Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit acef6660 authored by Peter Korsgaard's avatar Peter Korsgaard Committed by Greg Kroah-Hartman
Browse files

ttyprintk: make the printk log level configurable 



For some use cases it is handy to use a different printk log level than the
default (info) for the messages written to ttyprintk, so add a Kconfig
option similar to what we have for default console loglevel.

Signed-off-by: default avatarPeter Korsgaard <peter@korsgaard.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 397bd921

drivers/char/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -66,6 +66,14 @@ config TTY_PRINTK 


	  If unsure, say N.



config TTY_PRINTK_LEVEL

	depends on TTY_PRINTK

	int "ttyprintk log level (1-7)"

	range 1 7

	default "6"

	help

	  Printk log level to use for ttyprintk messages.



config PRINTER

	tristate "Parallel printer support"

	depends on PARPORT

drivers/char/ttyprintk.c

+3 −1
Original line number Diff line number Diff line
@@ -37,6 +37,8 @@ static struct ttyprintk_port tpk_port; 
 */

#define TPK_STR_SIZE 508 /* should be bigger then max expected line length */

#define TPK_MAX_ROOM 4096 /* we could assume 4K for instance */

#define TPK_PREFIX KERN_SOH __stringify(CONFIG_TTY_PRINTK_LEVEL)



static int tpk_curr;



static char tpk_buffer[TPK_STR_SIZE + 4];
@@ -45,7 +47,7 @@ static void tpk_flush(void) 
{

	if (tpk_curr > 0) {

		tpk_buffer[tpk_curr] = '\0';

		pr_info("[U] %s\n", tpk_buffer);

		printk(TPK_PREFIX "[U] %s\n", tpk_buffer);

		tpk_curr = 0;

	}

}