uwb: use dev_dbg() for debug messages

Instead of the home-grown d_fnstart(), d_fnend() and d_printf() macros,
use dev_dbg() or remove the message entirely.

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

7 files changed, 96 insertions, 429 deletions

diff --git a/drivers/usb/wusbcore/crypto.c b/drivers/usb/wusbcore/crypto.c
index 0ca860305fe..9d9128ac8c8 100644
--- a/drivers/usb/wusbcore/crypto.c
+++ b/drivers/usb/wusbcore/crypto.c
@@ -51,7 +51,6 @@
 #include <linux/uwb.h>
 #include <linux/usb/wusb.h>
 #include <linux/scatterlist.h>
-#define D_LOCAL 0
 #include <linux/uwb/debug.h>
 
 static int debug_crypto_verify = 0;
@@ -207,9 +206,6 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
 	const u8 bzero[16] = { 0 };
 	size_t zero_padding;
 
-	d_fnstart(3, NULL, "(tfm_cbc %p, tfm_aes %p, mic %p, "
-		  "n %p, a %p, b %p, blen %zu)\n",
-		  tfm_cbc, tfm_aes, mic, n, a, b, blen);
 	/*
 	 * These checks should be compile time optimized out
 	 * ensure @a fills b1's mac_header and following fields
@@ -251,16 +247,6 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
 	b1.la = cpu_to_be16(blen + 14);
 	memcpy(&b1.mac_header, a, sizeof(*a));
 
-	d_printf(4, NULL, "I: B0 (%zu bytes)\n", sizeof(b0));
-	d_dump(4, NULL, &b0, sizeof(b0));
-	d_printf(4, NULL, "I: B1 (%zu bytes)\n", sizeof(b1));
-	d_dump(4, NULL, &b1, sizeof(b1));
-	d_printf(4, NULL, "I: B (%zu bytes)\n", blen);
-	d_dump(4, NULL, b, blen);
-	d_printf(4, NULL, "I: B 0-padding (%zu bytes)\n", zero_padding);
-	d_printf(4, NULL, "D: IV before crypto (%zu)\n", ivsize);
-	d_dump(4, NULL, iv, ivsize);
-
 	sg_init_table(sg, ARRAY_SIZE(sg));
 	sg_set_buf(&sg[0], &b0, sizeof(b0));
 	sg_set_buf(&sg[1], &b1, sizeof(b1));
@@ -277,8 +263,6 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
 		       result);
 		goto error_cbc_crypt;
 	}
-	d_printf(4, NULL, "D: MIC tag\n");
-	d_dump(4, NULL, iv, ivsize);
 
 	/* Now we crypt the MIC Tag (*iv) with Ax -- values per WUSB1.0[6.5]
 	 * The procedure is to AES crypt the A0 block and XOR the MIC
@@ -293,17 +277,10 @@ static int wusb_ccm_mac(struct crypto_blkcipher *tfm_cbc,
 	ax.counter = 0;
 	crypto_cipher_encrypt_one(tfm_aes, (void *)&ax, (void *)&ax);
 	bytewise_xor(mic, &ax, iv, 8);
-	d_printf(4, NULL, "D: CTR[MIC]\n");
-	d_dump(4, NULL, &ax, 8);
-	d_printf(4, NULL, "D: CCM-MIC tag\n");
-	d_dump(4, NULL, mic, 8);
 	result = 8;
 error_cbc_crypt:
 	kfree(dst_buf);
 error_dst_buf:
-	d_fnend(3, NULL, "(tfm_cbc %p, tfm_aes %p, mic %p, "
-		"n %p, a %p, b %p, blen %zu)\n",
-		tfm_cbc, tfm_aes, mic, n, a, b, blen);
 	return result;
 }
 
@@ -325,10 +302,6 @@ ssize_t wusb_prf(void *out, size_t out_size,
 	u64 sfn = 0;
 	__le64 sfn_le;
 
-	d_fnstart(3, NULL, "(out %p, out_size %zu, key %p, _n %p, "
-		  "a %p, b %p, blen %zu, len %zu)\n", out, out_size,
-		  key, _n, a, b, blen, len);
-
 	tfm_cbc = crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
 	if (IS_ERR(tfm_cbc)) {
 		result = PTR_ERR(tfm_cbc);
@@ -370,9 +343,6 @@ error_alloc_aes:
 error_setkey_cbc:
 	crypto_free_blkcipher(tfm_cbc);
 error_alloc_cbc:
-	d_fnend(3, NULL, "(out %p, out_size %zu, key %p, _n %p, "
-		"a %p, b %p, blen %zu, len %zu) = %d\n", out, out_size,
-		key, _n, a, b, blen, len, (int)bytes);
 	return result;
 }
 
diff --git a/drivers/usb/wusbcore/dev-sysfs.c b/drivers/usb/wusbcore/dev-sysfs.c
index 7897a19652e..10183457623 100644
--- a/drivers/usb/wusbcore/dev-sysfs.c
+++ b/drivers/usb/wusbcore/dev-sysfs.c
@@ -28,10 +28,6 @@
 #include <linux/workqueue.h>
 #include "wusbhc.h"
 
-#undef D_LOCAL
-#define D_LOCAL 4
-#include <linux/uwb/debug.h>
-
 static ssize_t wusb_disconnect_store(struct device *dev,
 				     struct device_attribute *attr,
 				     const char *buf, size_t size)
diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index 26cbc89ea28..e2e7e4bc846 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -91,10 +91,6 @@
 #include <linux/workqueue.h>
 #include "wusbhc.h"
 
-#undef D_LOCAL
-#define D_LOCAL 1
-#include <linux/uwb/debug.h>
-
 static void wusbhc_devconnect_acked_work(struct work_struct *work);
 
 static void wusb_dev_free(struct wusb_dev *wusb_dev)
@@ -234,6 +230,7 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
 	list_add_tail(&wusb_dev->cack_node, &wusbhc->cack_list);
 	wusbhc->cack_count++;
 	wusbhc_fill_cack_ie(wusbhc);
+
 	return wusb_dev;
 }
 
