linux-kernel - [PATCH v2] staging: mt7621-mmc: Fix debug macros in dbg.h

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Date:   Sat, 18 Aug 2018 17:13:17 +0530
From:   Nishad Kamdar <nishadkamdar@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Joe Perches <joe@...ches.com>
Cc:     Christian Lütke-Stetzkamp <christian@...mp.de>,
        NeilBrown <neil@...wn.name>, John Crispin <blogic@...nwrt.org>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] staging: mt7621-mmc: Fix debug macros in dbg.h

Fixed four debug macros by replacing printk with dev_<level>
without __func__ or __LINE__ or current->comm and current->pid.
Further removed the do {} while(0) loop for single statement
macro. Issues found by checkpatch.

Signed-off-by: Nishad Kamdar <nishadkamdar@...il.com>
---
Changes in v2:
  - Replace printk with dev_<level>.
  - Remove __func__, __LINE__, current->comm, current->pid from arguments.
  - Remove the do {} while(0) loop from these macros.
  - Modify commit message to include other changes.
---
 drivers/staging/mt7621-mmc/dbg.h | 26 +++++++-------------------
 1 file changed, 7 insertions(+), 19 deletions(-)

diff --git a/drivers/staging/mt7621-mmc/dbg.h b/drivers/staging/mt7621-mmc/dbg.h
index 2f2c56b73987..e8091db3c1d6 100644
--- a/drivers/staging/mt7621-mmc/dbg.h
+++ b/drivers/staging/mt7621-mmc/dbg.h
@@ -104,19 +104,13 @@ do { \
 
 #define N_MSG(evt, fmt, args...)
 /*
-do {    \
-    if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \
-        printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
-            host->id,  ##args , __FUNCTION__, __LINE__, current->comm, current->pid);	\
-    } \
-} while(0)
-*/
+ *if ((DBG_EVT_##evt) & sd_debug_zone[host->id]) { \
+ *    dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args) \
+ *}
+ */
 
 #define ERR_MSG(fmt, args...) \
-do { \
-	printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
-	       host->id,  ##args, __FUNCTION__, __LINE__, current->comm, current->pid); \
-} while (0);
+dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args)
 
 #if 1
 //defined CONFIG_MTK_MMC_CD_POLL
@@ -124,17 +118,11 @@ do { \
 #define IRQ_MSG(fmt, args...)
 #else
 #define INIT_MSG(fmt, args...) \
-do { \
-	printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d> PID<%s><0x%x>\n", \
-	       host->id,  ##args, __FUNCTION__, __LINE__, current->comm, current->pid); \
-} while (0);
+dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args)
 
 /* PID in ISR in not corrent */
 #define IRQ_MSG(fmt, args...) \
-do { \
-	printk(KERN_ERR TAG"%d -> "fmt" <- %s() : L<%d>\n",	\
-	       host->id,  ##args, __FUNCTION__, __LINE__);	\
-} while (0);
+dev_err(mmc_dev(host->mmc), "%d -> " fmt "\n", host->id, ##args)
 #endif
 
 void msdc_debug_proc_init(void);
-- 
2.17.1