x86, olpc: Use pr_debug() for EC commands

Unconditionally printing EC debug messages was helpful when we were actually
debugging the EC, but during normal operation it can get pretty annoying.
Using pr_debug allows us finer-grained control.
Signed-off-by: Andres Salomon <dilinger@queued.net>
LKML-Reference: <20100616231928.16b539f0@dev.queued.net>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/kernel/olpc.c

@@ -142,7 +142,7 @@ int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
 	 * The OBF flag will sometimes misbehave due to what we believe
 	 * is a hardware quirk..
 	 */
-	printk(KERN_DEBUG "olpc-ec:  running cmd 0x%x\n", cmd);
+	pr_devel("olpc-ec:  running cmd 0x%x\n", cmd);
 	outb(cmd, 0x6c);
 
 	if (wait_on_ibf(0x6c, 0)) {
@@ -159,8 +159,7 @@ int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
 						" EC accept data!\n");
 				goto err;
 			}
-			printk(KERN_DEBUG "olpc-ec:  sending cmd arg 0x%x\n",
-					inbuf[i]);
+			pr_devel("olpc-ec:  sending cmd arg 0x%x\n", inbuf[i]);
 			outb(inbuf[i], 0x68);
 		}
 	}
@@ -173,8 +172,7 @@ int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
 				goto restart;
 			}
 			outbuf[i] = inb(0x68);
-			printk(KERN_DEBUG "olpc-ec:  received 0x%x\n",
-					outbuf[i]);
+			pr_devel("olpc-ec:  received 0x%x\n", outbuf[i]);
 		}
 	}