3 files changed, 11 insertions, 26 deletions

diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index 85706a9f82c9..f39691eea736 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -186,9 +186,7 @@ static int ds1305_get_time(struct device *dev, struct rtc_time *time)
         if (status < 0)
                 return status;
 
-        dev_vdbg(dev, "%s: %02x %02x %02x, %02x %02x %02x %02x\n",
-                "read", buf[0], buf[1], buf[2], buf[3],
-                buf[4], buf[5], buf[6]);
+        dev_vdbg(dev, "%s: %3ph, %4ph\n", "read", &buf[0], &buf[3]);
 
         /* Decode the registers */
         time->tm_sec = bcd2bin(buf[DS1305_SEC]);
@@ -232,9 +230,7 @@ static int ds1305_set_time(struct device *dev, struct rtc_time *time)
         *bp++ = bin2bcd(time->tm_mon + 1);
         *bp++ = bin2bcd(time->tm_year - 100);
 
-        dev_dbg(dev, "%s: %02x %02x %02x, %02x %02x %02x %02x\n",
-                "write", buf[1], buf[2], buf[3],
-                buf[4], buf[5], buf[6], buf[7]);
+        dev_dbg(dev, "%s: %3ph, %4ph\n", "write", &buf[1], &buf[4]);
 
         /* use write-then-read since dma from stack is nonportable */
         return spi_write_then_read(ds1305->spi, buf, sizeof(buf),
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index aa705bb4748c..cf685f67b391 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -460,13 +460,8 @@ static int ds1337_read_alarm(struct device *dev, struct rtc_wkalrm *t)
                 return -EIO;
         }
 
-        dev_dbg(dev, "%s: %02x %02x %02x %02x, %02x %02x %02x, %02x %02x\n",
-                        "alarm read",
-                        ds1307->regs[0], ds1307->regs[1],
-                        ds1307->regs[2], ds1307->regs[3],
-                        ds1307->regs[4], ds1307->regs[5],
-                        ds1307->regs[6], ds1307->regs[7],
-                        ds1307->regs[8]);
+        dev_dbg(dev, "%s: %4ph, %3ph, %2ph\n", "alarm read",
+                &ds1307->regs[0], &ds1307->regs[4], &ds1307->regs[7]);
 
         /*
          * report alarm time (ALARM1); assume 24 hour and day-of-month modes,
@@ -522,12 +517,8 @@ static int ds1337_set_alarm(struct device *dev, struct rtc_wkalrm *t)
         control = ds1307->regs[7];
         status = ds1307->regs[8];
 
-        dev_dbg(dev, "%s: %02x %02x %02x %02x, %02x %02x %02x, %02x %02x\n",
-                        "alarm set (old status)",
-                        ds1307->regs[0], ds1307->regs[1],
-                        ds1307->regs[2], ds1307->regs[3],
-                        ds1307->regs[4], ds1307->regs[5],
-                        ds1307->regs[6], control, status);
+        dev_dbg(dev, "%s: %4ph, %3ph, %02x %02x\n", "alarm set (old status)",
+                &ds1307->regs[0], &ds1307->regs[4], control, status);
 
         /* set ALARM1, using 24 hour and day-of-month modes */
         buf[0] = bin2bcd(t->time.tm_sec);
diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
index 05a51ef52703..5038122aa8de 100644
--- a/drivers/rtc/rtc-ds1685.c
+++ b/drivers/rtc/rtc-ds1685.c
@@ -853,7 +853,7 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
            "Periodic Rate\t: %s\n"
            "SQW Freq\t: %s\n"
 #ifdef CONFIG_RTC_DS1685_PROC_REGS
-           "Serial #\t: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n"
+           "Serial #\t: %8phC\n"
            "Register Status\t:\n"
            "   Ctrl A\t: UIP  DV2  DV1  DV0  RS3  RS2  RS1  RS0\n"
            "\t\t:  %s\n"
@@ -872,7 +872,7 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
            "   Ctrl 4B\t: ABE  E32k  CS  RCE  PRS  RIE  WIE  KSE\n"
            "\t\t:  %s\n",
 #else
-           "Serial #\t: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
+           "Serial #\t: %8phC\n",
 #endif
            model,
            ((ctrla & RTC_CTRL_A_DV1) ? "enabled" : "disabled"),
@@ -888,7 +888,7 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
            (!((ctrl4b & RTC_CTRL_4B_E32K)) ?
             ds1685_rtc_sqw_freq[(ctrla & RTC_CTRL_A_RS_MASK)] : "32768Hz"),
 #ifdef CONFIG_RTC_DS1685_PROC_REGS
-           ssn[0], ssn[1], ssn[2], ssn[3], ssn[4], ssn[5], ssn[6], ssn[7],
+           ssn,
            ds1685_rtc_print_regs(ctrla, bits[0]),
            ds1685_rtc_print_regs(ctrlb, bits[1]),
            ds1685_rtc_print_regs(ctrlc, bits[2]),
@@ -896,7 +896,7 @@ ds1685_rtc_proc(struct device *dev, struct seq_file *seq)
            ds1685_rtc_print_regs(ctrl4a, bits[4]),
            ds1685_rtc_print_regs(ctrl4b, bits[5]));
 #else
-           ssn[0], ssn[1], ssn[2], ssn[3], ssn[4], ssn[5], ssn[6], ssn[7]);
+           ssn);
 #endif
         return 0;
 }
@@ -1160,9 +1160,7 @@ ds1685_rtc_sysfs_serial_show(struct device *dev,
         ds1685_rtc_get_ssn(rtc, ssn);
         ds1685_rtc_switch_to_bank0(rtc);
 
-        return snprintf(buf, 24, "%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
-                        ssn[0], ssn[1], ssn[2], ssn[3], ssn[4], ssn[5],
-                        ssn[6], ssn[7]);
+        return snprintf(buf, 24, "%8phC\n", ssn);
 
         return 0;
 }