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ARM: OMAP2+: powerdomain: unwrap and simplify logging strings

PATCH New Paul Walmsley 3 participants 3 messages Mar 1, 2012 – Mar 2, 2012

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#0 lore raw

PATCH 1/1 ARM: OMAP2+: powerdomain: unwrap and simplify logging strings

The current kernel doctrine is to not break printk() strings that cross the 80-column boundary into multiple strings. This is intended to ease grepping. This patch unwraps and simplifies many strings in the OMAP powerdomain implementation code, standardizing the format as it does so.

---
 arch/arm/mach-omap2/powerdomain.c          |   30 ++++++++++++++--------------
 arch/arm/mach-omap2/powerdomain2xxx_3xxx.c |    7 +++--
 arch/arm/mach-omap2/powerdomain44xx.c      |    7 +++--
 3 files changed, 23 insertions(+), 21 deletions(-)
arch/arm/mach-omap2/powerdomain.c +15 -15
index 8a18d1b..89000d3 100644
@@ -339,8 +339,8 @@ int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm)
 	if (!pwrdm || !clkdm)
 		return -EINVAL;
 
-	pr_debug("powerdomain: associating clockdomain %s with powerdomain "
-		 "%s\n", clkdm->name, pwrdm->name);
+	pr_debug("powerdomain: %s: associating clockdomain %s\n",
+		 clkdm->name, pwrdm->name);
 
 	for (i = 0; i < PWRDM_MAX_CLKDMS; i++) {
 		if (!pwrdm->pwrdm_clkdms[i])
@@ -354,8 +354,8 @@ int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm)
 	}
 
 	if (i == PWRDM_MAX_CLKDMS) {
-		pr_debug("powerdomain: increase PWRDM_MAX_CLKDMS for "
-			 "pwrdm %s clkdm %s\n", pwrdm->name, clkdm->name);
+		pr_debug("powerdomain: %s: increase PWRDM_MAX_CLKDMS (%s)\n",
+			 pwrdm->name, clkdm->name);
 		WARN_ON(1);
 		ret = -ENOMEM;
 		goto pac_exit;
@@ -387,16 +387,16 @@ int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm)
 	if (!pwrdm || !clkdm)
 		return -EINVAL;
 
-	pr_debug("powerdomain: dissociating clockdomain %s from powerdomain "
-		 "%s\n", clkdm->name, pwrdm->name);
+	pr_debug("powerdomain: %s: dissociating clockdomain %s\n",
+		 clkdm->name, pwrdm->name);
 
 	for (i = 0; i < PWRDM_MAX_CLKDMS; i++)
 		if (pwrdm->pwrdm_clkdms[i] == clkdm)
 			break;
 
 	if (i == PWRDM_MAX_CLKDMS) {
-		pr_debug("powerdomain: clkdm %s not associated with pwrdm "
-			 "%s ?!\n", clkdm->name, pwrdm->name);
+		pr_debug("powerdomain: %s: clkdm %s not associated ?!\n",
+			 clkdm->name, pwrdm->name);
 		ret = -ENOENT;
 		goto pdc_exit;
 	}
@@ -485,7 +485,7 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
 	if (!(pwrdm->pwrsts & (1 << pwrst)))
 		return -EINVAL;
 
-	pr_debug("powerdomain: setting next powerstate for %s to %0x\n",
+	pr_debug("powerdomain: %s: setting next powerstate to %0x\n",
 		 pwrdm->name, pwrst);
 
 	if (arch_pwrdm && arch_pwrdm->pwrdm_set_next_pwrst) {
@@ -583,7 +583,7 @@ int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
 	if (!(pwrdm->pwrsts_logic_ret & (1 << pwrst)))
 		return -EINVAL;
 
-	pr_debug("powerdomain: setting next logic powerstate for %s to %0x\n",
+	pr_debug("powerdomain: %s: setting next logic powerstate to %0x\n",
 		 pwrdm->name, pwrst);
 
 	if (arch_pwrdm && arch_pwrdm->pwrdm_set_logic_retst)
@@ -620,8 +620,8 @@ int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst)
 	if (!(pwrdm->pwrsts_mem_on[bank] & (1 << pwrst)))
 		return -EINVAL;
 
