linux-kernel - Re: [PATCH 2/2] ramoops: add new line to printks

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Date:	Wed, 08 Jun 2011 09:22:44 -0700
From:	Joe Perches <joe@...ches.com>
To:	Marco Stornelli <marco.stornelli@...il.com>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	xiyou.wangcong@...il.com, stevie.trujillo@...il.com,
	kyungmin.park@...sung.com
Subject: Re: [PATCH 2/2] ramoops: add new line to printks

On Tue, 2011-06-07 at 18:52 +0200, Marco Stornelli wrote:
> From: Marco Stornelli <marco.stornelli@...il.com>
> Add new line to each printk.

Perhaps use pr_<level> and pr_fmt instead?
---
 drivers/char/ramoops.c |   14 ++++++++------
 1 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/char/ramoops.c b/drivers/char/ramoops.c
index 1a9f5f6..1283180 100644
--- a/drivers/char/ramoops.c
+++ b/drivers/char/ramoops.c
@@ -19,6 +19,8 @@
  *
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/kmsg_dump.h>
@@ -112,14 +114,14 @@ static int __init ramoops_probe(struct platform_device *pdev)
 	}
 
 	if (!mem_size) {
-		printk(KERN_ERR "ramoops: invalid size specification");
+		pr_err("invalid size specification\n");
 		goto fail3;
 	}
 
 	rounddown_pow_of_two(mem_size);
 
 	if (mem_size < RECORD_SIZE) {
-		printk(KERN_ERR "ramoops: size too small");
+		pr_err("size too small\n");
 		goto fail3;
 	}
 
@@ -129,21 +131,21 @@ static int __init ramoops_probe(struct platform_device *pdev)
 	cxt->phys_addr = mem_address;
 
 	if (!request_mem_region(cxt->phys_addr, cxt->size, "ramoops")) {
-		printk(KERN_ERR "ramoops: request mem region failed");
+		pr_err("request mem region failed\n");
 		err = -EINVAL;
 		goto fail3;
 	}
 
 	cxt->virt_addr = ioremap(cxt->phys_addr,  cxt->size);
 	if (!cxt->virt_addr) {
-		printk(KERN_ERR "ramoops: ioremap failed");
+		pr_err("ioremap failed\n");
 		goto fail2;
 	}
 
 	cxt->dump.dump = ramoops_do_dump;
 	err = kmsg_dump_register(&cxt->dump);
 	if (err) {
-		printk(KERN_ERR "ramoops: registering kmsg dumper failed");
+		pr_err("registering kmsg dumper failed\n");
 		goto fail1;
 	}
 
@@ -162,7 +164,7 @@ static int __exit ramoops_remove(struct platform_device *pdev)
 	struct ramoops_context *cxt = &oops_cxt;
 
 	if (kmsg_dump_unregister(&cxt->dump) < 0)
-		printk(KERN_WARNING "ramoops: could not unregister kmsg_dumper");
+		pr_warn("could not unregister kmsg_dumper\n");
 
 	iounmap(cxt->virt_addr);
 	release_mem_region(cxt->phys_addr, cxt->size);


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