[PATCH v2 02/10] usb: musb: switch dev_dbg to tracepoints

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Switch dev_dbg() to tracepoint debug musb_dbg().

Signed-off-by: Bin Liu <b-liu@xxxxxx>
---
v2: switch some missing dev_dbg() to musb_dbg()
    fix 80 col warnings by checkpatch.pl

 drivers/usb/musb/cppi_dma.c        |  50 +++++++++--------
 drivers/usb/musb/musb_core.c       |  64 +++++++++++-----------
 drivers/usb/musb/musb_cppi41.c     |  12 ++---
 drivers/usb/musb/musb_gadget.c     |  97 ++++++++++++++++-----------------
 drivers/usb/musb/musb_gadget_ep0.c |  22 ++++----
 drivers/usb/musb/musb_host.c       | 107 ++++++++++++++++++-------------------
 drivers/usb/musb/musb_virthub.c    |  24 ++++-----
 drivers/usb/musb/musbhsdma.c       |  10 ++--
 8 files changed, 187 insertions(+), 199 deletions(-)

diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index cc13410..5da93ec 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -232,7 +232,7 @@ static void cppi_controller_stop(struct cppi *controller)
 	musb_writel(tibase, DAVINCI_RXCPPI_INTCLR_REG,
 			DAVINCI_DMA_ALL_CHANNELS_ENABLE);
 
-	dev_dbg(musb->controller, "Tearing down RX and TX Channels\n");
+	musb_dbg(musb, "Tearing down RX and TX Channels");
 	for (i = 0; i < ARRAY_SIZE(controller->tx); i++) {
 		/* FIXME restructure of txdma to use bds like rxdma */
 		controller->tx[i].last_processed = NULL;
@@ -297,13 +297,13 @@ cppi_channel_allocate(struct dma_controller *c,
 	 */
 	if (transmit) {
 		if (index >= ARRAY_SIZE(controller->tx)) {
-			dev_dbg(musb->controller, "no %cX%d CPPI channel\n", 'T', index);
+			musb_dbg(musb, "no %cX%d CPPI channel", 'T', index);
 			return NULL;
 		}
 		cppi_ch = controller->tx + index;
 	} else {
 		if (index >= ARRAY_SIZE(controller->rx)) {
-			dev_dbg(musb->controller, "no %cX%d CPPI channel\n", 'R', index);
+			musb_dbg(musb, "no %cX%d CPPI channel", 'R', index);
 			return NULL;
 		}
 		cppi_ch = controller->rx + index;
@@ -314,13 +314,13 @@ cppi_channel_allocate(struct dma_controller *c,
 	 * with the other DMA engine too
 	 */
 	if (cppi_ch->hw_ep)
-		dev_dbg(musb->controller, "re-allocating DMA%d %cX channel %p\n",
+		musb_dbg(musb, "re-allocating DMA%d %cX channel %p",
 				index, transmit ? 'T' : 'R', cppi_ch);
 	cppi_ch->hw_ep = ep;
 	cppi_ch->channel.status = MUSB_DMA_STATUS_FREE;
 	cppi_ch->channel.max_len = 0x7fffffff;
 
-	dev_dbg(musb->controller, "Allocate CPPI%d %cX\n", index, transmit ? 'T' : 'R');
+	musb_dbg(musb, "Allocate CPPI%d %cX", index, transmit ? 'T' : 'R');
 	return &cppi_ch->channel;
 }
 
@@ -335,8 +335,8 @@ static void cppi_channel_release(struct dma_channel *channel)
 	c = container_of(channel, struct cppi_channel, channel);
 	tibase = c->controller->tibase;
 	if (!c->hw_ep)
-		dev_dbg(c->controller->musb->controller,
-			"releasing idle DMA channel %p\n", c);
+		musb_dbg(c->controller->musb,
+			"releasing idle DMA channel %p", c);
 	else if (!c->transmit)
 		core_rxirq_enable(tibase, c->index + 1);
 
@@ -354,11 +354,10 @@ cppi_dump_rx(int level, struct cppi_channel *c, const char *tag)
 
 	musb_ep_select(base, c->index + 1);
 
-	dev_dbg(c->controller->musb->controller,
+	musb_dbg(c->controller->musb,
 		"RX DMA%d%s: %d left, csr %04x, "
 		"%08x H%08x S%08x C%08x, "
-		"B%08x L%08x %08x .. %08x"
-		"\n",
+		"B%08x L%08x %08x .. %08x",
 		c->index, tag,
 		musb_readl(c->controller->tibase,
 			DAVINCI_RXCPPI_BUFCNT0_REG + 4 * c->index),
@@ -385,11 +384,10 @@ cppi_dump_tx(int level, struct cppi_channel *c, const char *tag)
 
 	musb_ep_select(base, c->index + 1);
 
-	dev_dbg(c->controller->musb->controller,
+	musb_dbg(c->controller->musb,
 		"TX DMA%d%s: csr %04x, "
 		"H%08x S%08x C%08x %08x, "
-		"F%08x L%08x .. %08x"
-		"\n",
+		"F%08x L%08x .. %08x",
 		c->index, tag,
 		musb_readw(c->hw_ep->regs, MUSB_TXCSR),
 
@@ -590,7 +588,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx)
 		length = min(n_bds * maxpacket, length);
 	}
 
-	dev_dbg(musb->controller, "TX DMA%d, pktSz %d %s bds %d dma 0x%llx len %u\n",
+	musb_dbg(musb, "TX DMA%d, pktSz %d %s bds %d dma 0x%llx len %u",
 			tx->index,
 			maxpacket,
 			rndis ? "rndis" : "transparent",
@@ -647,7 +645,7 @@ cppi_next_tx_segment(struct musb *musb, struct cppi_channel *tx)
 				bd->hw_options |= CPPI_ZERO_SET;
 		}
 
-		dev_dbg(musb->controller, "TXBD %p: nxt %08x buf %08x len %04x opt %08x\n",
+		musb_dbg(musb, "TXBD %p: nxt %08x buf %08x len %04x opt %08x",
 				bd, bd->hw_next, bd->hw_bufp,
 				bd->hw_off_len, bd->hw_options);
 
@@ -813,8 +811,8 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket)
 
 	length = min(n_bds * maxpacket, length);
 
