ifdef __KERNEL__

--- linux-2.4.0/drivers/char/lp.c.devid Fri Jan 5 10:58:18 2001
+++ linux-2.4.0/drivers/char/lp.c Fri Jan 5 10:58:18 2001
@@ -141,6 +141,17 @@
/* ROUND_UP macro from fs/select.c */
#define ROUND_UP(x,y) (((x)+(y)-1)/(y))

+/* printer_ieee1284_id is declared as its own variable so that it
+ can be in the __initdata section. */
+static __initdata char printer_ieee1284_id[] = "CLS:PRINTER";
+
+static __initdata struct parport_device_id printer_id_tbl[] = {
+ { printer_ieee1284_id },
+ { }
+};
+
+MODULE_DEVICE_TABLE(parport, printer_id_tbl);
+
static devfs_handle_t devfs_handle = NULL;

struct lp_struct lp_table[LP_NO];
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 12:52    [W:3.251 / U:0.624 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site