-	pr_debug("powerdomain: setting next memory powerstate for domain %s "
-		 "bank %0x while pwrdm-ON to %0x\n", pwrdm->name, bank, pwrst);
+	pr_debug("powerdomain: %s: setting next memory powerstate for bank %0x while pwrdm-%s to %0x\n",
+		 pwrdm->name, bank, "ON", pwrst);
 
 	if (arch_pwrdm && arch_pwrdm->pwrdm_set_mem_onst)
 		ret = arch_pwrdm->pwrdm_set_mem_onst(pwrdm, bank, pwrst);
@@ -658,8 +658,8 @@ int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst)
 	if (!(pwrdm->pwrsts_mem_ret[bank] & (1 << pwrst)))
 		return -EINVAL;
 
-	pr_debug("powerdomain: setting next memory powerstate for domain %s "
-		 "bank %0x while pwrdm-RET to %0x\n", pwrdm->name, bank, pwrst);
+	pr_debug("powerdomain: %s: setting next memory powerstate for bank %0x while pwrdm-%s to %0x\n",
+		 pwrdm->name, bank, "RET", pwrst);
 
 	if (arch_pwrdm && arch_pwrdm->pwrdm_set_mem_retst)
 		ret = arch_pwrdm->pwrdm_set_mem_retst(pwrdm, bank, pwrst);
@@ -837,7 +837,7 @@ int pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
 	 * warn & fail if it is not ON.
 	 */
 
-	pr_debug("powerdomain: clearing previous power state reg for %s\n",
+	pr_debug("powerdomain: %s: clearing previous power state reg\n",
 		 pwrdm->name);
 
 	if (arch_pwrdm && arch_pwrdm->pwrdm_clear_all_prev_pwrst)
arch/arm/mach-omap2/powerdomain2xxx_3xxx.c +4 -3
index 6a17e4c..c2cb416 100644
@@ -121,12 +121,13 @@ static int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm)
 			udelay(1);
 
 	if (c > PWRDM_TRANSITION_BAILOUT) {
-		printk(KERN_ERR "powerdomain: waited too long for "
-			"powerdomain %s to complete transition\n", pwrdm->name);
+		pr_err("powerdomain: %s: waited too long to complete transition\n",
+		       pwrdm->name);
 		return -EAGAIN;
 	}
 
-	pr_debug("powerdomain: completed transition in %d loops\n", c);
+	pr_debug("powerdomain: %s: completed transition in %d loops\n",
+		 pwrdm->name, c);
 
 	return 0;
 }
arch/arm/mach-omap2/powerdomain44xx.c +4 -3
index a7880af..2db97a9 100644
@@ -197,12 +197,13 @@ static int omap4_pwrdm_wait_transition(struct powerdomain *pwrdm)
 		udelay(1);
 
 	if (c > PWRDM_TRANSITION_BAILOUT) {
-		printk(KERN_ERR "powerdomain: waited too long for "
-		       "powerdomain %s to complete transition\n", pwrdm->name);
+		pr_err("powerdomain: %s: waited too long to complete transition\n",
+		       pwrdm->name);
 		return -EAGAIN;
 	}
 
-	pr_debug("powerdomain: completed transition in %d loops\n", c);
+	pr_debug("powerdomain: %s: completed transition in %d loops\n",
+		 pwrdm->name, c);
 
 	return 0;
 }
Signature · 1 line
1.7.9.1
#1 lore raw

PATCH 1/1 ARM: OMAP2+: powerdomain: unwrap and simplify logging strings

Hi Paul,

Quoted 6 lines · Paul Walmsley

The current kernel doctrine is to not break printk() strings that cross the 80-column boundary into multiple strings. This is intended to ease grepping. This patch unwraps and simplifies many strings in the OMAP powerdomain implementation code, standardizing the format as it does so.