@@ -244,12 +241,9 @@ static struct wusb_dev *wusbhc_cack_add(struct wusbhc *wusbhc,
  */
 static void wusbhc_cack_rm(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
 {
-	struct device *dev = wusbhc->dev;
-	d_fnstart(3, dev, "(wusbhc %p wusb_dev %p)\n", wusbhc, wusb_dev);
 	list_del_init(&wusb_dev->cack_node);
 	wusbhc->cack_count--;
 	wusbhc_fill_cack_ie(wusbhc);
-	d_fnend(3, dev, "(wusbhc %p wusb_dev %p) = void\n", wusbhc, wusb_dev);
 }
 
 /*
@@ -257,14 +251,11 @@ static void wusbhc_cack_rm(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
 static
 void wusbhc_devconnect_acked(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
 {
-	struct device *dev = wusbhc->dev;
-	d_fnstart(3, dev, "(wusbhc %p wusb_dev %p)\n", wusbhc, wusb_dev);
 	wusbhc_cack_rm(wusbhc, wusb_dev);
 	if (wusbhc->cack_count)
 		wusbhc_mmcie_set(wusbhc, 0, 0, &wusbhc->cack_ie.hdr);
 	else
 		wusbhc_mmcie_rm(wusbhc, &wusbhc->cack_ie.hdr);
-	d_fnend(3, dev, "(wusbhc %p wusb_dev %p) = void\n", wusbhc, wusb_dev);
 }
 
 static void wusbhc_devconnect_acked_work(struct work_struct *work)
@@ -314,7 +305,6 @@ void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
 	struct wusb_port *port;
 	unsigned idx, devnum;
 
-	d_fnstart(3, dev, "(%p, %p, %s)\n", wusbhc, dnc, pr_cdid);
 	mutex_lock(&wusbhc->mutex);
 
 	/* Check we are not handling it already */
@@ -367,7 +357,6 @@ void wusbhc_devconnect_ack(struct wusbhc *wusbhc, struct wusb_dn_connect *dnc,
 	 */
 error_unlock:
 	mutex_unlock(&wusbhc->mutex);
-	d_fnend(3, dev, "(%p, %p, %s) = void\n", wusbhc, dnc, pr_cdid);
 	return;
 
 }
@@ -390,10 +379,8 @@ error_unlock:
 static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
 				    struct wusb_port *port)
 {
-	struct device *dev = wusbhc->dev;
 	struct wusb_dev *wusb_dev = port->wusb_dev;
 
-	d_fnstart(3, dev, "(wusbhc %p, port %p)\n", wusbhc, port);
 	port->status &= ~(USB_PORT_STAT_CONNECTION | USB_PORT_STAT_ENABLE
 			  | USB_PORT_STAT_SUSPEND | USB_PORT_STAT_RESET
 			  | USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED);
@@ -410,7 +397,6 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc,
 	 * section 6.2.11.2). */
 	wusbhc_gtk_rekey(wusbhc);
 
-	d_fnend(3, dev, "(wusbhc %p, port %p) = void\n", wusbhc, port);
 	/* The Wireless USB part has forgotten about the device already; now
 	 * khubd's timer will pick up the disconnection and remove the USB
 	 * device from the system
@@ -535,10 +521,6 @@ static struct wusb_dev *wusbhc_find_dev_by_addr(struct wusbhc *wusbhc, u8 addr)
  */
 static void wusbhc_handle_dn_alive(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev)
 {
-	struct device *dev = wusbhc->dev;
-
-	d_printf(2, dev, "DN ALIVE: device 0x%02x pong\n", wusb_dev->addr);
-
 	mutex_lock(&wusbhc->mutex);
 	wusb_dev->entry_ts = jiffies;
 	__wusbhc_keep_alive(wusbhc);
@@ -571,11 +553,10 @@ static void wusbhc_handle_dn_connect(struct wusbhc *wusbhc,
 		"no-beacon"
 	};
 
-	d_fnstart(3, dev, "(%p, %p, %zu)\n", wusbhc, dn_hdr, size);
 	if (size < sizeof(*dnc)) {
 		dev_err(dev, "DN CONNECT: short notification (%zu < %zu)\n",
 			size, sizeof(*dnc));
-		goto out;
+		return;
 	}
 
 	dnc = container_of(dn_hdr, struct wusb_dn_connect, hdr);
@@ -587,10 +568,6 @@ static void wusbhc_handle_dn_connect(struct wusbhc *wusbhc,
 		 wusb_dn_connect_new_connection(dnc) ? "connect" : "reconnect");
 	/* ACK the connect */
 	wusbhc_devconnect_ack(wusbhc, dnc, pr_cdid);
-out:
-	d_fnend(3, dev, "(%p, %p, %zu) = void\n",
-		wusbhc, dn_hdr, size);
-	return;
 }
 
 /*
@@ -631,19 +608,17 @@ void wusbhc_handle_dn(struct wusbhc *wusbhc, u8 srcaddr,
 	struct device *dev = wusbhc->dev;
 	struct wusb_dev *wusb_dev;
 
-	d_fnstart(3, dev, "(%p, %p)\n", wusbhc, dn_hdr);
-
 	if (size < sizeof(struct wusb_dn_hdr)) {
 		dev_err(dev, "DN data shorter than DN header (%d < %d)\n",
 			(int)size, (int)sizeof(struct wusb_dn_hdr));
-		goto out;
+		return;
 	}
 
 	wusb_dev = wusbhc_find_dev_by_addr(wusbhc, srcaddr);
 	if (wusb_dev == NULL && dn_hdr->bType != WUSB_DN_CONNECT) {
 		dev_dbg(dev, "ignoring DN %d from unconnected device %02x\n",
 			dn_hdr->bType, srcaddr);
-		goto out;
+		return;
 	}
 
 	switch (dn_hdr->bType) {
@@ -668,9 +643,6 @@ void wusbhc_handle_dn(struct wusbhc *wusbhc, u8 srcaddr,
 		dev_warn(dev, "unknown DN %u (%d octets) from %u\n",
 			 dn_hdr->bType, (int)size, srcaddr);
 	}
-out:
-	d_fnend(3, dev, "(%p, %p) = void\n", wusbhc, dn_hdr);
-	return;
 }
 EXPORT_SYMBOL_GPL(wusbhc_handle_dn);
 
