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media: pvrusb2: replace `printk` with `pr_*`

PATCH In review Dafna Hirschfeld 4 participants 4 messages Oct 6, 2018 – Oct 7, 2018

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#0 lore raw

PATCH 1/1 media: pvrusb2: replace `printk` with `pr_*`

Replace calls to printk with the appropriate pr_* macro.

---
 drivers/media/usb/pvrusb2/pvrusb2-hdw.c      |  8 ++++----
 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c | 14 ++++++--------
 drivers/media/usb/pvrusb2/pvrusb2-main.c     |  4 ++--
 drivers/media/usb/pvrusb2/pvrusb2-v4l2.c     |  4 ++--
 4 files changed, 14 insertions(+), 16 deletions(-)
drivers/media/usb/pvrusb2/pvrusb2-hdw.c +4 -4
index a8519da0020b..7702285c1519 100644
@@ -3293,12 +3293,12 @@ void pvr2_hdw_trigger_module_log(struct pvr2_hdw *hdw)
 	int nr = pvr2_hdw_get_unit_number(hdw);
 	LOCK_TAKE(hdw->big_lock);
 	do {
-		printk(KERN_INFO "pvrusb2: =================  START STATUS CARD #%d  =================\n", nr);
+		pr_info("pvrusb2: =================  START STATUS CARD #%d  =================\n", nr);
 		v4l2_device_call_all(&hdw->v4l2_dev, 0, core, log_status);
 		pvr2_trace(PVR2_TRACE_INFO,"cx2341x config:");
 		cx2341x_log_status(&hdw->enc_ctl_state, "pvrusb2");
 		pvr2_hdw_state_log_state(hdw);
-		printk(KERN_INFO "pvrusb2: ==================  END STATUS CARD #%d  ==================\n", nr);
+		pr_info("pvrusb2: ==================  END STATUS CARD #%d  ==================\n", nr);
 	} while (0);
 	LOCK_GIVE(hdw->big_lock);
 }
@@ -4851,7 +4851,7 @@ static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw)
 	for (idx = 0; ; idx++) {
 		ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,sizeof(buf));
 		if (!ccnt) break;
-		printk(KERN_INFO "%s %.*s\n",hdw->name,ccnt,buf);
+		pr_info("%s %.*s\n", hdw->name, ccnt, buf);
 	}
 	ccnt = pvr2_hdw_report_clients(hdw, buf, sizeof(buf));
 	if (ccnt >= sizeof(buf))
@@ -4863,7 +4863,7 @@ static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw)
 		while ((lcnt + ucnt < ccnt) && (buf[lcnt + ucnt] != '\n')) {
 			lcnt++;
 		}
-		printk(KERN_INFO "%s %.*s\n", hdw->name, lcnt, buf + ucnt);
+		pr_info("%s %.*s\n", hdw->name, lcnt, buf + ucnt);
 		ucnt += lcnt + 1;
 	}
 }
drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c +6 -8
index ec7d32759e39..06c7e875fa0f 100644
@@ -478,8 +478,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 		unsigned int idx,offs,cnt;
 		for (idx = 0; idx < num; idx++) {
 			cnt = msgs[idx].len;
-			printk(KERN_INFO
-			       "pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
+			pr_info("pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
 			       idx+1,num,
 			       msgs[idx].addr,
 			       cnt,
@@ -501,8 +500,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 			printk(KERN_CONT "\n");
 		}
 		if (!num) {
-			printk(KERN_INFO
-			       "pvrusb2 i2c xfer null transfer result=%d\n",
+			pr_info("pvrusb2 i2c xfer null transfer result=%d\n",
 			       ret);
 		}
 	}
@@ -542,14 +540,14 @@ static int do_i2c_probe(struct pvr2_hdw *hdw, int addr)
 static void do_i2c_scan(struct pvr2_hdw *hdw)
 {
 	int i;
-	printk(KERN_INFO "%s: i2c scan beginning\n", hdw->name);
+	pr_info("%s: i2c scan beginning\n", hdw->name);
 	for (i = 0; i < 128; i++) {
 		if (do_i2c_probe(hdw, i)) {
-			printk(KERN_INFO "%s: i2c scan: found device @ 0x%x\n",
+			pr_info("%s: i2c scan: found device @ 0x%x\n",
 			       hdw->name, i);
 		}
 	}
-	printk(KERN_INFO "%s: i2c scan done.\n", hdw->name);
+	pr_info("%s: i2c scan done.\n", hdw->name);
 }
 
 static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)
@@ -612,7 +610,7 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
 