-	dev_dbg(musb->controller, "RX DMA%d seg, maxp %d %s bds %d (cnt %d) "
-			"dma 0x%llx len %u %u/%u\n",
+	musb_dbg(musb, "RX DMA%d seg, maxp %d %s bds %d (cnt %d) "
+			"dma 0x%llx len %u %u/%u",
 			rx->index, maxpacket,
 			onepacket
 				? (is_rndis ? "rndis" : "onepacket")
@@ -924,7 +922,7 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket)
 			DAVINCI_RXCPPI_BUFCNT0_REG + (rx->index * 4))
 			& 0xffff;
 	if (i < (2 + n_bds)) {
-		dev_dbg(musb->controller, "bufcnt%d underrun - %d (for %d)\n",
+		musb_dbg(musb, "bufcnt%d underrun - %d (for %d)",
 					rx->index, i, n_bds);
 		musb_writel(tibase,
 			DAVINCI_RXCPPI_BUFCNT0_REG + (rx->index * 4),
@@ -973,7 +971,7 @@ static int cppi_channel_program(struct dma_channel *ch,
 		/* WARN_ON(1); */
 		break;
 	case MUSB_DMA_STATUS_UNKNOWN:
-		dev_dbg(musb->controller, "%cX DMA%d not allocated!\n",
+		musb_dbg(musb, "%cX DMA%d not allocated!",
 				cppi_ch->transmit ? 'T' : 'R',
 				cppi_ch->index);
 		/* FALLTHROUGH */
@@ -1029,8 +1027,8 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
 		if (!completed && (bd->hw_options & CPPI_OWN_SET))
 			break;
 
-		dev_dbg(musb->controller, "C/RXBD %llx: nxt %08x buf %08x "
-			"off.len %08x opt.len %08x (%d)\n",
+		musb_dbg(musb, "C/RXBD %llx: nxt %08x buf %08x "
+			"off.len %08x opt.len %08x (%d)",
 			(unsigned long long)bd->dma, bd->hw_next, bd->hw_bufp,
 			bd->hw_off_len, bd->hw_options,
 			rx->channel.actual_len);
@@ -1051,7 +1049,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
 			 * CPPI ignores those BDs even though OWN is still set.
 			 */
 			completed = true;
-			dev_dbg(musb->controller, "rx short %d/%d (%d)\n",
+			musb_dbg(musb, "rx short %d/%d (%d)",
 					len, bd->buflen,
 					rx->channel.actual_len);
 		}
@@ -1101,7 +1099,7 @@ static bool cppi_rx_scan(struct cppi *cppi, unsigned ch)
 		musb_ep_select(cppi->mregs, rx->index + 1);
 		csr = musb_readw(regs, MUSB_RXCSR);
 		if (csr & MUSB_RXCSR_DMAENAB) {
-			dev_dbg(musb->controller, "list%d %p/%p, last %llx%s, csr %04x\n",
+			musb_dbg(musb, "list%d %p/%p, last %llx%s, csr %04x",
 				rx->index,
 				rx->head, rx->tail,
 				rx->last_processed
@@ -1164,7 +1162,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
 		return IRQ_NONE;
 	}
 
-	dev_dbg(musb->controller, "CPPI IRQ Tx%x Rx%x\n", tx, rx);
+	musb_dbg(musb, "CPPI IRQ Tx%x Rx%x", tx, rx);
 
 	/* process TX channels */
 	for (index = 0; tx; tx = tx >> 1, index++) {
@@ -1192,7 +1190,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
 		 * that needs to be acknowledged.
 		 */
 		if (NULL == bd) {
-			dev_dbg(musb->controller, "null BD\n");
+			musb_dbg(musb, "null BD");
 			musb_writel(&tx_ram->tx_complete, 0, 0);
 			continue;
 		}
@@ -1207,7 +1205,7 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
 			if (bd->hw_options & CPPI_OWN_SET)
 				break;
 
-			dev_dbg(musb->controller, "C/TXBD %p n %x b %x off %x opt %x\n",
+			musb_dbg(musb, "C/TXBD %p n %x b %x off %x opt %x",
 					bd, bd->hw_next, bd->hw_bufp,
 					bd->hw_off_len, bd->hw_options);
 
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 39fd958..1374c18 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -461,20 +461,21 @@ static void musb_otg_timer_func(unsigned long data)
 	spin_lock_irqsave(&musb->lock, flags);
 	switch (musb->xceiv->otg->state) {
 	case OTG_STATE_B_WAIT_ACON:
-		dev_dbg(musb->controller, "HNP: b_wait_acon timeout; back to b_peripheral\n");
+		musb_dbg(musb,
+			"HNP: b_wait_acon timeout; back to b_peripheral");
 		musb_g_disconnect(musb);
 		musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
 		musb->is_active = 0;
 		break;
 	case OTG_STATE_A_SUSPEND:
 	case OTG_STATE_A_WAIT_BCON:
-		dev_dbg(musb->controller, "HNP: %s timeout\n",
+		musb_dbg(musb, "HNP: %s timeout",
 			usb_otg_state_string(musb->xceiv->otg->state));
 		musb_platform_set_vbus(musb, 0);
 		musb->xceiv->otg->state = OTG_STATE_A_WAIT_VFALL;
 		break;
 	default:
-		dev_dbg(musb->controller, "HNP: Unhandled mode %s\n",
+		musb_dbg(musb, "HNP: Unhandled mode %s",
 			usb_otg_state_string(musb->xceiv->otg->state));
 	}
 	spin_unlock_irqrestore(&musb->lock, flags);
@@ -489,17 +490,17 @@ void musb_hnp_stop(struct musb *musb)
 	void __iomem	*mbase = musb->mregs;
 	u8	reg;
 
-	dev_dbg(musb->controller, "HNP: stop from %s\n",
+	musb_dbg(musb, "HNP: stop from %s",
 			usb_otg_state_string(musb->xceiv->otg->state));
 
 	switch (musb->xceiv->otg->state) {
 	case OTG_STATE_A_PERIPHERAL:
 		musb_g_disconnect(musb);
-		dev_dbg(musb->controller, "HNP: back to %s\n",
+		musb_dbg(musb, "HNP: back to %s",
 			usb_otg_state_string(musb->xceiv->otg->state));
 		break;
 	case OTG_STATE_B_HOST:
-		dev_dbg(musb->controller, "HNP: Disabling HR\n");
+		musb_dbg(musb, "HNP: Disabling HR");
 		if (hcd)
 			hcd->self.is_b_host = 0;
 		musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
@@ -510,7 +511,7 @@ void musb_hnp_stop(struct musb *musb)
 		/* REVISIT: Start SESSION_REQUEST here? */
 		break;
 	default:
-		dev_dbg(musb->controller, "HNP: Stopping in unknown state %s\n",
+		musb_dbg(musb, "HNP: Stopping in unknown state %s",
 			usb_otg_state_string(musb->xceiv->otg->state));
 	}
 
@@ -541,8 +542,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 {
 	irqreturn_t handled = IRQ_NONE;
 
-	dev_dbg(musb->controller, "<== DevCtl=%02x, int_usb=0x%x\n", devctl,
-		int_usb);
+	musb_dbg(musb, "<== DevCtl=%02x, int_usb=0x%x", devctl, int_usb);
 
 	/* in host mode, the peripheral may issue remote wakeup.
 	 * in peripheral mode, the host may resume the link.
@@ -550,7 +550,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 	 */
 	if (int_usb & MUSB_INTR_RESUME) {
 		handled = IRQ_HANDLED;
-		dev_dbg(musb->controller, "RESUME (%s)\n",
+		musb_dbg(musb, "RESUME (%s)",
 				usb_otg_state_string(musb->xceiv->otg->state));
 
 		if (devctl & MUSB_DEVCTL_HM) {
@@ -619,11 +619,11 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
 		if ((devctl & MUSB_DEVCTL_VBUS) == MUSB_DEVCTL_VBUS
 				&& (devctl & MUSB_DEVCTL_BDEVICE)) {
-			dev_dbg(musb->controller, "SessReq while on B state\n");
+			musb_dbg(musb, "SessReq while on B state");
 			return IRQ_HANDLED;
 		}
 