@@ -700,59 +672,30 @@ void __wusbhc_dev_disable(struct wusbhc *wusbhc, u8 port_idx)
 	struct wusb_dev *wusb_dev;
 	struct wuie_disconnect *ie;
 
-	d_fnstart(3, dev, "(%p, %u)\n", wusbhc, port_idx);
-	result = 0;
 	wusb_dev = wusb_port_by_idx(wusbhc, port_idx)->wusb_dev;
 	if (wusb_dev == NULL) {
 		/* reset no device? ignore */
 		dev_dbg(dev, "DISCONNECT: no device at port %u, ignoring\n",
 			port_idx);
-		goto error;
+		return;
 	}
 	__wusbhc_dev_disconnect(wusbhc, wusb_port_by_idx(wusbhc, port_idx));
 
-	result = -ENOMEM;
 	ie = kzalloc(sizeof(*ie), GFP_KERNEL);
 	if (ie == NULL)
-		goto error;
+		return;
 	ie->hdr.bLength = sizeof(*ie);
 	ie->hdr.bIEIdentifier = WUIE_ID_DEVICE_DISCONNECT;
 	ie->bDeviceAddress = wusb_dev->addr;
 	result = wusbhc_mmcie_set(wusbhc, 0, 0, &ie->hdr);
-	if (result < 0) {
+	if (result < 0)
 		dev_err(dev, "DISCONNECT: can't set MMC: %d\n", result);
-		goto error_kfree;
+	else {
+		/* At least 6 MMCs, assuming at least 1 MMC per zone. */
+		msleep(7*4);
+		wusbhc_mmcie_rm(wusbhc, &ie->hdr);
 	}
-
-	/* 120ms, hopefully 6 MMCs */
-	msleep(100);
-	wusbhc_mmcie_rm(wusbhc, &ie->hdr);
-error_kfree:
 	kfree(ie);
-error:
-	d_fnend(3, dev, "(%p, %u) = %d\n", wusbhc, port_idx, result);
-	return;
-}
-
-static void wusb_cap_descr_printf(const unsigned level, struct device *dev,
-				  const struct usb_wireless_cap_descriptor *wcd)
-{
-	d_printf(level, dev,
-		 "WUSB Capability Descriptor\n"
-		 "  bDevCapabilityType          0x%02x\n"
-		 "  bmAttributes                0x%02x\n"
-		 "  wPhyRates                   0x%04x\n"
-		 "  bmTFITXPowerInfo            0x%02x\n"
-		 "  bmFFITXPowerInfo            0x%02x\n"
-		 "  bmBandGroup                 0x%04x\n"
-		 "  bReserved                   0x%02x\n",
-		 wcd->bDevCapabilityType,
-		 wcd->bmAttributes,
-		 le16_to_cpu(wcd->wPHYRates),
-		 wcd->bmTFITXPowerInfo,
-		 wcd->bmFFITXPowerInfo,
-		 wcd->bmBandGroup,
-		 wcd->bReserved);
 }
 
 /*
@@ -795,8 +738,6 @@ static int wusb_dev_bos_grok(struct usb_device *usb_dev,
 		}
 		cap_size = cap_hdr->bLength;
 		cap_type = cap_hdr->bDevCapabilityType;
-		d_printf(4, dev, "BOS Capability: 0x%02x (%zu bytes)\n",
-			 cap_type, cap_size);
 		if (cap_size == 0)
 			break;
 		if (cap_size > top - itr) {
@@ -808,7 +749,6 @@ static int wusb_dev_bos_grok(struct usb_device *usb_dev,
 			result = -EBADF;
 			goto error_bad_cap;
 		}
-		d_dump(3, dev, itr, cap_size);
 		switch (cap_type) {
 		case USB_CAP_TYPE_WIRELESS_USB:
 			if (cap_size != sizeof(*wusb_dev->wusb_cap_descr))
@@ -816,10 +756,8 @@ static int wusb_dev_bos_grok(struct usb_device *usb_dev,
 					"descriptor is %zu bytes vs %zu "
 					"needed\n", cap_size,
 					sizeof(*wusb_dev->wusb_cap_descr));
-			else {
+			else
 				wusb_dev->wusb_cap_descr = itr;
-				wusb_cap_descr_printf(3, dev, itr);
-			}
 			break;
 		default:
 			dev_err(dev, "BUG? Unknown BOS capability 0x%02x "
@@ -884,9 +822,7 @@ static int wusb_dev_bos_add(struct usb_device *usb_dev,
 			"%zu bytes): %zd\n", desc_size, result);
 		goto error_get_descriptor;
 	}
-	d_printf(2, dev, "Got BOS descriptor %zd bytes, %u capabilities\n",
-		 result, bos->bNumDeviceCaps);
-	d_dump(2, dev, bos, result);
+
 	result = wusb_dev_bos_grok(usb_dev, wusb_dev, bos, result);
 	if (result < 0)
 		goto error_bad_bos;
@@ -952,8 +888,6 @@ static void wusb_dev_add_ncb(struct usb_device *usb_dev)
 	if (usb_dev->wusb == 0 || usb_dev->devnum == 1)
 		return;		/* skip non wusb and wusb RHs */
 
