On Tue, Aug 21, 2018 at 7:28 PM Peter Korsgaard <pe...@korsgaard.com> wrote:
>
> 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.
Ping? Feedback, comments?
> diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
> index ce277ee0a28a..14a7f023f20b 100644
> --- a/drivers/char/Kconfig
> +++ b/drivers/char/Kconfig
> @@ -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
> diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
> index 67549ce88cc9..22fbd483b5dc 100644
> --- a/drivers/char/ttyprintk.c
> +++ b/drivers/char/ttyprintk.c
> @@ -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) " [U]"
> +
> 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 " %s\n", tpk_buffer);
> tpk_curr = 0;
> }
> }
> --
> 2.11.0
>
--
Bye, Peter Korsgaard