-		dev_dbg(musb->controller, "SESSION_REQUEST (%s)\n",
+		musb_dbg(musb, "SESSION_REQUEST (%s)",
 			usb_otg_state_string(musb->xceiv->otg->state));
 
 		/* IRQ arrives from ID pin sense or (later, if VBUS power
@@ -714,7 +714,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 	}
 
 	if (int_usb & MUSB_INTR_SUSPEND) {
-		dev_dbg(musb->controller, "SUSPEND (%s) devctl %02x\n",
+		musb_dbg(musb, "SUSPEND (%s) devctl %02x",
 			usb_otg_state_string(musb->xceiv->otg->state), devctl);
 		handled = IRQ_HANDLED;
 
@@ -743,7 +743,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 			musb->is_active = musb->g.b_hnp_enable;
 			if (musb->is_active) {
 				musb->xceiv->otg->state = OTG_STATE_B_WAIT_ACON;
-				dev_dbg(musb->controller, "HNP: Setting timer for b_ase0_brst\n");
+				musb_dbg(musb, "HNP: Setting timer for b_ase0_brst");
 				mod_timer(&musb->otg_timer, jiffies
 					+ msecs_to_jiffies(
 							OTG_TIME_B_ASE0_BRST));
@@ -760,7 +760,7 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 			break;
 		case OTG_STATE_B_HOST:
 			/* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */
-			dev_dbg(musb->controller, "REVISIT: SUSPEND as B_HOST\n");
+			musb_dbg(musb, "REVISIT: SUSPEND as B_HOST");
 			break;
 		default:
 			/* "should not happen" */
@@ -797,14 +797,14 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 		switch (musb->xceiv->otg->state) {
 		case OTG_STATE_B_PERIPHERAL:
 			if (int_usb & MUSB_INTR_SUSPEND) {
-				dev_dbg(musb->controller, "HNP: SUSPEND+CONNECT, now b_host\n");
+				musb_dbg(musb, "HNP: SUSPEND+CONNECT, now b_host");
 				int_usb &= ~MUSB_INTR_SUSPEND;
 				goto b_host;
 			} else
-				dev_dbg(musb->controller, "CONNECT as b_peripheral???\n");
+				musb_dbg(musb, "CONNECT as b_peripheral???");
 			break;
 		case OTG_STATE_B_WAIT_ACON:
-			dev_dbg(musb->controller, "HNP: CONNECT, now b_host\n");
+			musb_dbg(musb, "HNP: CONNECT, now b_host");
 b_host:
 			musb->xceiv->otg->state = OTG_STATE_B_HOST;
 			if (musb->hcd)
@@ -823,12 +823,12 @@ b_host:
 
 		musb_host_poke_root_hub(musb);
 
-		dev_dbg(musb->controller, "CONNECT (%s) devctl %02x\n",
+		musb_dbg(musb, "CONNECT (%s) devctl %02x",
 				usb_otg_state_string(musb->xceiv->otg->state), devctl);
 	}
 
 	if (int_usb & MUSB_INTR_DISCONNECT) {
-		dev_dbg(musb->controller, "DISCONNECT (%s) as %s, devctl %02x\n",
+		musb_dbg(musb, "DISCONNECT (%s) as %s, devctl %02x",
 				usb_otg_state_string(musb->xceiv->otg->state),
 				MUSB_MODE(musb), devctl);
 		handled = IRQ_HANDLED;
@@ -891,7 +891,7 @@ b_host:
 			if (is_host_active(musb))
 				musb_recover_from_babble(musb);
 		} else {
-			dev_dbg(musb->controller, "BUS RESET as %s\n",
+			musb_dbg(musb, "BUS RESET as %s",
 				usb_otg_state_string(musb->xceiv->otg->state));
 			switch (musb->xceiv->otg->state) {
 			case OTG_STATE_A_SUSPEND:
@@ -899,7 +899,7 @@ b_host:
 				/* FALLTHROUGH */
 			case OTG_STATE_A_WAIT_BCON:	/* OPT TD.4.7-900ms */
 				/* never use invalid T(a_wait_bcon) */
-				dev_dbg(musb->controller, "HNP: in %s, %d msec timeout\n",
+				musb_dbg(musb, "HNP: in %s, %d msec timeout",
 					usb_otg_state_string(musb->xceiv->otg->state),
 					TA_WAIT_BCON(musb));
 				mod_timer(&musb->otg_timer, jiffies
@@ -910,7 +910,7 @@ b_host:
 				musb_g_reset(musb);
 				break;
 			case OTG_STATE_B_WAIT_ACON:
-				dev_dbg(musb->controller, "HNP: RESET (%s), to b_peripheral\n",
+				musb_dbg(musb, "HNP: RESET (%s), to b_peripheral",
 					usb_otg_state_string(musb->xceiv->otg->state));
 				musb->xceiv->otg->state = OTG_STATE_B_PERIPHERAL;
 				musb_g_reset(musb);
@@ -922,7 +922,7 @@ b_host:
 				musb_g_reset(musb);
 				break;
 			default:
-				dev_dbg(musb->controller, "Unhandled BUS RESET as %s\n",
+				musb_dbg(musb, "Unhandled BUS RESET as %s",
 					usb_otg_state_string(musb->xceiv->otg->state));
 			}
 		}
@@ -1030,7 +1030,7 @@ void musb_start(struct musb *musb)
 	u8              devctl = musb_readb(regs, MUSB_DEVCTL);
 	u8		power;
 
-	dev_dbg(musb->controller, "<== devctl %02x\n", devctl);
+	musb_dbg(musb, "<== devctl %02x", devctl);
 
 	musb_enable_interrupts(musb);
 	musb_writeb(regs, MUSB_TESTMODE, 0);
@@ -1078,7 +1078,7 @@ void musb_stop(struct musb *musb)
 	/* stop IRQs, timers, ... */
 	musb_platform_disable(musb);
 	musb_generic_disable(musb);
-	dev_dbg(musb->controller, "HDRC disabled\n");
+	musb_dbg(musb, "HDRC disabled");
 
 	/* FIXME
 	 *  - mark host and/or peripheral drivers unusable/inactive
@@ -1414,7 +1414,7 @@ static int ep_config_from_hw(struct musb *musb)
 	void __iomem *mbase = musb->mregs;
 	int ret = 0;
 
-	dev_dbg(musb->controller, "<== static silicon ep config\n");
+	musb_dbg(musb, "<== static silicon ep config");
 