-	d_fnstart(3, dev, "(usb_dev %p)\n", usb_dev);
-
 	wusbhc = wusbhc_get_by_usb_dev(usb_dev);
 	if (wusbhc == NULL)
 		goto error_nodev;
@@ -983,7 +917,6 @@ out:
 	wusb_dev_put(wusb_dev);
 	wusbhc_put(wusbhc);
 error_nodev:
-	d_fnend(3, dev, "(usb_dev %p) = void\n", usb_dev);
 	return;
 
 	wusb_dev_sysfs_rm(wusb_dev);
@@ -1070,11 +1003,10 @@ EXPORT_SYMBOL_GPL(__wusb_dev_get_by_usb_dev);
 
 void wusb_dev_destroy(struct kref *_wusb_dev)
 {
-	struct wusb_dev *wusb_dev
-		= container_of(_wusb_dev, struct wusb_dev, refcnt);
+	struct wusb_dev *wusb_dev = container_of(_wusb_dev, struct wusb_dev, refcnt);
+
 	list_del_init(&wusb_dev->cack_node);
 	wusb_dev_free(wusb_dev);
-	d_fnend(1, NULL, "%s (wusb_dev %p) = void\n", __func__, wusb_dev);
 }
 EXPORT_SYMBOL_GPL(wusb_dev_destroy);
 
@@ -1086,8 +1018,6 @@ EXPORT_SYMBOL_GPL(wusb_dev_destroy);
  */
 int wusbhc_devconnect_create(struct wusbhc *wusbhc)
 {
-	d_fnstart(3, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
-
 	wusbhc->keep_alive_ie.hdr.bIEIdentifier = WUIE_ID_KEEP_ALIVE;
 	wusbhc->keep_alive_ie.hdr.bLength = sizeof(wusbhc->keep_alive_ie.hdr);
 	INIT_DELAYED_WORK(&wusbhc->keep_alive_timer, wusbhc_keep_alive_run);
@@ -1096,7 +1026,6 @@ int wusbhc_devconnect_create(struct wusbhc *wusbhc)
 	wusbhc->cack_ie.hdr.bLength = sizeof(wusbhc->cack_ie.hdr);
 	INIT_LIST_HEAD(&wusbhc->cack_list);
 
-	d_fnend(3, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
 	return 0;
 }
 
@@ -1105,8 +1034,7 @@ int wusbhc_devconnect_create(struct wusbhc *wusbhc)
  */
 void wusbhc_devconnect_destroy(struct wusbhc *wusbhc)
 {
-	d_fnstart(3, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
-	d_fnend(3, wusbhc->dev, "(wusbhc %p) = void\n", wusbhc);
+	/* no op */
 }
 
 /*
diff --git a/drivers/usb/wusbcore/rh.c b/drivers/usb/wusbcore/rh.c
index 1c733192ec2..95c6fa3bf6b 100644
--- a/drivers/usb/wusbcore/rh.c
+++ b/drivers/usb/wusbcore/rh.c
@@ -71,9 +71,6 @@
  */
 #include "wusbhc.h"
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
 /*
  * Reset a fake port
  *
@@ -142,7 +139,6 @@ int wusbhc_rh_status_data(struct usb_hcd *usb_hcd, char *_buf)
 	size_t cnt, size;
 	unsigned long *buf = (unsigned long *) _buf;
 
-	d_fnstart(1, wusbhc->dev, "(wusbhc %p)\n", wusbhc);
 	/* WE DON'T LOCK, see comment */
 	size = wusbhc->ports_max + 1 /* hub bit */;
 	size = (size + 8 - 1) / 8;	/* round to bytes */
@@ -151,8 +147,6 @@ int wusbhc_rh_status_data(struct usb_hcd *usb_hcd, char *_buf)
 			set_bit(cnt + 1, buf);
 		else
 			clear_bit(cnt + 1, buf);
-	d_fnend(1, wusbhc->dev, "(wusbhc %p) %u, buffer:\n", wusbhc, (int)size);
-	d_dump(1, wusbhc->dev, _buf, size);
 	return size;
 }
 EXPORT_SYMBOL_GPL(wusbhc_rh_status_data);
@@ -201,9 +195,7 @@ static int wusbhc_rh_get_hub_descr(struct wusbhc *wusbhc, u16 wValue,
 static int wusbhc_rh_clear_hub_feat(struct wusbhc *wusbhc, u16 feature)
 {
 	int result;
-	struct device *dev = wusbhc->dev;
 
-	d_fnstart(4, dev, "(%p, feature 0x%04u)\n", wusbhc, feature);
 	switch (feature) {
 	case C_HUB_LOCAL_POWER:
 		/* FIXME: maybe plug bit 0 to the power input status,
@@ -215,7 +207,6 @@ static int wusbhc_rh_clear_hub_feat(struct wusbhc *wusbhc, u16 feature)
 	default:
 		result = -EPIPE;
 	}
-	d_fnend(4, dev, "(%p, feature 0x%04u), %d\n", wusbhc, feature, result);
 	return result;
 }
 
@@ -242,14 +233,10 @@ static int wusbhc_rh_get_hub_status(struct wusbhc *wusbhc, u32 *buf,
 static int wusbhc_rh_set_port_feat(struct wusbhc *wusbhc, u16 feature,
 				   u8 selector, u8 port_idx)
 {
-	int result = -EINVAL;
 	struct device *dev = wusbhc->dev;
 
