Messages in this thread Patch in this message | | | Date | Mon, 19 Mar 2001 09:49:51 +0000 | From | Tim Waugh <> | Subject | [patch] 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 <twaugh@redhat.com>
* include/linux/parport.h: Increase PARPORT_MAX to 16. * drivers/char/lp.c: Increase LP_NO to 16.
--- linux/include/linux/parport.h.printers Mon Mar 19 09:41:22 2001 +++ linux/include/linux/parport.h Mon Mar 19 09:42:08 2001 @@ -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 --- linux/drivers/char/lp.c.printers Mon Mar 19 09:41:12 2001 +++ linux/drivers/char/lp.c Mon Mar 19 09:41:41 2001 @@ -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)) - 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/
| |