 	/* FIXME pick up ep0 maxpacket size */
 
@@ -1555,8 +1555,7 @@ static int musb_core_init(u16 musb_type, struct musb *musb)
 		hw_ep->tx_reinit = 1;
 
 		if (hw_ep->max_packet_sz_tx) {
-			dev_dbg(musb->controller,
-				"%s: hw_ep %d%s, %smax %d\n",
+			musb_dbg(musb, "%s: hw_ep %d%s, %smax %d",
 				musb_driver_name, i,
 				hw_ep->is_shared_fifo ? "shared" : "tx",
 				hw_ep->tx_double_buffered
@@ -1564,8 +1563,7 @@ static int musb_core_init(u16 musb_type, struct musb *musb)
 				hw_ep->max_packet_sz_tx);
 		}
 		if (hw_ep->max_packet_sz_rx && !hw_ep->is_shared_fifo) {
-			dev_dbg(musb->controller,
-				"%s: hw_ep %d%s, %smax %d\n",
+			musb_dbg(musb, "%s: hw_ep %d%s, %smax %d",
 				musb_driver_name, i,
 				"rx",
 				hw_ep->rx_double_buffered
@@ -1573,7 +1571,7 @@ static int musb_core_init(u16 musb_type, struct musb *musb)
 				hw_ep->max_packet_sz_rx);
 		}
 		if (!(hw_ep->max_packet_sz_tx || hw_ep->max_packet_sz_rx))
-			dev_dbg(musb->controller, "hw_ep %d not configured\n", i);
+			musb_dbg(musb, "hw_ep %d not configured", i);
 	}
 
 	return 0;
@@ -1998,7 +1996,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
 	 * Fail when the board needs a feature that's not enabled.
 	 */
 	if (!plat) {
-		dev_dbg(dev, "no platform_data?\n");
+		dev_err(dev, "no platform_data?\n");
 		status = -ENODEV;
 		goto fail0;
 	}
diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c
index e499b86..f7bad72 100644
--- a/drivers/usb/musb/musb_cppi41.c
+++ b/drivers/usb/musb/musb_cppi41.c
@@ -96,8 +96,8 @@ static void update_rx_toggle(struct cppi41_dma_channel *cppi41_channel)
 	if (!toggle && toggle == cppi41_channel->usb_toggle) {
 		csr |= MUSB_RXCSR_H_DATATOGGLE | MUSB_RXCSR_H_WR_DATATOGGLE;
 		musb_writew(cppi41_channel->hw_ep->regs, MUSB_RXCSR, csr);
-		dev_dbg(cppi41_channel->controller->musb->controller,
-				"Restoring DATA1 toggle.\n");
+		musb_dbg(cppi41_channel->controller->musb,
+				"Restoring DATA1 toggle.");
 	}
 
 	cppi41_channel->usb_toggle = toggle;
@@ -240,7 +240,7 @@ static void cppi41_dma_callback(void *private_data)
 	transferred = cppi41_channel->prog_len - txstate.residue;
 	cppi41_channel->transferred += transferred;
 
-	dev_dbg(musb->controller, "DMA transfer done on hw_ep=%d bytes=%d/%d\n",
+	musb_dbg(musb, "DMA transfer done on hw_ep=%d bytes=%d/%d",
 		hw_ep->epnum, cppi41_channel->transferred,
 		cppi41_channel->total_len);
 
@@ -374,8 +374,8 @@ static bool cppi41_configure_channel(struct dma_channel *channel,
 	struct musb *musb = cppi41_channel->controller->musb;
 	unsigned use_gen_rndis = 0;
 
-	dev_dbg(musb->controller,
-		"configure ep%d/%x packet_sz=%d, mode=%d, dma_addr=0x%llx, len=%d is_tx=%d\n",
+	musb_dbg(musb,
+		"configure ep%d/%x packet_sz=%d, mode=%d, dma_addr=0x%llx, len=%d is_tx=%d",
 		cppi41_channel->port_num, RNDIS_REG(cppi41_channel->port_num),
 		packet_sz, mode, (unsigned long long) dma_addr,
 		len, cppi41_channel->is_tx);
@@ -537,7 +537,7 @@ static int cppi41_dma_channel_abort(struct dma_channel *channel)
 	u16 csr;
 
 	is_tx = cppi41_channel->is_tx;
-	dev_dbg(musb->controller, "abort channel=%d, is_tx=%d\n",
+	musb_dbg(musb, "abort channel=%d, is_tx=%d",
 			cppi41_channel->port_num, is_tx);
 
 	if (cppi41_channel->channel.status == MUSB_DMA_STATUS_FREE)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 152865b..6aa909c 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -168,11 +168,11 @@ __acquires(ep->musb->lock)
 		unmap_dma_buffer(req, musb);
 
 	if (request->status == 0)
-		dev_dbg(musb->controller, "%s done request %p,  %d/%d\n",
+		musb_dbg(musb, "%s done request %p,  %d/",
 				ep->end_point.name, request,
 				req->request.actual, req->request.length);
 	else
-		dev_dbg(musb->controller, "%s request %p, %d/%d fault %d\n",
+		musb_dbg(musb, "%s request %p, %d/%d fault %d",
 				ep->end_point.name, request,
 				req->request.actual, req->request.length,
 				request->status);
@@ -217,8 +217,7 @@ static void nuke(struct musb_ep *ep, const int status)
 		}
 
 		value = c->channel_abort(ep->dma);
-		dev_dbg(musb->controller, "%s: abort DMA --> %d\n",
-				ep->name, value);
+		musb_dbg(musb, "%s: abort DMA --> %d", ep->name, value);
 		c->channel_release(ep->dma);
 		ep->dma = NULL;
 	}
@@ -266,14 +265,14 @@ static void txstate(struct musb *musb, struct musb_request *req)
 
 	/* Check if EP is disabled */
 	if (!musb_ep->desc) {
-		dev_dbg(musb->controller, "ep:%s disabled - ignore request\n",
+		musb_dbg(musb, "ep:%s disabled - ignore request",
 						musb_ep->end_point.name);
 		return;
 	}
 
 	/* we shouldn't get here while DMA is active ... but we do ... */
 	if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) {
-		dev_dbg(musb->controller, "dma pending...\n");
+		musb_dbg(musb, "dma pending...");
 		return;
 	}
 
@@ -285,18 +284,18 @@ static void txstate(struct musb *musb, struct musb_request *req)
 			(int)(request->length - request->actual));
 
 	if (csr & MUSB_TXCSR_TXPKTRDY) {
-		dev_dbg(musb->controller, "%s old packet still ready , txcsr %03x\n",
+		musb_dbg(musb, "%s old packet still ready , txcsr %03x",
 				musb_ep->end_point.name, csr);
 		return;
 	}
 
 	if (csr & MUSB_TXCSR_P_SENDSTALL) {
-		dev_dbg(musb->controller, "%s stalling, txcsr %03x\n",
+		musb_dbg(musb, "%s stalling, txcsr %03x",
 				musb_ep->end_point.name, csr);
 		return;
 	}
 