-	d_fnstart(4, dev, "(feat 0x%04u, selector 0x%u, port_idx %d)\n",
-		  feature, selector, port_idx);
-
 	if (port_idx > wusbhc->ports_max)
-		goto error;
+		return -EINVAL;
 
 	switch (feature) {
 		/* According to USB2.0[11.24.2.13]p2, these features
@@ -259,35 +246,27 @@ static int wusbhc_rh_set_port_feat(struct wusbhc *wusbhc, u16 feature,
 	case USB_PORT_FEAT_C_SUSPEND:
 	case USB_PORT_FEAT_C_CONNECTION:
 	case USB_PORT_FEAT_C_RESET:
-		result = 0;
-		break;
-
+		return 0;
 	case USB_PORT_FEAT_POWER:
 		/* No such thing, but we fake it works */
 		mutex_lock(&wusbhc->mutex);
 		wusb_port_by_idx(wusbhc, port_idx)->status |= USB_PORT_STAT_POWER;
 		mutex_unlock(&wusbhc->mutex);
-		result = 0;
-		break;
+		return 0;
 	case USB_PORT_FEAT_RESET:
-		result = wusbhc_rh_port_reset(wusbhc, port_idx);
-		break;
+		return wusbhc_rh_port_reset(wusbhc, port_idx);
 	case USB_PORT_FEAT_ENABLE:
 	case USB_PORT_FEAT_SUSPEND:
 		dev_err(dev, "(port_idx %d) set feat %d/%d UNIMPLEMENTED\n",
 			port_idx, feature, selector);
-		result = -ENOSYS;
-		break;
+		return -ENOSYS;
 	default:
 		dev_err(dev, "(port_idx %d) set feat %d/%d UNKNOWN\n",
 			port_idx, feature, selector);
-		result = -EPIPE;
-		break;
+		return -EPIPE;
 	}
-error:
-	d_fnend(4, dev, "(feat 0x%04u, selector 0x%u, port_idx %d) = %d\n",
-		feature, selector, port_idx, result);
-	return result;
+
+	return 0;
 }
 
 /*
@@ -298,17 +277,13 @@ error:
 static int wusbhc_rh_clear_port_feat(struct wusbhc *wusbhc, u16 feature,
 				     u8 selector, u8 port_idx)
 {
-	int result = -EINVAL;
+	int result = 0;
 	struct device *dev = wusbhc->dev;
 
-	d_fnstart(4, dev, "(wusbhc %p feat 0x%04x selector %d port_idx %d)\n",
-		  wusbhc, feature, selector, port_idx);
-
 	if (port_idx > wusbhc->ports_max)
-		goto error;
+		return -EINVAL;
 
 	mutex_lock(&wusbhc->mutex);
-	result = 0;
 	switch (feature) {
 	case USB_PORT_FEAT_POWER:	/* fake port always on */
 		/* According to USB2.0[11.24.2.7.1.4], no need to implement? */
@@ -328,10 +303,8 @@ static int wusbhc_rh_clear_port_feat(struct wusbhc *wusbhc, u16 feature,
 		break;
 	case USB_PORT_FEAT_SUSPEND:
 	case USB_PORT_FEAT_C_SUSPEND:
-	case 0xffff:		/* ??? FIXME */
 		dev_err(dev, "(port_idx %d) Clear feat %d/%d UNIMPLEMENTED\n",
 			port_idx, feature, selector);
-		/* dump_stack(); */
 		result = -ENOSYS;
 		break;
 	default:
@@ -341,9 +314,7 @@ static int wusbhc_rh_clear_port_feat(struct wusbhc *wusbhc, u16 feature,
 		break;
 	}
 	mutex_unlock(&wusbhc->mutex);
-error:
-	d_fnend(4, dev, "(wusbhc %p feat 0x%04x selector %d port_idx %d) = "
-		"%d\n", wusbhc, feature, selector, port_idx, result);
+
 	return result;
 }
 
@@ -355,22 +326,17 @@ error:
 static int wusbhc_rh_get_port_status(struct wusbhc *wusbhc, u16 port_idx,
 				     u32 *_buf, u16 wLength)
 {
-	int result = -EINVAL;
 	u16 *buf = (u16 *) _buf;
 
-	d_fnstart(1, wusbhc->dev, "(wusbhc %p port_idx %u wLength %u)\n",
-		  wusbhc, port_idx, wLength);
 	if (port_idx > wusbhc->ports_max)
-		goto error;
+		return -EINVAL;
+
 	mutex_lock(&wusbhc->mutex);
 	buf[0] = cpu_to_le16(wusb_port_by_idx(wusbhc, port_idx)->status);
 	buf[1] = cpu_to_le16(wusb_port_by_idx(wusbhc, port_idx)->change);
-	result = 0;
 	mutex_unlock(&wusbhc->mutex);
-error:
-	d_fnend(1, wusbhc->dev, "(wusbhc %p) = %d, buffer:\n", wusbhc, result);
-	d_dump(1, wusbhc->dev, _buf, wLength);
-	return result;
+
+	return 0;
 }
 
 /*
diff --git a/drivers/usb/wusbcore/security.c b/drivers/usb/wusbcore/security.c
index ac00640bba6..f4aa28eca70 100644
--- a/drivers/usb/wusbcore/security.c
+++ b/drivers/usb/wusbcore/security.c
@@ -27,19 +27,6 @@
 #include <linux/random.h>
 #include "wusbhc.h"
 
-/*
- * DEBUG & SECURITY WARNING!!!!
- *
- * If you enable this past 1, the debug code will weaken the
- * cryptographic safety of the system (on purpose, for debugging).
- *
- * Weaken means:
- *   we print secret keys and intermediate values all the way,
- */
-#undef D_LOCAL
-#define D_LOCAL 2
-#include <linux/uwb/debug.h>
-
 static void wusbhc_set_gtk_callback(struct urb *urb);
 static void wusbhc_gtk_rekey_done_work(struct work_struct *work);
 
@@ -219,7 +206,6 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
 	const void *itr, *top;
 	char buf[64];
 
