uwb: use print_hex_dump()

Use print_hex_dump() instead of the home-grown dump_bytes().

Signed-off-by: David Vrabel <david.vrabel@csr.com>

drivers/usb/wusbcore/crypto.c

@@ -51,13 +51,18 @@
 #include <linux/uwb.h>
 #include <linux/usb/wusb.h>
 #include <linux/scatterlist.h>
-#include <linux/uwb/debug.h>
 
 static int debug_crypto_verify = 0;
 
 module_param(debug_crypto_verify, int, 0);
 MODULE_PARM_DESC(debug_crypto_verify, "verify the key generation algorithms");
 
+static void wusb_key_dump(const void *buf, size_t len)
+{
+	print_hex_dump(KERN_ERR, "  ", DUMP_PREFIX_OFFSET, 16, 1,
+		       buf, len, 0);
+}
+
 /*
  * Block of data, as understood by AES-CCM
  *
@@ -396,14 +401,14 @@ static int wusb_oob_mic_verify(void)
 		       "mismatch between MIC result and WUSB1.0[A2]\n");
 		hs_size = sizeof(stv_hsmic_hs) - sizeof(stv_hsmic_hs.MIC);
 		printk(KERN_ERR "E: Handshake2 in: (%zu bytes)\n", hs_size);
-		dump_bytes(NULL, &stv_hsmic_hs, hs_size);
+		wusb_key_dump(&stv_hsmic_hs, hs_size);
 		printk(KERN_ERR "E: CCM Nonce in: (%zu bytes)\n",
 		       sizeof(stv_hsmic_n));
-		dump_bytes(NULL, &stv_hsmic_n, sizeof(stv_hsmic_n));
+		wusb_key_dump(&stv_hsmic_n, sizeof(stv_hsmic_n));
 		printk(KERN_ERR "E: MIC out:\n");
-		dump_bytes(NULL, mic, sizeof(mic));
+		wusb_key_dump(mic, sizeof(mic));
 		printk(KERN_ERR "E: MIC out (from WUSB1.0[A.2]):\n");
-		dump_bytes(NULL, stv_hsmic_hs.MIC, sizeof(stv_hsmic_hs.MIC));
+		wusb_key_dump(stv_hsmic_hs.MIC, sizeof(stv_hsmic_hs.MIC));
 		result = -EINVAL;
 	} else
 		result = 0;
@@ -471,19 +476,16 @@ static int wusb_key_derive_verify(void)
 		printk(KERN_ERR "E: WUSB key derivation test: "
 		       "mismatch between key derivation result "
 		       "and WUSB1.0[A1] Errata 2006/12\n");
-		printk(KERN_ERR "E: keydvt in: key (%zu bytes)\n",
-		       sizeof(stv_key_a1));
-		dump_bytes(NULL, stv_key_a1, sizeof(stv_key_a1));
-		printk(KERN_ERR "E: keydvt in: nonce (%zu bytes)\n",
-		       sizeof(stv_keydvt_n_a1));
-		dump_bytes(NULL, &stv_keydvt_n_a1, sizeof(stv_keydvt_n_a1));
-		printk(KERN_ERR "E: keydvt in: hnonce & dnonce (%zu bytes)\n",
-		       sizeof(stv_keydvt_in_a1));
-		dump_bytes(NULL, &stv_keydvt_in_a1, sizeof(stv_keydvt_in_a1));
+		printk(KERN_ERR "E: keydvt in: key\n");
+		wusb_key_dump(stv_key_a1, sizeof(stv_key_a1));
+		printk(KERN_ERR "E: keydvt in: nonce\n");
+		wusb_key_dump( &stv_keydvt_n_a1, sizeof(stv_keydvt_n_a1));
+		printk(KERN_ERR "E: keydvt in: hnonce & dnonce\n");
+		wusb_key_dump(&stv_keydvt_in_a1, sizeof(stv_keydvt_in_a1));
 		printk(KERN_ERR "E: keydvt out: KCK\n");
-		dump_bytes(NULL, &keydvt_out.kck, sizeof(keydvt_out.kck));
+		wusb_key_dump(&keydvt_out.kck, sizeof(keydvt_out.kck));
 		printk(KERN_ERR "E: keydvt out: PTK\n");
-		dump_bytes(NULL, &keydvt_out.ptk, sizeof(keydvt_out.ptk));
+		wusb_key_dump(&keydvt_out.ptk, sizeof(keydvt_out.ptk));
 		result = -EINVAL;
 	} else
 		result = 0;

drivers/usb/wusbcore/wa-nep.c

@@ -51,7 +51,7 @@
  */
 #include <linux/workqueue.h>
 #include <linux/ctype.h>
-#include <linux/uwb/debug.h>
+
 #include "wa-hc.h"
 #include "wusbhc.h"
 
@@ -139,13 +139,10 @@ static void wa_notif_dispatch(struct work_struct *ws)
 			/* FIXME: unimplemented WA NOTIFs */
 			/* fallthru */
 		default:
-			if (printk_ratelimit()) {
-				dev_err(dev, "HWA: unknown notification 0x%x, "
-					"%zu bytes; discarding\n",
-					notif_hdr->bNotifyType,
-					(size_t)notif_hdr->bLength);
-				dump_bytes(dev, notif_hdr, 16);
-			}
+			dev_err(dev, "HWA: unknown notification 0x%x, "
+				"%zu bytes; discarding\n",
+				notif_hdr->bNotifyType,
+				(size_t)notif_hdr->bLength);
 			break;
 		}
 	}
@@ -160,12 +157,9 @@ out:
 	 * discard the data, as this should not happen.
 	 */
 exhausted_buffer:
-	if (!printk_ratelimit())
-		goto out;
 	dev_warn(dev, "HWA: device sent short notification, "
 		 "%d bytes missing; discarding %d bytes.\n",
 		 missing, (int)size);
-	dump_bytes(dev, itr, size);
 	goto out;
 }
 

drivers/uwb/uwb-debug.c

@@ -4,6 +4,7 @@
  *
  * Copyright (C) 2005-2006 Intel Corporation
  * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
+ * Copyright (C) 2008 Cambridge Silicon Radio Ltd.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version
@@ -36,26 +37,6 @@
 
 #include "uwb-internal.h"
 
-void dump_bytes(struct device *dev, const void *_buf, size_t rsize)
-{
-	const char *buf = _buf;
-	char line[32];
-	size_t offset = 0;
-	int cnt, cnt2;
-	for (cnt = 0; cnt < rsize; cnt += 8) {
-		size_t rtop = rsize - cnt < 8 ? rsize - cnt : 8;
-		for (offset = cnt2 = 0; cnt2 < rtop; cnt2++) {
-			offset += scnprintf(line + offset, sizeof(line) - offset,
-					    "%02x ", buf[cnt + cnt2] & 0xff);
-		}
-		if (dev)
-			dev_info(dev, "%s\n", line);
-		else
-			printk(KERN_INFO "%s\n", line);
-	}
-}
-EXPORT_SYMBOL_GPL(dump_bytes);
-
 /*
  * Debug interface
  *