-	dev_dbg(musb->controller, "hw_ep%d, maxpacket %d, fifo count %d, txcsr %03x\n",
+	musb_dbg(musb, "hw_ep%d, maxpacket %d, fifo count %d, txcsr %03x",
 			epnum, musb_ep->packet_sz, fifo_count,
 			csr);
 
@@ -424,7 +423,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
 	}
 
 	/* host may already have the data when this message shows... */
-	dev_dbg(musb->controller, "%s TX/IN %s len %d/%d, txcsr %04x, fifo %d/%d\n",
+	musb_dbg(musb, "%s TX/IN %s len %d/%d, txcsr %04x, fifo %d/%d",
 			musb_ep->end_point.name, use_dma ? "dma" : "pio",
 			request->actual, request->length,
 			musb_readw(epio, MUSB_TXCSR),
@@ -451,7 +450,7 @@ void musb_g_tx(struct musb *musb, u8 epnum)
 	request = &req->request;
 
 	csr = musb_readw(epio, MUSB_TXCSR);
-	dev_dbg(musb->controller, "<== %s, txcsr %04x\n", musb_ep->end_point.name, csr);
+	musb_dbg(musb, "<== %s, txcsr %04x", musb_ep->end_point.name, csr);
 
 	dma = is_dma_capable() ? musb_ep->dma : NULL;
 
@@ -480,7 +479,7 @@ void musb_g_tx(struct musb *musb, u8 epnum)
 		 * SHOULD NOT HAPPEN... has with CPPI though, after
 		 * changing SENDSTALL (and other cases); harmless?
 		 */
-		dev_dbg(musb->controller, "%s dma still busy?\n", musb_ep->end_point.name);
+		musb_dbg(musb, "%s dma still busy?", musb_ep->end_point.name);
 		return;
 	}
 
@@ -497,7 +496,7 @@ void musb_g_tx(struct musb *musb, u8 epnum)
 			/* Ensure writebuffer is empty. */
 			csr = musb_readw(epio, MUSB_TXCSR);
 			request->actual += musb_ep->dma->actual_len;
-			dev_dbg(musb->controller, "TXCSR%d %04x, DMA off, len %zu, req %p\n",
+			musb_dbg(musb, "TXCSR%d %04x, DMA off, len %zu, req %p",
 				epnum, csr, musb_ep->dma->actual_len, request);
 		}
 
@@ -524,7 +523,6 @@ void musb_g_tx(struct musb *musb, u8 epnum)
 			if (csr & MUSB_TXCSR_TXPKTRDY)
 				return;
 
-			dev_dbg(musb->controller, "sending zero pkt\n");
 			musb_writew(epio, MUSB_TXCSR, MUSB_TXCSR_MODE
 					| MUSB_TXCSR_TXPKTRDY);
 			request->zero = 0;
@@ -543,7 +541,7 @@ void musb_g_tx(struct musb *musb, u8 epnum)
 			musb_ep_select(mbase, epnum);
 			req = musb_ep->desc ? next_request(musb_ep) : NULL;
 			if (!req) {
-				dev_dbg(musb->controller, "%s idle now\n",
+				musb_dbg(musb, "%s idle now",
 					musb_ep->end_point.name);
 				return;
 			}
@@ -579,19 +577,19 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 
 	/* Check if EP is disabled */
 	if (!musb_ep->desc) {
-		dev_dbg(musb->controller, "ep:%s disabled - ignore request\n",
+		musb_dbg(musb, "ep:%s disabled - ignore request",
 						musb_ep->end_point.name);
 		return;
 	}
 
 	/* We shouldn't get here while DMA is active, but we do... */
 	if (dma_channel_status(musb_ep->dma) == MUSB_DMA_STATUS_BUSY) {
-		dev_dbg(musb->controller, "DMA pending...\n");
+		musb_dbg(musb, "DMA pending...");
 		return;
 	}
 
 	if (csr & MUSB_RXCSR_P_SENDSTALL) {
-		dev_dbg(musb->controller, "%s stalling, RXCSR %04x\n",
+		musb_dbg(musb, "%s stalling, RXCSR %04x",
 		    musb_ep->end_point.name, csr);
 		return;
 	}
@@ -766,7 +764,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 			}
 
 			len = request->length - request->actual;
-			dev_dbg(musb->controller, "%s OUT/RX pio fifo %d/%d, maxpacket %d\n",
+			musb_dbg(musb, "%s OUT/RX pio fifo %d/%d, maxpacket %d",
 					musb_ep->end_point.name,
 					fifo_count, len,
 					musb_ep->packet_sz);
@@ -854,7 +852,7 @@ void musb_g_rx(struct musb *musb, u8 epnum)
 	csr = musb_readw(epio, MUSB_RXCSR);
 	dma = is_dma_capable() ? musb_ep->dma : NULL;
 
-	dev_dbg(musb->controller, "<== %s, rxcsr %04x%s %p\n", musb_ep->end_point.name,
+	musb_dbg(musb, "<== %s, rxcsr %04x%s %p", musb_ep->end_point.name,
 			csr, dma ? " (dma)" : "", request);
 
 	if (csr & MUSB_RXCSR_P_SENTSTALL) {
@@ -869,18 +867,18 @@ void musb_g_rx(struct musb *musb, u8 epnum)
 		csr &= ~MUSB_RXCSR_P_OVERRUN;
 		musb_writew(epio, MUSB_RXCSR, csr);
 
-		dev_dbg(musb->controller, "%s iso overrun on %p\n", musb_ep->name, request);
+		musb_dbg(musb, "%s iso overrun on %p", musb_ep->name, request);
 		if (request->status == -EINPROGRESS)
 			request->status = -EOVERFLOW;
 	}
 	if (csr & MUSB_RXCSR_INCOMPRX) {
 		/* REVISIT not necessarily an error */
-		dev_dbg(musb->controller, "%s, incomprx\n", musb_ep->end_point.name);
+		musb_dbg(musb, "%s, incomprx", musb_ep->end_point.name);
 	}
 
 	if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {
 		/* "should not happen"; likely RXPKTRDY pending for DMA */
-		dev_dbg(musb->controller, "%s busy, csr %04x\n",
+		musb_dbg(musb, "%s busy, csr %04x",
 			musb_ep->end_point.name, csr);
 		return;
 	}
@@ -894,7 +892,7 @@ void musb_g_rx(struct musb *musb, u8 epnum)
 
 		request->actual += musb_ep->dma->actual_len;
 
-		dev_dbg(musb->controller, "RXCSR%d %04x, dma off, %04x, len %zu, req %p\n",
+		musb_dbg(musb, "RXCSR%d %04x, dma off, %04x, len %zu, req %p",
 			epnum, csr,
 			musb_readw(epio, MUSB_RXCSR),
 			musb_ep->dma->actual_len, request);
@@ -996,7 +994,7 @@ static int musb_gadget_enable(struct usb_ep *ep,
 			ok = musb->hb_iso_rx;
 
 		if (!ok) {
-			dev_dbg(musb->controller, "no support for high bandwidth ISO\n");
+			musb_dbg(musb, "no support for high bandwidth ISO");
 			goto fail;
 		}
 		musb_ep->hb_mult = (tmp >> 11) & 3;
@@ -1019,7 +1017,7 @@ static int musb_gadget_enable(struct usb_ep *ep,
 			goto fail;
 
 		if (tmp > hw_ep->max_packet_sz_tx) {
-			dev_dbg(musb->controller, "packet size beyond hardware FIFO size\n");
+			musb_dbg(musb, "packet size beyond hardware FIFO size");
 			goto fail;
 		}
 