-	d_fnstart(3, dev, "(usb_dev %p, wusb_dev %p)\n", usb_dev, wusb_dev);
 	result = usb_get_descriptor(usb_dev, USB_DT_SECURITY,
 				    0, &secd, sizeof(secd));
 	if (result < sizeof(secd)) {
@@ -228,8 +214,6 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
 		goto error_secd;
 	}
 	secd_size = le16_to_cpu(secd.wTotalLength);
-	d_printf(5, dev, "got %d bytes of sec descriptor, total is %d\n",
-		 result, secd_size);
 	secd_buf = kmalloc(secd_size, GFP_KERNEL);
 	if (secd_buf == NULL) {
 		dev_err(dev, "Can't allocate space for security descriptors\n");
@@ -242,7 +226,6 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
 			"not enough data: %d\n", result);
 		goto error_secd_all;
 	}
-	d_printf(5, dev, "got %d bytes of sec descriptors\n", result);
 	bytes = 0;
 	itr = secd_buf + sizeof(secd);
 	top = secd_buf + result;
@@ -279,14 +262,12 @@ int wusb_dev_sec_add(struct wusbhc *wusbhc,
 		goto error_no_ccm1;
 	}
 	wusb_dev->ccm1_etd = *ccm1_etd;
-	dev_info(dev, "supported encryption: %s; using %s (0x%02x/%02x)\n",
-		 buf, wusb_et_name(ccm1_etd->bEncryptionType),
-		 ccm1_etd->bEncryptionValue, ccm1_etd->bAuthKeyIndex);
+	dev_dbg(dev, "supported encryption: %s; using %s (0x%02x/%02x)\n",
+		buf, wusb_et_name(ccm1_etd->bEncryptionType),
+		ccm1_etd->bEncryptionValue, ccm1_etd->bAuthKeyIndex);
 	result = 0;
 	kfree(secd_buf);
 out:
-	d_fnend(3, dev, "(usb_dev %p, wusb_dev %p) = %d\n",
-		usb_dev, wusb_dev, result);
 	return result;
 
 
@@ -303,32 +284,6 @@ void wusb_dev_sec_rm(struct wusb_dev *wusb_dev)
 	/* Nothing so far */
 }
 
-static void hs_printk(unsigned level, struct device *dev,
-		      struct usb_handshake *hs)
-{
-	d_printf(level, dev,
-		 "  bMessageNumber: %u\n"
-		 "  bStatus:        %u\n"
-		 "  tTKID:          %02x %02x %02x\n"
-		 "  CDID:           %02x %02x %02x %02x %02x %02x %02x %02x\n"
-		 "                  %02x %02x %02x %02x %02x %02x %02x %02x\n"
-		 "  nonce:          %02x %02x %02x %02x %02x %02x %02x %02x\n"
-		 "                  %02x %02x %02x %02x %02x %02x %02x %02x\n"
-		 "  MIC:            %02x %02x %02x %02x %02x %02x %02x %02x\n",
-		 hs->bMessageNumber, hs->bStatus,
-		 hs->tTKID[2], hs->tTKID[1], hs->tTKID[0],
-		 hs->CDID[0], hs->CDID[1], hs->CDID[2], hs->CDID[3],
-		 hs->CDID[4], hs->CDID[5], hs->CDID[6], hs->CDID[7],
-		 hs->CDID[8], hs->CDID[9], hs->CDID[10], hs->CDID[11],
-		 hs->CDID[12], hs->CDID[13], hs->CDID[14], hs->CDID[15],
-		 hs->nonce[0], hs->nonce[1], hs->nonce[2], hs->nonce[3],
-		 hs->nonce[4], hs->nonce[5], hs->nonce[6], hs->nonce[7],
-		 hs->nonce[8], hs->nonce[9], hs->nonce[10], hs->nonce[11],
-		 hs->nonce[12], hs->nonce[13], hs->nonce[14], hs->nonce[15],
-		 hs->MIC[0], hs->MIC[1], hs->MIC[2], hs->MIC[3],
-		 hs->MIC[4], hs->MIC[5], hs->MIC[6], hs->MIC[7]);
-}
-
 /**
  * Update the address of an unauthenticated WUSB device
  *
@@ -421,9 +376,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
 	get_random_bytes(&hs[0].nonce, sizeof(hs[0].nonce));
 	memset(hs[0].MIC, 0, sizeof(hs[0].MIC));	/* Per WUSB1.0[T7-22] */
 
-	d_printf(1, dev, "I: sending hs1:\n");
-	hs_printk(2, dev, &hs[0]);
-
 	result = usb_control_msg(
 		usb_dev, usb_sndctrlpipe(usb_dev, 0),
 		USB_REQ_SET_HANDSHAKE,
@@ -444,8 +396,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
 		dev_err(dev, "Handshake2: request failed: %d\n", result);
 		goto error_hs2;
 	}
-	d_printf(1, dev, "got HS2:\n");
-	hs_printk(2, dev, &hs[1]);
 
 	result = -EINVAL;
 	if (hs[1].bMessageNumber != 2) {
@@ -486,10 +436,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
 			result);
 		goto error_hs2;
 	}
-	d_printf(2, dev, "KCK:\n");
-	d_dump(2, dev, keydvt_out.kck, sizeof(keydvt_out.kck));
-	d_printf(2, dev, "PTK:\n");
-	d_dump(2, dev, keydvt_out.ptk, sizeof(keydvt_out.ptk));
 
 	/* Compute MIC and verify it */
 	result = wusb_oob_mic(mic, keydvt_out.kck, &ccm_n, &hs[1]);
@@ -499,8 +445,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
 		goto error_hs2;
 	}
 
-	d_printf(2, dev, "MIC:\n");
-	d_dump(2, dev, mic, sizeof(mic));
 	if (memcmp(hs[1].MIC, mic, sizeof(hs[1].MIC))) {
 		dev_err(dev, "Handshake2 failed: MIC mismatch\n");
 		goto error_hs2;
@@ -520,9 +464,6 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
 		goto error_hs2;
 	}
 
-	d_printf(1, dev, "I: sending hs3:\n");
-	hs_printk(2, dev, &hs[2]);
-
 	result = usb_control_msg(
 		usb_dev, usb_sndctrlpipe(usb_dev, 0),
 		USB_REQ_SET_HANDSHAKE,
@@ -533,14 +474,11 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
 		goto error_hs3;
 	}
 
