[PATCH] char: Prefer pr_* instead of printk

From: Jyoti Singh
Date: Sat Jun 04 2016 - 10:45:37 EST


This patch replaces all the printk[KERN_INFO] with pr_* in the file
"ttyprintk.c" addressing the following warning:

WARNING:Prefer [subsystem eg: netdev]_info([subsystem]dev, ...
then dev_info(dev,... then pr_info(... to printk(KERN_INFO ...
Found with checkpatch

Signed-off-by: Jyoti Singh <jssengar@xxxxxxxxx>
---
drivers/char/ttyprintk.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index b098d2d..ca14f3e 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -51,7 +51,7 @@ static int tpk_printk(const unsigned char *buf, int count)
/* non nl or cr terminated message - add nl */
tmp[tpk_curr + 0] = '\n';
tmp[tpk_curr + 1] = '\0';
- printk(KERN_INFO "%s%s", tpk_tag, tmp);
+ pr_info("%s%s", tpk_tag, tmp);
tpk_curr = 0;
}
return i;
@@ -65,14 +65,14 @@ static int tpk_printk(const unsigned char *buf, int count)
/* replace cr with nl */
tmp[tpk_curr + 0] = '\n';
tmp[tpk_curr + 1] = '\0';
- printk(KERN_INFO "%s%s", tpk_tag, tmp);
+ pr_info("%s%s", tpk_tag, tmp);
tpk_curr = 0;
if ((i + 1) < count && buf[i + 1] == '\n')
i++;
break;
case '\n':
tmp[tpk_curr + 1] = '\0';
- printk(KERN_INFO "%s%s", tpk_tag, tmp);
+ pr_info("%s%s", tpk_tag, tmp);
tpk_curr = 0;
break;
default:
@@ -83,7 +83,7 @@ static int tpk_printk(const unsigned char *buf, int count)
tmp[tpk_curr + 1] = '\\';
tmp[tpk_curr + 2] = '\n';
tmp[tpk_curr + 3] = '\0';
- printk(KERN_INFO "%s%s", tpk_tag, tmp);
+ pr_info("%s%s", tpk_tag, tmp);
tpk_curr = 0;
}
}
@@ -203,7 +203,7 @@ static int __init ttyprintk_init(void)

ret = tty_register_driver(ttyprintk_driver);
if (ret < 0) {
- printk(KERN_ERR "Couldn't register ttyprintk driver\n");
+ pr_err("Couldn't register ttyprintk driver\n");
goto error;
}

--
1.9.3