 	/* However, deal with various special cases for 24xxx hardware. */
 	if (ir_mode[hdw->unit_number] == 0) {
-		printk(KERN_INFO "%s: IR disabled\n",hdw->name);
+		pr_info("%s: IR disabled\n", hdw->name);
 		hdw->i2c_func[0x18] = i2c_black_hole;
 	} else if (ir_mode[hdw->unit_number] == 1) {
 		if (hdw->ir_scheme_active == PVR2_IR_SCHEME_24XXX) {
drivers/media/usb/pvrusb2/pvrusb2-main.c +2 -2
index cbe2c3a22458..23672dd352f5 100644
@@ -132,10 +132,10 @@ static int __init pvr_init(void)
 	ret = usb_register(&pvr_driver);
 
 	if (ret == 0)
-		printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":"
+		pr_info("pvrusb2: " DRIVER_VERSION ":"
 		       DRIVER_DESC "\n");
 	if (pvrusb2_debug)
-		printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n",
+		pr_info("pvrusb2: Debug mask is %d (0x%x)\n",
 		       pvrusb2_debug,pvrusb2_debug);
 
 	pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +2 -2
index cea232a3302d..97a93ed4bcda 100644
@@ -869,7 +869,7 @@ static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
 	   are gone. */
 	video_unregister_device(&dip->devbase);
 
-	printk(KERN_INFO "%s\n", msg);
+	pr_info("%s\n", msg);
 
 }
 
@@ -1260,7 +1260,7 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
 			": Failed to register pvrusb2 v4l device\n");
 	}
 
-	printk(KERN_INFO "pvrusb2: registered device %s [%s]\n",
+	pr_info("pvrusb2: registered device %s [%s]\n",
 	       video_device_node_name(&dip->devbase),
 	       pvr2_config_get_name(dip->config));
 
Signature · 1 line
2.17.1
#1 lore raw
Quoted 2 lines · Dafna Hirschfeld

Replace calls to printk with the appropriate pr_* macro.

Hi Dafna,

I'd encourage you to look into the dev_ family of print functions (such as dev_info() ). They can avoid having to repeat the driver name in every print call.

--
Thanks,
Sasha

#2 lore raw
Quoted 9 lines · Sasha Levin
Quoted 2 lines · Dafna Hirschfeld

Replace calls to printk with the appropriate pr_* macro.

Hi Dafna,

I'd encourage you to look into the dev_ family of print functions (such as dev_info() ). They can avoid having to repeat the driver name in every print call.

Not for this driver. The hdw->name is the right prefix to use and the code already uses it.

For almost any other media driver Sasha would be right, just not this one due to historical reasons.

Regards,

Hans

#3 lore raw
In reply to Dafna Hirschfeld

Hi Dafna,

Thanks for you patch.

Quoted 9 lines · Dafna Hirschfeld

Replace calls to printk with the appropriate pr_* macro.

---
 drivers/media/usb/pvrusb2/pvrusb2-hdw.c      |  8 ++++----
 drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c | 14 ++++++--------
 drivers/media/usb/pvrusb2/pvrusb2-main.c     |  4 ++--
 drivers/media/usb/pvrusb2/pvrusb2-v4l2.c     |  4 ++--

Could you also update drivers/media/usb/pvrusb2/pvrusb2-debug.h please? So we can get rid of all the printk in this driver.

Quoted 31 lines
 4 files changed, 14 insertions(+), 16 deletions(-)
drivers/media/usb/pvrusb2/pvrusb2-hdw.c +3 -3
index a8519da0020b..7702285c1519 100644
@@ -3293,12 +3293,12 @@ void pvr2_hdw_trigger_module_log(struct pvr2_hdw *hdw)
 	int nr = pvr2_hdw_get_unit_number(hdw);
 	LOCK_TAKE(hdw->big_lock);
 	do {
-		printk(KERN_INFO "pvrusb2: =================  START STATUS CARD #%d  =================\n", nr);
+		pr_info("pvrusb2: =================  START STATUS CARD #%d  =================\n", nr);
 		v4l2_device_call_all(&hdw->v4l2_dev, 0, core, log_status);
 		pvr2_trace(PVR2_TRACE_INFO,"cx2341x config:");
 		cx2341x_log_status(&hdw->enc_ctl_state, "pvrusb2");
 		pvr2_hdw_state_log_state(hdw);
-		printk(KERN_INFO "pvrusb2: ==================  END STATUS CARD #%d  ==================\n", nr);
+		pr_info("pvrusb2: ==================  END STATUS CARD #%d  ==================\n", nr);
 	} while (0);
 	LOCK_GIVE(hdw->big_lock);
 }
@@ -4851,7 +4851,7 @@ static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw)
 	for (idx = 0; ; idx++) {
 		ccnt = pvr2_hdw_report_unlocked(hdw,idx,buf,sizeof(buf));
 		if (!ccnt) break;
-		printk(KERN_INFO "%s %.*s\n",hdw->name,ccnt,buf);
+		pr_info("%s %.*s\n", hdw->name, ccnt, buf);
 	}
 	ccnt = pvr2_hdw_report_clients(hdw, buf, sizeof(buf));
 	if (ccnt >= sizeof(buf))

drivers/media/usb/pvrusb2/pvrusb2-hdw.c static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw) · line 4869