@@ -1062,7 +1060,7 @@ static int musb_gadget_enable(struct usb_ep *ep,
 			goto fail;
 
 		if (tmp > hw_ep->max_packet_sz_rx) {
-			dev_dbg(musb->controller, "packet size beyond hardware FIFO size\n");
+			musb_dbg(musb, "packet size beyond hardware FIFO size");
 			goto fail;
 		}
 
@@ -1174,7 +1172,7 @@ static int musb_gadget_disable(struct usb_ep *ep)
 
 	spin_unlock_irqrestore(&(musb->lock), flags);
 
-	dev_dbg(musb->controller, "%s\n", musb_ep->end_point.name);
+	musb_dbg(musb, "%s", musb_ep->end_point.name);
 
 	return status;
 }
@@ -1186,14 +1184,11 @@ static int musb_gadget_disable(struct usb_ep *ep)
 struct usb_request *musb_alloc_request(struct usb_ep *ep, gfp_t gfp_flags)
 {
 	struct musb_ep		*musb_ep = to_musb_ep(ep);
-	struct musb		*musb = musb_ep->musb;
 	struct musb_request	*request = NULL;
 
 	request = kzalloc(sizeof *request, gfp_flags);
-	if (!request) {
-		dev_dbg(musb->controller, "not enough memory\n");
+	if (!request)
 		return NULL;
-	}
 
 	request->request.dma = DMA_ADDR_INVALID;
 	request->epnum = musb_ep->current_epnum;
@@ -1225,7 +1220,7 @@ struct free_record {
  */
 void musb_ep_restart(struct musb *musb, struct musb_request *req)
 {
-	dev_dbg(musb->controller, "<== %s request %p len %u on hw_ep%d\n",
+	musb_dbg(musb, "<== %s request %p len %u on hw_ep%d",
 		req->tx ? "TX/IN" : "RX/OUT",
 		&req->request, req->request.length, req->epnum);
 
@@ -1259,7 +1254,7 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
 	if (request->ep != musb_ep)
 		return -EINVAL;
 
-	dev_dbg(musb->controller, "<== to %s request=%p\n", ep->name, req);
+	musb_dbg(musb, "<== to %s request=%p", ep->name, req);
 
 	/* request is mine now... */
 	request->request.actual = 0;
@@ -1273,7 +1268,7 @@ static int musb_gadget_queue(struct usb_ep *ep, struct usb_request *req,
 
 	/* don't queue if the ep is down */
 	if (!musb_ep->desc) {
-		dev_dbg(musb->controller, "req %p queued to %s while ep %s\n",
+		musb_dbg(musb, "req %p queued to %s while ep %s",
 				req, ep->name, "disabled");
 		status = -ESHUTDOWN;
 		unmap_dma_buffer(request, musb);
@@ -1311,7 +1306,8 @@ static int musb_gadget_dequeue(struct usb_ep *ep, struct usb_request *request)
 			break;
 	}
 	if (r != req) {
-		dev_dbg(musb->controller, "request %p not queued to %s\n", request, ep->name);
+		dev_err(musb->controller, "request %p not queued to %s\n",
+				request, ep->name);
 		status = -EINVAL;
 		goto done;
 	}
@@ -1377,7 +1373,7 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value)
 	request = next_request(musb_ep);
 	if (value) {
 		if (request) {
-			dev_dbg(musb->controller, "request in progress, cannot halt %s\n",
+			musb_dbg(musb, "request in progress, cannot halt %s",
 			    ep->name);
 			status = -EAGAIN;
 			goto done;
@@ -1386,7 +1382,8 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value)
 		if (musb_ep->is_in) {
 			csr = musb_readw(epio, MUSB_TXCSR);
 			if (csr & MUSB_TXCSR_FIFONOTEMPTY) {
-				dev_dbg(musb->controller, "FIFO busy, cannot halt %s\n", ep->name);
+				musb_dbg(musb, "FIFO busy, cannot halt %s",
+						ep->name);
 				status = -EAGAIN;
 				goto done;
 			}
@@ -1395,7 +1392,7 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value)
 		musb_ep->wedged = 0;
 
 	/* set/clear the stall and toggle bits */
-	dev_dbg(musb->controller, "%s: %s stall\n", ep->name, value ? "set" : "clear");
+	musb_dbg(musb, "%s: %s stall", ep->name, value ? "set" : "clear");
 	if (musb_ep->is_in) {
 		csr = musb_readw(epio, MUSB_TXCSR);
 		csr |= MUSB_TXCSR_P_WZC_BITS
@@ -1422,7 +1419,7 @@ static int musb_gadget_set_halt(struct usb_ep *ep, int value)
 
 	/* maybe start the first request in the queue */
 	if (!musb_ep->busy && !value && request) {
-		dev_dbg(musb->controller, "restarting the request\n");
+		musb_dbg(musb, "restarting the request");
 		musb_ep_restart(musb, request);
 	}
 
@@ -1558,7 +1555,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget)
 	case OTG_STATE_B_IDLE:
 		/* Start SRP ... OTG not required. */
 		devctl = musb_readb(mregs, MUSB_DEVCTL);
-		dev_dbg(musb->controller, "Sending SRP: devctl: %02x\n", devctl);
+		musb_dbg(musb, "Sending SRP: devctl: %02x", devctl);
 		devctl |= MUSB_DEVCTL_SESSION;
 		musb_writeb(mregs, MUSB_DEVCTL, devctl);
 		devctl = musb_readb(mregs, MUSB_DEVCTL);
@@ -1586,7 +1583,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget)
 		status = 0;
 		goto done;
 	default:
-		dev_dbg(musb->controller, "Unhandled wake: %s\n",
+		musb_dbg(musb, "Unhandled wake: %s",
 			usb_otg_state_string(musb->xceiv->otg->state));
 		goto done;
 	}
@@ -1596,7 +1593,7 @@ static int musb_gadget_wakeup(struct usb_gadget *gadget)
 	power = musb_readb(mregs, MUSB_POWER);
 	power |= MUSB_POWER_RESUME;
 	musb_writeb(mregs, MUSB_POWER, power);
-	dev_dbg(musb->controller, "issue wakeup\n");
+	musb_dbg(musb, "issue wakeup");
 
 	/* FIXME do this next chunk in a timer callback, no udelay */
 	mdelay(2);
@@ -1628,7 +1625,7 @@ static void musb_pullup(struct musb *musb, int is_on)
 
