2.4.3-pre4: allow more than 3 printers

PATCH New Tim Waugh 1 participant 1 message Mar 19, 2001

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Char and misc drivers Parallel port

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Tim Waugh

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2001-03-19 09:50 UTC #0 lore raw

PATCH 1/1 2.4.3-pre4: allow more than 3 printers

It's easier to add parallel ports to a machine nowadays, so the default maximum of three printer devices is becoming a bit restrictive.

Here's a patch to increase it. Any objections?

Tim.
*/

2001-03-19 Tim Waugh <[email protected]>

* include/linux/parport.h: Increase PARPORT_MAX to 16.
* drivers/char/lp.c: Increase LP_NO to 16.

include/linux/parport.h renamed from include/linux/parport.h.printers +2 -2

@@ -11,8 +11,8 @@
 
 /* Start off with user-visible constants */
 
-/* Maximum of 8 ports per machine */
-#define PARPORT_MAX  8 
+/* Maximum of 16 ports per machine */
+#define PARPORT_MAX  16
 
 /* Magic numbers */
 #define PARPORT_IRQ_NONE  -1

drivers/char/lp.c renamed from drivers/char/lp.c.printers +2 -2

@@ -135,8 +135,8 @@
 #include <asm/uaccess.h>
 #include <asm/system.h>
 
-/* if you have more than 3 printers, remember to increase LP_NO */
-#define LP_NO 3
+/* if you have more than 16 printers, remember to increase LP_NO */
+#define LP_NO 16
 
 /* ROUND_UP macro from fs/select.c */
 #define ROUND_UP(x,y) (((x)+(y)-1)/(y))