Quoted 8 lines
drivers/media/usb/pvrusb2/pvrusb2-hdw.c +1 -1
@@ -4863,7 +4863,7 @@ static void pvr2_hdw_state_log_state(struct pvr2_hdw *hdw)
 		while ((lcnt + ucnt < ccnt) && (buf[lcnt + ucnt] != '\n')) {
 			lcnt++;
 		}
-		printk(KERN_INFO "%s %.*s\n", hdw->name, lcnt, buf + ucnt);
+		pr_info("%s %.*s\n", hdw->name, lcnt, buf + ucnt);
 		ucnt += lcnt + 1;
 	}
 }> diff --git a/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c

b/drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c

Quoted 42 lines

index ec7d32759e39..06c7e875fa0f 100644

drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c +5 -7
@@ -478,8 +478,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 		unsigned int idx,offs,cnt;
 		for (idx = 0; idx < num; idx++) {
 			cnt = msgs[idx].len;
-			printk(KERN_INFO
-			       "pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
+			pr_info("pvrusb2 i2c xfer %u/%u: addr=0x%x len=%d %s",
 			       idx+1,num,
 			       msgs[idx].addr,
 			       cnt,
@@ -501,8 +500,7 @@ static int pvr2_i2c_xfer(struct i2c_adapter *i2c_adap,
 			printk(KERN_CONT "\n");
 		}
 		if (!num) {
-			printk(KERN_INFO
-			       "pvrusb2 i2c xfer null transfer result=%d\n",
+			pr_info("pvrusb2 i2c xfer null transfer result=%d\n",
 			       ret);
 		}
 	}
@@ -542,14 +540,14 @@ static int do_i2c_probe(struct pvr2_hdw *hdw, int addr)
 static void do_i2c_scan(struct pvr2_hdw *hdw)
 {
 	int i;
-	printk(KERN_INFO "%s: i2c scan beginning\n", hdw->name);
+	pr_info("%s: i2c scan beginning\n", hdw->name);
 	for (i = 0; i < 128; i++) {
 		if (do_i2c_probe(hdw, i)) {
-			printk(KERN_INFO "%s: i2c scan: found device @ 0x%x\n",
+			pr_info("%s: i2c scan: found device @ 0x%x\n",
 			       hdw->name, i);
 		}
 	}
-	printk(KERN_INFO "%s: i2c scan done.\n", hdw->name);
+	pr_info("%s: i2c scan done.\n", hdw->name);
 }
 
 static void pvr2_i2c_register_ir(struct pvr2_hdw *hdw)

drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c void pvr2_i2c_core_init(struct pvr2_hdw *hdw) · line 616

Quoted 8 lines
drivers/media/usb/pvrusb2/pvrusb2-i2c-core.c +1 -1
@@ -612,7 +610,7 @@ void pvr2_i2c_core_init(struct pvr2_hdw *hdw)
 
 	/* However, deal with various special cases for 24xxx hardware. */
 	if (ir_mode[hdw->unit_number] == 0) {
-		printk(KERN_INFO "%s: IR disabled\n",hdw->name);
+		pr_info("%s: IR disabled\n", hdw->name);
 		hdw->i2c_func[0x18] = i2c_black_hole;
 	} else if (ir_mode[hdw->unit_number] == 1) {
 		if (hdw->ir_scheme_active == PVR2_IR_SCHEME_24XXX) {

This file has some printk(KERN_CONT, I believe you can also change it to pr_cont.

Quoted 32 lines
drivers/media/usb/pvrusb2/pvrusb2-main.c +2 -2
index cbe2c3a22458..23672dd352f5 100644
@@ -132,10 +132,10 @@ static int __init pvr_init(void)
 	ret = usb_register(&pvr_driver);
 
 	if (ret == 0)
-		printk(KERN_INFO "pvrusb2: " DRIVER_VERSION ":"
+		pr_info("pvrusb2: " DRIVER_VERSION ":"
 		       DRIVER_DESC "\n");
 	if (pvrusb2_debug)
-		printk(KERN_INFO "pvrusb2: Debug mask is %d (0x%x)\n",
+		pr_info("pvrusb2: Debug mask is %d (0x%x)\n",
 		       pvrusb2_debug,pvrusb2_debug);
 
 	pvr2_trace(PVR2_TRACE_INIT,"pvr_init complete");
drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +1 -1
index cea232a3302d..97a93ed4bcda 100644
@@ -869,7 +869,7 @@ static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
 	   are gone. */
 	video_unregister_device(&dip->devbase);
 
-	printk(KERN_INFO "%s\n", msg);
+	pr_info("%s\n", msg);
 
 }
 

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip, · line 1266

Quoted 8 lines
drivers/media/usb/pvrusb2/pvrusb2-v4l2.c +1 -1
@@ -1260,7 +1260,7 @@ static void pvr2_v4l2_dev_init(struct pvr2_v4l2_dev *dip,
 			": Failed to register pvrusb2 v4l device\n");
 	}
 
-	printk(KERN_INFO "pvrusb2: registered device %s [%s]\n",
+	pr_info("pvrusb2: registered device %s [%s]\n",
 	       video_device_node_name(&dip->devbase),
 	       pvr2_config_get_name(dip->config));
 

Thanks
Helen