linux-ext4 - Re: [PATCH] [Coding Style]: fs/ext{3,4}/ext{3,4}

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Date:	Fri, 11 Jan 2008 10:45:30 +0100
From:	Roel Kluin <12o3l@...cali.nl>
To:	Paul Mundt <lethal@...ux-sh.org>, Roel Kluin <12o3l@...cali.nl>,
	Al Viro <viro@...IV.linux.org.uk>,
	Mathieu Segaud <mathieu.segaud@...ala.cx>,
	Richard Knutsson <ricknu-0@...dent.ltu.se>,
	linux-pcmcia@...ts.infradead.org, linux-kernel@...r.kernel.org,
	akpm@...ux-foundation.org, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] [Coding Style]: fs/ext{3,4}/ext{3,4}_jbd{,2}.c

Paul Mundt wrote:
> On Fri, Jan 11, 2008 at 04:09:45AM +0100, Peter Stuge wrote:
>> On Thu, Jan 10, 2008 at 10:03:58PM +0100, Roel Kluin wrote:
>>> -#define DEBUG(x,args...)	printk(__FUNCTION__ ": " x,##args)
>>> +#define DEBUG(x, args...)	printk("%s: ", __func__, x, ##args)
>> Can this really be expected to work when x contains conversions?
>>
>> How about:
>>
>> #define DEBUG(x, args...) printk("%s: " x, __func__, ##args)
>>
> How about throwing out hand-rolled debug printk wrappers for the
> brain-damage they are and using the ones the kernel provides instead?
> 
Should it be done like this?
--
Replace printk wrapper - with a syntax error - by pr_debug

Signed-off-by: Roel Kluin <12o3l@...cali.nl>
---
diff --git a/drivers/pcmcia/au1000_xxs1500.c b/drivers/pcmcia/au1000_xxs1500.c
index ce9d5c4..4c32389 100644
--- a/drivers/pcmcia/au1000_xxs1500.c
+++ b/drivers/pcmcia/au1000_xxs1500.c
@@ -25,6 +25,10 @@
  *
  *
  */
+#ifdef CONFIG_MIPS_XXS1500_DEBUG
+#define DEBUG 1
+#endif
+
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/delay.h>
@@ -55,11 +59,6 @@
 #define PCMCIA_NUM_SOCKS	(PCMCIA_MAX_SOCK + 1)
 #define PCMCIA_IRQ		AU1000_GPIO_4
 
-#if 0
-#define DEBUG(x,args...)	printk(__FUNCTION__ ": " x,##args)
-#else
-#define DEBUG(x,args...)
-#endif
 
 static int xxs1500_pcmcia_init(struct pcmcia_init *init)
 {
@@ -143,13 +142,13 @@ xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure)
 
 	if(configure->sock > PCMCIA_MAX_SOCK) return -1;
 
-	DEBUG("Vcc %dV Vpp %dV, reset %d\n",
+	pr_debug("Vcc %dV Vpp %dV, reset %d\n",
 			configure->vcc, configure->vpp, configure->reset);
 
 	switch(configure->vcc){
 		case 33: /* Vcc 3.3V */
 			/* turn on power */
-			DEBUG("turn on power\n");
+			pr_debug("turn on power\n");
 			au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<14))|(1<<30),
 					GPIO2_OUTPUT);
 			au_sync_delay(100);
@@ -166,7 +165,7 @@ xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure)
 	}
 
 	if (!configure->reset) {
-		DEBUG("deassert reset\n");
+		pr_debug("deassert reset\n");
 		au_writel((au_readl(GPIO2_PINSTATE) & ~(1<<4))|(1<<20),
 				GPIO2_OUTPUT);
 		au_sync_delay(100);
@@ -174,7 +173,7 @@ xxs1500_pcmcia_configure_socket(const struct pcmcia_configure *configure)
 				GPIO2_OUTPUT);
 	}
 	else {
-		DEBUG("assert reset\n");
+		pr_debug("assert reset\n");
 		au_writel(au_readl(GPIO2_PINSTATE) | (1<<4)|(1<<20),
 				GPIO2_OUTPUT);
 	}

-
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