drivers/rtc: dump small buffers via %*ph

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 8 insertions, 44 deletions

diff --git a/drivers/rtc/rtc-ds1305.c b/drivers/rtc/rtc-ds1305.c
index d578773f5ce2..b05a6dc96405 100644
--- a/drivers/rtc/rtc-ds1305.c
+++ b/drivers/rtc/rtc-ds1305.c
@@ -635,9 +635,7 @@ static int ds1305_probe(struct spi_device *spi)
                 goto fail0;
         }
 
-        dev_dbg(&spi->dev, "ctrl %s: %02x %02x %02x\n",
-                        "read", ds1305->ctrl[0],
-                        ds1305->ctrl[1], ds1305->ctrl[2]);
+        dev_dbg(&spi->dev, "ctrl %s: %3ph\n", "read", ds1305->ctrl);
 
         /* Sanity check register values ... partially compensating for the
          * fact that SPI has no device handshake.  A pullup on MISO would
@@ -723,9 +721,7 @@ static int ds1305_probe(struct spi_device *spi)
                         goto fail0;
                 }
 
-                dev_dbg(&spi->dev, "ctrl %s: %02x %02x %02x\n",
-                                "write", ds1305->ctrl[0],
-                                ds1305->ctrl[1], ds1305->ctrl[2]);
+                dev_dbg(&spi->dev, "ctrl %s: %3ph\n", "write", ds1305->ctrl);
         }
 
         /* see if non-Linux software set up AM/PM mode */
diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c
index e0d0ba4de03f..970a236b147a 100644
--- a/drivers/rtc/rtc-ds1307.c
+++ b/drivers/rtc/rtc-ds1307.c
@@ -322,12 +322,7 @@ static int ds1307_get_time(struct device *dev, struct rtc_time *t)
                 return -EIO;
         }
 
-        dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x\n",
-                        "read",
-                        ds1307->regs[0], ds1307->regs[1],
-                        ds1307->regs[2], ds1307->regs[3],
-                        ds1307->regs[4], ds1307->regs[5],
-                        ds1307->regs[6]);
+        dev_dbg(dev, "%s: %7ph\n", "read", ds1307->regs);
 
         t->tm_sec = bcd2bin(ds1307->regs[DS1307_REG_SECS] & 0x7f);
         t->tm_min = bcd2bin(ds1307->regs[DS1307_REG_MIN] & 0x7f);
@@ -398,9 +393,7 @@ static int ds1307_set_time(struct device *dev, struct rtc_time *t)
                 break;
         }
 
-        dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x\n",
-                "write", buf[0], buf[1], buf[2], buf[3],
-                buf[4], buf[5], buf[6]);
+        dev_dbg(dev, "%s: %7ph\n", "write", buf);
 
         result = ds1307->write_block_data(ds1307->client,
                 ds1307->offset, 7, buf);
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index 04e93c6597f8..bff3cdc5140e 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -116,17 +116,7 @@ static int fm3130_get_time(struct device *dev, struct rtc_time *t)
 
         fm3130_rtc_mode(dev, FM3130_MODE_NORMAL);
 
-        dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x %02x"
-                        "%02x %02x %02x %02x %02x %02x %02x\n",
-                        "read",
-                        fm3130->regs[0], fm3130->regs[1],
-                        fm3130->regs[2], fm3130->regs[3],
-                        fm3130->regs[4], fm3130->regs[5],
-                        fm3130->regs[6], fm3130->regs[7],
-                        fm3130->regs[8], fm3130->regs[9],
-                        fm3130->regs[0xa], fm3130->regs[0xb],
-                        fm3130->regs[0xc], fm3130->regs[0xd],
-                        fm3130->regs[0xe]);
+        dev_dbg(dev, "%s: %15ph\n", "read", fm3130->regs);
 
         t->tm_sec = bcd2bin(fm3130->regs[FM3130_RTC_SECONDS] & 0x7f);
         t->tm_min = bcd2bin(fm3130->regs[FM3130_RTC_MINUTES] & 0x7f);
@@ -175,12 +165,7 @@ static int fm3130_set_time(struct device *dev, struct rtc_time *t)
         tmp = t->tm_year - 100;
         buf[FM3130_RTC_YEARS] = bin2bcd(tmp);
 
-        dev_dbg(dev, "%s: %02x %02x %02x %02x %02x %02x %02x"
-                "%02x %02x %02x %02x %02x %02x %02x %02x\n",
-                "write", buf[0], buf[1], buf[2], buf[3],
-                buf[4], buf[5], buf[6], buf[7],
-                buf[8], buf[9], buf[0xa], buf[0xb],
-                buf[0xc], buf[0xd], buf[0xe]);
+        dev_dbg(dev, "%s: %15ph\n", "write", buf);
 
         fm3130_rtc_mode(dev, FM3130_MODE_WRITE);
 
@@ -517,18 +502,8 @@ bad_alarm:
 bad_clock:
 
         if (!fm3130->data_valid || !fm3130->alarm_valid)
-                dev_dbg(&client->dev,
-                                "%s: %02x %02x %02x %02x %02x %02x %02x %02x"
-                                "%02x %02x %02x %02x %02x %02x %02x\n",
-                        "bogus registers",
-                        fm3130->regs[0], fm3130->regs[1],
-                        fm3130->regs[2], fm3130->regs[3],
-                        fm3130->regs[4], fm3130->regs[5],
-                        fm3130->regs[6], fm3130->regs[7],
-                        fm3130->regs[8], fm3130->regs[9],
-                        fm3130->regs[0xa], fm3130->regs[0xb],
-                        fm3130->regs[0xc], fm3130->regs[0xd],
-                        fm3130->regs[0xe]);
+                dev_dbg(&client->dev, "%s: %15ph\n", "bogus registers",
+                        fm3130->regs);
 
         /* We won't bail out here because we just got invalid data.
            Time setting from u-boot doesn't work anyway */