looks good to me. Thanks,

Quoted 147 lines
---
  arch/arm/mach-omap2/powerdomain.c          |   30 ++++++++++++++--------------
  arch/arm/mach-omap2/powerdomain2xxx_3xxx.c |    7 +++--
  arch/arm/mach-omap2/powerdomain44xx.c      |    7 +++--
  3 files changed, 23 insertions(+), 21 deletions(-)
arch/arm/mach-omap2/powerdomain.c +15 -15
index 8a18d1b..89000d3 100644
@@ -339,8 +339,8 @@ int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm)
  	if (!pwrdm || !clkdm)
  		return -EINVAL;
 
-	pr_debug("powerdomain: associating clockdomain %s with powerdomain "
-		 "%s\n", clkdm->name, pwrdm->name);
+	pr_debug("powerdomain: %s: associating clockdomain %s\n",
+		 clkdm->name, pwrdm->name);
 
  	for (i = 0; i<  PWRDM_MAX_CLKDMS; i++) {
  		if (!pwrdm->pwrdm_clkdms[i])
@@ -354,8 +354,8 @@ int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm)
  	}
 
  	if (i == PWRDM_MAX_CLKDMS) {
-		pr_debug("powerdomain: increase PWRDM_MAX_CLKDMS for "
-			 "pwrdm %s clkdm %s\n", pwrdm->name, clkdm->name);
+		pr_debug("powerdomain: %s: increase PWRDM_MAX_CLKDMS (%s)\n",
+			 pwrdm->name, clkdm->name);
  		WARN_ON(1);
  		ret = -ENOMEM;
  		goto pac_exit;
@@ -387,16 +387,16 @@ int pwrdm_del_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm)
  	if (!pwrdm || !clkdm)
  		return -EINVAL;
 
-	pr_debug("powerdomain: dissociating clockdomain %s from powerdomain "
-		 "%s\n", clkdm->name, pwrdm->name);
+	pr_debug("powerdomain: %s: dissociating clockdomain %s\n",
+		 clkdm->name, pwrdm->name);
 
  	for (i = 0; i<  PWRDM_MAX_CLKDMS; i++)
  		if (pwrdm->pwrdm_clkdms[i] == clkdm)
  			break;
 
  	if (i == PWRDM_MAX_CLKDMS) {
-		pr_debug("powerdomain: clkdm %s not associated with pwrdm "
-			 "%s ?!\n", clkdm->name, pwrdm->name);
+		pr_debug("powerdomain: %s: clkdm %s not associated ?!\n",
+			 clkdm->name, pwrdm->name);
  		ret = -ENOENT;
  		goto pdc_exit;
  	}
@@ -485,7 +485,7 @@ int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst)
  	if (!(pwrdm->pwrsts&  (1<<  pwrst)))
  		return -EINVAL;
 
-	pr_debug("powerdomain: setting next powerstate for %s to %0x\n",
+	pr_debug("powerdomain: %s: setting next powerstate to %0x\n",
  		 pwrdm->name, pwrst);
 
  	if (arch_pwrdm&&  arch_pwrdm->pwrdm_set_next_pwrst) {
@@ -583,7 +583,7 @@ int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
  	if (!(pwrdm->pwrsts_logic_ret&  (1<<  pwrst)))
  		return -EINVAL;
 
-	pr_debug("powerdomain: setting next logic powerstate for %s to %0x\n",
+	pr_debug("powerdomain: %s: setting next logic powerstate to %0x\n",
  		 pwrdm->name, pwrst);
 
  	if (arch_pwrdm&&  arch_pwrdm->pwrdm_set_logic_retst)
@@ -620,8 +620,8 @@ int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst)
  	if (!(pwrdm->pwrsts_mem_on[bank]&  (1<<  pwrst)))
  		return -EINVAL;
 
-	pr_debug("powerdomain: setting next memory powerstate for domain %s "
-		 "bank %0x while pwrdm-ON to %0x\n", pwrdm->name, bank, pwrst);
+	pr_debug("powerdomain: %s: setting next memory powerstate for bank %0x while pwrdm-%s to %0x\n",
+		 pwrdm->name, bank, "ON", pwrst);
 
  	if (arch_pwrdm&&  arch_pwrdm->pwrdm_set_mem_onst)
  		ret = arch_pwrdm->pwrdm_set_mem_onst(pwrdm, bank, pwrst);
@@ -658,8 +658,8 @@ int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst)
  	if (!(pwrdm->pwrsts_mem_ret[bank]&  (1<<  pwrst)))
  		return -EINVAL;
 