-	d_printf(1, dev, "I: turning on encryption on host for device\n");
-	d_dump(2, dev, keydvt_out.ptk, sizeof(keydvt_out.ptk));
 	result = wusbhc->set_ptk(wusbhc, wusb_dev->port_idx, tkid,
 				 keydvt_out.ptk, sizeof(keydvt_out.ptk));
 	if (result < 0)
 		goto error_wusbhc_set_ptk;
 
-	d_printf(1, dev, "I: setting a GTK\n");
 	result = wusb_dev_set_gtk(wusbhc, wusb_dev);
 	if (result < 0) {
 		dev_err(dev, "Set GTK for device: request failed: %d\n",
@@ -550,13 +488,12 @@ int wusb_dev_4way_handshake(struct wusbhc *wusbhc, struct wusb_dev *wusb_dev,
 
 	/* Update the device's address from unauth to auth */
 	if (usb_dev->authenticated == 0) {
-		d_printf(1, dev, "I: updating addres to auth from non-auth\n");
 		result = wusb_dev_update_address(wusbhc, wusb_dev);
 		if (result < 0)
 			goto error_dev_update_address;
 	}
 	result = 0;
-	d_printf(1, dev, "I: 4way handshke done, device authenticated\n");
+	dev_info(dev, "device authenticated\n");
 
 error_dev_update_address:
 error_wusbhc_set_gtk:
@@ -569,10 +506,8 @@ error_hs1:
 	memset(&keydvt_in, 0, sizeof(keydvt_in));
 	memset(&ccm_n, 0, sizeof(ccm_n));
 	memset(mic, 0, sizeof(mic));
-	if (result < 0) {
-		/* error path */
+	if (result < 0)
 		wusb_dev_set_encryption(usb_dev, 0);
-	}
 error_dev_set_encryption:
 	kfree(hs);
 error_kzalloc:
diff --git a/drivers/usb/wusbcore/wa-rpipe.c b/drivers/usb/wusbcore/wa-rpipe.c
index f18e4aae66e..7369655f69c 100644
--- a/drivers/usb/wusbcore/wa-rpipe.c
+++ b/drivers/usb/wusbcore/wa-rpipe.c
@@ -60,13 +60,10 @@
 #include <linux/init.h>
 #include <asm/atomic.h>
 #include <linux/bitmap.h>
+
 #include "wusbhc.h"
 #include "wa-hc.h"
 
-#define D_LOCAL 0
-#include <linux/uwb/debug.h>
-
-
 static int __rpipe_get_descr(struct wahc *wa,
 			     struct usb_rpipe_descriptor *descr, u16 index)
 {
@@ -76,7 +73,6 @@ static int __rpipe_get_descr(struct wahc *wa,
 	/* Get the RPIPE descriptor -- we cannot use the usb_get_descriptor()
 	 * function because the arguments are different.
 	 */
-	d_printf(1, dev, "rpipe %u: get descr\n", index);
 	result = usb_control_msg(
 		wa->usb_dev, usb_rcvctrlpipe(wa->usb_dev, 0),
 		USB_REQ_GET_DESCRIPTOR,
@@ -115,7 +111,6 @@ static int __rpipe_set_descr(struct wahc *wa,
 	/* we cannot use the usb_get_descriptor() function because the
 	 * arguments are different.
 	 */
-	d_printf(1, dev, "rpipe %u: set descr\n", index);
 	result = usb_control_msg(
 		wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
 		USB_REQ_SET_DESCRIPTOR,
@@ -174,13 +169,12 @@ void rpipe_destroy(struct kref *_rpipe)
 {
 	struct wa_rpipe *rpipe = container_of(_rpipe, struct wa_rpipe, refcnt);
 	u8 index = le16_to_cpu(rpipe->descr.wRPipeIndex);
-	d_fnstart(1, NULL, "(rpipe %p %u)\n", rpipe, index);
+
 	if (rpipe->ep)
 		rpipe->ep->hcpriv = NULL;
 	rpipe_put_idx(rpipe->wa, index);
 	wa_put(rpipe->wa);
 	kfree(rpipe);
-	d_fnend(1, NULL, "(rpipe %p %u)\n", rpipe, index);
 }
 EXPORT_SYMBOL_GPL(rpipe_destroy);
 
@@ -202,7 +196,6 @@ static int rpipe_get_idle(struct wa_rpipe **prpipe, struct wahc *wa, u8 crs,
 	struct wa_rpipe *rpipe;
 	struct device *dev = &wa->usb_iface->dev;
 
-	d_fnstart(3, dev, "(wa %p crs 0x%02x)\n", wa, crs);
 	rpipe = kzalloc(sizeof(*rpipe), gfp);
 	if (rpipe == NULL)
 		return -ENOMEM;
@@ -223,14 +216,12 @@ static int rpipe_get_idle(struct wa_rpipe **prpipe, struct wahc *wa, u8 crs,
 	}
 	*prpipe = NULL;
 	kfree(rpipe);
-	d_fnend(3, dev, "(wa %p crs 0x%02x) = -ENXIO\n", wa, crs);
 	return -ENXIO;
 
 found:
 	set_bit(rpipe_idx, wa->rpipe_bm);
 	rpipe->wa = wa_get(wa);
 	*prpipe = rpipe;
-	d_fnstart(3, dev, "(wa %p crs 0x%02x) = 0\n", wa, crs);
 	return 0;
 }
 
@@ -239,7 +230,6 @@ static int __rpipe_reset(struct wahc *wa, unsigned index)
 	int result;
 	struct device *dev = &wa->usb_iface->dev;
 
