mtd: use %*ph[CN] to dump small buffers

There is new format specified that helps to dump small buffers. It makes the
code simpler and nicer.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Jiandong Zheng <jdzheng@broadcom.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

2 files changed, 6 insertions, 20 deletions

diff --git a/drivers/mtd/devices/doc2001plus.c b/drivers/mtd/devices/doc2001plus.c
index 04eb2e4aa50f..4f2220ad8924 100644
--- a/drivers/mtd/devices/doc2001plus.c
+++ b/drivers/mtd/devices/doc2001plus.c
@@ -659,23 +659,15 @@ static int doc_read(struct mtd_info *mtd, loff_t from, size_t len,
 #ifdef ECC_DEBUG
                         printk("%s(%d): Millennium Plus ECC error (from=0x%x:\n",
                                 __FILE__, __LINE__, (int)from);
-                        printk("        syndrome= %02x:%02x:%02x:%02x:%02x:"
-                                "%02x\n",
-                                syndrome[0], syndrome[1], syndrome[2],
-                                syndrome[3], syndrome[4], syndrome[5]);
-                        printk("          eccbuf= %02x:%02x:%02x:%02x:%02x:"
-                                "%02x\n",
-                                eccbuf[0], eccbuf[1], eccbuf[2],
-                                eccbuf[3], eccbuf[4], eccbuf[5]);
+                        printk("        syndrome= %*phC\n", 6, syndrome);
+                        printk("        eccbuf= %*phC\n", 6, eccbuf);
 #endif
                                 ret = -EIO;
                 }
         }
 
 #ifdef PSYCHO_DEBUG
-        printk("ECC DATA at %lx: %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X\n",
-               (long)from, eccbuf[0], eccbuf[1], eccbuf[2], eccbuf[3],
-               eccbuf[4], eccbuf[5]);
+        printk("ECC DATA at %lx: %*ph\n", (long)from, 6, eccbuf);
 #endif
         /* disable the ECC engine */
         WriteDOC(DOC_ECC_DIS, docptr , Mplus_ECCConf);
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index f70854d728fe..d34d83b8f9c2 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -919,19 +919,13 @@ static int doc_read_oob(struct mtd_info *mtd, loff_t from,
                 eccconf1 = doc_register_readb(docg3, DOC_ECCCONF1);
 
                 if (nboob >= DOC_LAYOUT_OOB_SIZE) {
-                        doc_dbg("OOB - INFO: %02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
-                                oobbuf[0], oobbuf[1], oobbuf[2], oobbuf[3],
-                                oobbuf[4], oobbuf[5], oobbuf[6]);
+                        doc_dbg("OOB - INFO: %*phC\n", 7, oobbuf);
                         doc_dbg("OOB - HAMMING: %02x\n", oobbuf[7]);
-                        doc_dbg("OOB - BCH_ECC: %02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
-                                oobbuf[8], oobbuf[9], oobbuf[10], oobbuf[11],
-                                oobbuf[12], oobbuf[13], oobbuf[14]);
+                        doc_dbg("OOB - BCH_ECC: %*phC\n", 7, oobbuf + 8);
                         doc_dbg("OOB - UNUSED: %02x\n", oobbuf[15]);
                 }
                 doc_dbg("ECC checks: ECCConf1=%x\n", eccconf1);
-                doc_dbg("ECC HW_ECC: %02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
-                        hwecc[0], hwecc[1], hwecc[2], hwecc[3], hwecc[4],
-                        hwecc[5], hwecc[6]);
+                doc_dbg("ECC HW_ECC: %*phC\n", 7, hwecc);
 
                 ret = -EIO;
                 if (is_prot_seq_error(docg3))