-	pr_debug("powerdomain: setting next memory powerstate for domain %s "
-		 "bank %0x while pwrdm-RET to %0x\n", pwrdm->name, bank, pwrst);
+	pr_debug("powerdomain: %s: setting next memory powerstate for bank %0x while pwrdm-%s to %0x\n",
+		 pwrdm->name, bank, "RET", pwrst);
 
  	if (arch_pwrdm&&  arch_pwrdm->pwrdm_set_mem_retst)
  		ret = arch_pwrdm->pwrdm_set_mem_retst(pwrdm, bank, pwrst);
@@ -837,7 +837,7 @@ int pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
  	 * warn&  fail if it is not ON.
  	 */
 
-	pr_debug("powerdomain: clearing previous power state reg for %s\n",
+	pr_debug("powerdomain: %s: clearing previous power state reg\n",
  		 pwrdm->name);
 
  	if (arch_pwrdm&&  arch_pwrdm->pwrdm_clear_all_prev_pwrst)
arch/arm/mach-omap2/powerdomain2xxx_3xxx.c +4 -3
index 6a17e4c..c2cb416 100644
@@ -121,12 +121,13 @@ static int omap2_pwrdm_wait_transition(struct powerdomain *pwrdm)
  			udelay(1);
 
  	if (c>  PWRDM_TRANSITION_BAILOUT) {
-		printk(KERN_ERR "powerdomain: waited too long for "
-			"powerdomain %s to complete transition\n", pwrdm->name);
+		pr_err("powerdomain: %s: waited too long to complete transition\n",
+		       pwrdm->name);
  		return -EAGAIN;
  	}
 
-	pr_debug("powerdomain: completed transition in %d loops\n", c);
+	pr_debug("powerdomain: %s: completed transition in %d loops\n",
+		 pwrdm->name, c);
 
  	return 0;
  }
arch/arm/mach-omap2/powerdomain44xx.c +4 -3
index a7880af..2db97a9 100644
@@ -197,12 +197,13 @@ static int omap4_pwrdm_wait_transition(struct powerdomain *pwrdm)
  		udelay(1);
 
  	if (c>  PWRDM_TRANSITION_BAILOUT) {
-		printk(KERN_ERR "powerdomain: waited too long for "
-		       "powerdomain %s to complete transition\n", pwrdm->name);
+		pr_err("powerdomain: %s: waited too long to complete transition\n",
+		       pwrdm->name);
  		return -EAGAIN;
  	}
 
-	pr_debug("powerdomain: completed transition in %d loops\n", c);
+	pr_debug("powerdomain: %s: completed transition in %d loops\n",
+		 pwrdm->name, c);
 
  	return 0;
  }
#2 lore raw

PATCH 1/1 ARM: OMAP2+: powerdomain: unwrap and simplify logging strings

In reply to Paul Walmsley
Quoted 10 lines · Paul Walmsley

b/arch/arm/mach-omap2/powerdomain.c
index 8a18d1b..89000d3 100644

arch/arm/mach-omap2/powerdomain.c +0 -1
@@ -339,8 +339,8 @@ int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct
 clockdomain *clkdm)
 ? ? ? ?if (!pwrdm || !clkdm)
 ? ? ? ? ? ? ? ?return -EINVAL;
 
- ? ? ? pr_debug("powerdomain: associating clockdomain %s with powerdomain
Quoted 4 lines

"
- ? ? ? ? ? ? ? ?"%s\n", clkdm->name, pwrdm->name);
+ ? ? ? pr_debug("powerdomain: %s: associating clockdomain %s\n",
+ ? ? ? ? ? ? ? ?clkdm->name, pwrdm->name);

while at this, could i suggest having instead:
pr_debug("%s: %s: associating clockdomain %s\n", __func__,

                clkdm->name, pwrdm->name);

since the function name helps associate the message back in, wont it be a bit of a dual edged information as well?

or even simplify it further with

#define pr_fmt(fmt) "%s:%s: " fmt, "powerdomain", __func__ ?
Regards,
Nishanth Menon