-	d_printf(1, dev, "rpipe %u: reset\n", index);
 	result = usb_control_msg(
 		wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0),
 		USB_REQ_RPIPE_RESET,
@@ -276,7 +266,6 @@ static struct usb_wireless_ep_comp_descriptor *rpipe_epc_find(
 	struct usb_descriptor_header *hdr;
 	struct usb_wireless_ep_comp_descriptor *epcd;
 
-	d_fnstart(3, dev, "(ep %p)\n", ep);
 	if (ep->desc.bEndpointAddress == 0) {
 		epcd = &epc0;
 		goto out;
@@ -310,7 +299,6 @@ static struct usb_wireless_ep_comp_descriptor *rpipe_epc_find(
 		itr_size -= hdr->bDescriptorType;
 	}
 out:
-	d_fnend(3, dev, "(ep %p) = %p\n", ep, epcd);
 	return epcd;
 }
 
@@ -329,8 +317,6 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,
 	struct usb_wireless_ep_comp_descriptor *epcd;
 	u8 unauth;
 
-	d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n",
-		    rpipe, wa, ep, urb);
 	epcd = rpipe_epc_find(dev, ep);
 	if (epcd == NULL) {
 		dev_err(dev, "ep 0x%02x: can't find companion descriptor\n",
@@ -350,10 +336,12 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,
 	/* FIXME: use maximum speed as supported or recommended by device */
 	rpipe->descr.bSpeed = usb_pipeendpoint(urb->pipe) == 0 ?
 		UWB_PHY_RATE_53 : UWB_PHY_RATE_200;
-	d_printf(2, dev, "addr %u (0x%02x) rpipe #%u ep# %u speed %d\n",
-		 urb->dev->devnum, urb->dev->devnum | unauth,
-		 le16_to_cpu(rpipe->descr.wRPipeIndex),
-		 usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed);
+
+	dev_dbg(dev, "addr %u (0x%02x) rpipe #%u ep# %u speed %d\n",
+		urb->dev->devnum, urb->dev->devnum | unauth,
+		le16_to_cpu(rpipe->descr.wRPipeIndex),
+		usb_pipeendpoint(urb->pipe), rpipe->descr.bSpeed);
+
 	/* see security.c:wusb_update_address() */
 	if (unlikely(urb->dev->devnum == 0x80))
 		rpipe->descr.bDeviceAddress = 0;
@@ -384,8 +372,6 @@ static int rpipe_aim(struct wa_rpipe *rpipe, struct wahc *wa,
 	}
 	result = 0;
 error:
-	d_fnend(3, dev, "(rpipe %p wa %p ep %p urb %p) = %d\n",
-		  rpipe, wa, ep, urb, result);
 	return result;
 }
 
@@ -405,8 +391,6 @@ static int rpipe_check_aim(const struct wa_rpipe *rpipe, const struct wahc *wa,
 	u8 unauth = (usb_dev->wusb && !usb_dev->authenticated) ? 0x80 : 0;
 	u8 portnum = wusb_port_no_to_idx(urb->dev->portnum);
 
-	d_fnstart(3, dev, "(rpipe %p wa %p ep %p, urb %p)\n",
-		    rpipe, wa, ep, urb);
 #define AIM_CHECK(rdf, val, text)					\
 	do {								\
 		if (rpipe->descr.rdf != (val)) {			\
@@ -451,8 +435,6 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep,
 	struct wa_rpipe *rpipe;
 	u8 eptype;
 
-	d_fnstart(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb,
-		  gfp);
 	mutex_lock(&wa->rpipe_mutex);
 	rpipe = ep->hcpriv;
 	if (rpipe != NULL) {
@@ -462,9 +444,9 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep,
 				goto error;
 		}
 		__rpipe_get(rpipe);
-		d_printf(2, dev, "ep 0x%02x: reusing rpipe %u\n",
-			 ep->desc.bEndpointAddress,
-			 le16_to_cpu(rpipe->descr.wRPipeIndex));
+		dev_dbg(dev, "ep 0x%02x: reusing rpipe %u\n",
+			ep->desc.bEndpointAddress,
+			le16_to_cpu(rpipe->descr.wRPipeIndex));
 	} else {
 		/* hmm, assign idle rpipe, aim it */
 		result = -ENOBUFS;
@@ -480,14 +462,12 @@ int rpipe_get_by_ep(struct wahc *wa, struct usb_host_endpoint *ep,
 		ep->hcpriv = rpipe;
 		rpipe->ep = ep;
 		__rpipe_get(rpipe);	/* for caching into ep->hcpriv */
-		d_printf(2, dev, "ep 0x%02x: using rpipe %u\n",
-			 ep->desc.bEndpointAddress,
-			 le16_to_cpu(rpipe->descr.wRPipeIndex));
+		dev_dbg(dev, "ep 0x%02x: using rpipe %u\n",
+			ep->desc.bEndpointAddress,
+			le16_to_cpu(rpipe->descr.wRPipeIndex));
 	}
-	d_dump(4, dev, &rpipe->descr, sizeof(rpipe->descr));
 error:
 	mutex_unlock(&wa->rpipe_mutex);
-	d_fnend(3, dev, "(wa %p ep %p urb %p gfp 0x%08x)\n", wa, ep, urb, gfp);
 	return result;
 }
 
@@ -507,7 +487,7 @@ int wa_rpipes_create(struct wahc *wa)
 void wa_rpipes_destroy(struct wahc *wa)
 {
 	struct device *dev = &wa->usb_iface->dev;
-	d_fnstart(3, dev, "(wa %p)\n", wa);
+
 	if (!bitmap_empty(wa->rpipe_bm, wa->rpipes)) {
 		char buf[256];
 		WARN_ON(1);
@@ -515,7 +495,6 @@ void wa_rpipes_destroy(struct wahc *wa)
 		dev_err(dev, "BUG: pipes not released on exit: %s\n", buf);
 	}
 	kfree(wa->rpipe_bm);
-	d_fnend(3, dev, "(wa %p)\n", wa);
 }