 	/* FIXME if on, HdrcStart; if off, HdrcStop */
 
-	dev_dbg(musb->controller, "gadget D+ pullup %s\n",
+	musb_dbg(musb, "gadget D+ pullup %s",
 		is_on ? "on" : "off");
 	musb_writeb(musb->mregs, MUSB_POWER, power);
 }
@@ -1636,7 +1633,7 @@ static void musb_pullup(struct musb *musb, int is_on)
 #if 0
 static int musb_gadget_vbus_session(struct usb_gadget *gadget, int is_active)
 {
-	dev_dbg(musb->controller, "<= %s =>\n", __func__);
+	musb_dbg(musb, "<= %s =>\n", __func__);
 
 	/*
 	 * FIXME iff driver's softconnect flag is set (as it is during probe,
@@ -1999,7 +1996,7 @@ void musb_g_suspend(struct musb *musb)
 	u8	devctl;
 
 	devctl = musb_readb(musb->mregs, MUSB_DEVCTL);
-	dev_dbg(musb->controller, "devctl %02x\n", devctl);
+	musb_dbg(musb, "musb_g_suspend: devctl %02x", devctl);
 
 	switch (musb->xceiv->otg->state) {
 	case OTG_STATE_B_IDLE:
@@ -2018,7 +2015,7 @@ void musb_g_suspend(struct musb *musb)
 		/* REVISIT if B_HOST, clear DEVCTL.HOSTREQ;
 		 * A_PERIPHERAL may need care too
 		 */
-		WARNING("unhandled SUSPEND transition (%s)\n",
+		WARNING("unhandled SUSPEND transition (%s)",
 				usb_otg_state_string(musb->xceiv->otg->state));
 	}
 }
@@ -2035,7 +2032,7 @@ void musb_g_disconnect(struct musb *musb)
 	void __iomem	*mregs = musb->mregs;
 	u8	devctl = musb_readb(mregs, MUSB_DEVCTL);
 
-	dev_dbg(musb->controller, "devctl %02x\n", devctl);
+	musb_dbg(musb, "musb_g_disconnect: devctl %02x", devctl);
 
 	/* clear HR */
 	musb_writeb(mregs, MUSB_DEVCTL, devctl & MUSB_DEVCTL_SESSION);
@@ -2052,7 +2049,7 @@ void musb_g_disconnect(struct musb *musb)
 
 	switch (musb->xceiv->otg->state) {
 	default:
-		dev_dbg(musb->controller, "Unhandled disconnect %s, setting a_idle\n",
+		musb_dbg(musb, "Unhandled disconnect %s, setting a_idle",
 			usb_otg_state_string(musb->xceiv->otg->state));
 		musb->xceiv->otg->state = OTG_STATE_A_IDLE;
 		MUSB_HST_MODE(musb);
@@ -2082,7 +2079,7 @@ __acquires(musb->lock)
 	u8		devctl = musb_readb(mbase, MUSB_DEVCTL);
 	u8		power;
 
-	dev_dbg(musb->controller, "<== %s driver '%s'\n",
+	musb_dbg(musb, "<== %s driver '%s'",
 			(devctl & MUSB_DEVCTL_BDEVICE)
 				? "B-Device" : "A-Device",
 			musb->gadget_driver
diff --git a/drivers/usb/musb/musb_gadget_ep0.c b/drivers/usb/musb/musb_gadget_ep0.c
index 10d30af..844a309 100644
--- a/drivers/usb/musb/musb_gadget_ep0.c
+++ b/drivers/usb/musb/musb_gadget_ep0.c
@@ -206,7 +206,7 @@ static inline void musb_try_b_hnp_enable(struct musb *musb)
 	void __iomem	*mbase = musb->mregs;
 	u8		devctl;
 
-	dev_dbg(musb->controller, "HNP: Setting HR\n");
+	musb_dbg(musb, "HNP: Setting HR");
 	devctl = musb_readb(mbase, MUSB_DEVCTL);
 	musb_writeb(mbase, MUSB_DEVCTL, devctl | MUSB_DEVCTL_HR);
 }
@@ -303,7 +303,7 @@ __acquires(musb->lock)
 				/* Maybe start the first request in the queue */
 				request = next_request(musb_ep);
 				if (!musb_ep->busy && request) {
-					dev_dbg(musb->controller, "restarting the request\n");
+					musb_dbg(musb, "restarting the request");
 					musb_ep_restart(musb, request);
 				}
 
@@ -550,7 +550,7 @@ static void ep0_txstate(struct musb *musb)
 
 	if (!req) {
 		/* WARN_ON(1); */
-		dev_dbg(musb->controller, "odd; csr0 %04x\n", musb_readw(regs, MUSB_CSR0));
+		musb_dbg(musb, "odd; csr0 %04x", musb_readw(regs, MUSB_CSR0));
 		return;
 	}
 
@@ -607,7 +607,7 @@ musb_read_setup(struct musb *musb, struct usb_ctrlrequest *req)
 	/* NOTE:  earlier 2.6 versions changed setup packets to host
 	 * order, but now USB packets always stay in USB byte order.
 	 */
-	dev_dbg(musb->controller, "SETUP req%02x.%02x v%04x i%04x l%d\n",
+	musb_dbg(musb, "SETUP req%02x.%02x v%04x i%04x l%d",
 		req->bRequestType,
 		req->bRequest,
 		le16_to_cpu(req->wValue),
@@ -675,7 +675,7 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb)
 	csr = musb_readw(regs, MUSB_CSR0);
 	len = musb_readb(regs, MUSB_COUNT0);
 
-	dev_dbg(musb->controller, "csr %04x, count %d, ep0stage %s\n",
+	musb_dbg(musb, "csr %04x, count %d, ep0stage %s",
 			csr, len, decode_ep0stage(musb->ep0_state));
 
 	if (csr & MUSB_CSR0_P_DATAEND) {
@@ -752,7 +752,7 @@ irqreturn_t musb_g_ep0_irq(struct musb *musb)
 
 		/* enter test mode if needed (exit by reset) */
 		else if (musb->test_mode) {
-			dev_dbg(musb->controller, "entering TESTMODE\n");
+			musb_dbg(musb, "entering TESTMODE");
 
 			if (MUSB_TEST_PACKET == musb->test_mode_nr)
 				musb_load_testpacket(musb);
@@ -864,7 +864,7 @@ setup:
 				break;
 			}
 
-			dev_dbg(musb->controller, "handled %d, csr %04x, ep0stage %s\n",
+			musb_dbg(musb, "handled %d, csr %04x, ep0stage %s",
 				handled, csr,
 				decode_ep0stage(musb->ep0_state));
 
@@ -881,7 +881,7 @@ setup:
 			if (handled < 0) {
 				musb_ep_select(mbase, 0);
 stall:
-				dev_dbg(musb->controller, "stall (%d)\n", handled);
+				musb_dbg(musb, "stall (%d)", handled);
 				musb->ackpend |= MUSB_CSR0_P_SENDSTALL;
 				musb->ep0_state = MUSB_EP0_STAGE_IDLE;
 finish:
@@ -961,7 +961,7 @@ musb_g_ep0_queue(struct usb_ep *e, struct usb_request *r, gfp_t gfp_flags)
 		status = 0;
 		break;
 	default:
-		dev_dbg(musb->controller, "ep0 request queued in state %d\n",
+		musb_dbg(musb, "ep0 request queued in state %d",
 				musb->ep0_state);
 		status = -EINVAL;
 		goto cleanup;
@@ -970,7 +970,7 @@ musb_g_ep0_queue(struct usb_ep *e, struct usb_request *r, gfp_t gfp_flags)
 	/* add request to the list */
 	list_add_tail(&req->list, &ep->req_list);
 
-	dev_dbg(musb->controller, "queue to %s (%s), length=%d\n",
+	musb_dbg(musb, "queue to %s (%s), length=%d",
 			ep->name, ep->is_in ? "IN/TX" : "OUT/RX",
 			req->request.length);
 
@@ -1063,7 +1063,7 @@ static int musb_g_ep0_halt(struct usb_ep *e, int value)
 		musb->ackpend = 0;
 		break;
 	default:
-		dev_dbg(musb->controller, "ep0 can't halt in state %d\n", musb->ep0_state);
+		musb_dbg(musb, "ep0 can't halt in state %d", musb->ep0_state);
 		status = -EINVAL;
 	}
 
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 2f8ad7f..9496f55 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -131,7 +131,7 @@ static void musb_h_tx_flush_fifo(struct musb_hw_ep *ep)
 		 * I found using a usb-ethernet device and running iperf
 		 * (client on AM335x) has very high chance to trigger it.
 		 *
-		 * Better to turn on dev_dbg() in musb_cleanup_urb() with
+		 * Better to turn on musb_dbg() in musb_cleanup_urb() with
 		 * CPPI enabled to see the issue when aborting the tx channel.
 		 */
 		if (dev_WARN_ONCE(musb->controller, retries-- < 1,
@@ -254,7 +254,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh)
 		len = urb->transfer_buffer_length - urb->actual_length;
 	}
 
-	dev_dbg(musb->controller, "qh %p urb %p dev%d ep%d%s%s, hw_ep %d, %p/%d\n",
+	musb_dbg(musb, "qh %p urb %p dev%d ep%d%s%s, hw_ep %d, %p/%d",
 			qh, urb, address, qh->epnum,
 			is_in ? "in" : "out",
 			({char *s; switch (qh->type) {
@@ -277,7 +277,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh)
 	switch (qh->type) {
 	case USB_ENDPOINT_XFER_ISOC:
 	case USB_ENDPOINT_XFER_INT:
-		dev_dbg(musb->controller, "check whether there's still time for periodic Tx\n");
+		musb_dbg(musb, "check whether there's still time for periodic Tx");
 		frame = musb_readw(mbase, MUSB_FRAME);
 		/* FIXME this doesn't implement that scheduling policy ...
 		 * or handle framecounter wrapping
@@ -291,7 +291,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh)
 		} else {
 			qh->frame = urb->start_frame;
 			/* enable SOF interrupt so we can count down */
-			dev_dbg(musb->controller, "SOF for %d\n", epnum);
+			musb_dbg(musb, "SOF for %d", epnum);
 #if 1 /* ifndef	CONFIG_ARCH_DAVINCI */
 			musb_writeb(mbase, MUSB_INTRUSBE, 0xff);
 #endif
@@ -299,7 +299,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh)
 		break;
 	default:
 start:
-		dev_dbg(musb->controller, "Start TX%d %s\n", epnum,
+		musb_dbg(musb, "Start TX%d %s", epnum,
 			hw_ep->tx_channel ? "dma" : "pio");
 
 		if (!hw_ep->tx_channel)
@@ -314,8 +314,7 @@ static void musb_giveback(struct musb *musb, struct urb *urb, int status)
 __releases(musb->lock)
 __acquires(musb->lock)
 {
-	dev_dbg(musb->controller,
-			"complete %p %pF (%d), dev%d ep%d%s, %d/%d\n",
+	musb_dbg(musb, "complete %p %pF (%d), dev%d ep%d%s, %d/%d",
 			urb, urb->complete, status,
 			usb_pipedevice(urb->pipe),
 			usb_pipeendpoint(urb->pipe),
@@ -435,7 +434,7 @@ static void musb_advance_schedule(struct musb *musb, struct urb *urb,
 	}
 
 	if (qh != NULL && qh->is_ready) {
-		dev_dbg(musb->controller, "... next ep%d %cX urb %p\n",
+		musb_dbg(musb, "... next ep%d %cX urb %p",
 		    hw_ep->epnum, is_in ? 'R' : 'T', next_urb(qh));
 		musb_start_urb(musb, is_in, qh);
 	}
@@ -480,7 +479,7 @@ musb_host_packet_rx(struct musb *musb, struct urb *urb, u8 epnum, u8 iso_err)
 
 	/* musb_ep_select(mbase, epnum); */
 	rx_count = musb_readw(epio, MUSB_RXCOUNT);
-	dev_dbg(musb->controller, "RX%d count %d, buffer %p len %d/%d\n", epnum, rx_count,
+	musb_dbg(musb, "RX%d count %d, buffer %p len %d/%d", epnum, rx_count,
 			urb->transfer_buffer, qh->offset,
 			urb->transfer_buffer_length);
 
@@ -502,7 +501,7 @@ musb_host_packet_rx(struct musb *musb, struct urb *urb, u8 epnum, u8 iso_err)
 				status = -EOVERFLOW;
 				urb->error_count++;
 			}
-			dev_dbg(musb->controller, "** OVERFLOW %d into %d\n", rx_count, length);
+			musb_dbg(musb, "OVERFLOW %d into %d", rx_count, length);
 			do_flush = 1;
 		} else
 			length = rx_count;
@@ -520,7 +519,7 @@ musb_host_packet_rx(struct musb *musb, struct urb *urb, u8 epnum, u8 iso_err)
 		if (rx_count > length) {
 			if (urb->status == -EINPROGRESS)
 				urb->status = -EOVERFLOW;
-			dev_dbg(musb->controller, "** OVERFLOW %d into %d\n", rx_count, length);
+			musb_dbg(musb, "OVERFLOW %d into %d", rx_count, length);
 			do_flush = 1;
 		} else
 			length = rx_count;
@@ -753,8 +752,8 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
 	u8			use_dma = 1;
 	u16			csr;
 
-	dev_dbg(musb->controller, "%s hw%d urb %p spd%d dev%d ep%d%s "
-				"h_addr%02x h_port%02x bytes %d\n",
+	musb_dbg(musb, "%s hw%d urb %p spd%d dev%d ep%d%s "
+				"h_addr%02x h_port%02x bytes %d",
 			is_out ? "-->" : "<--",
 			epnum, urb, urb->dev->speed,
 			qh->addr_reg, qh->epnum, is_out ? "out" : "in",
@@ -972,7 +971,7 @@ finish:
 		}
 
 		csr |= MUSB_RXCSR_H_REQPKT;
-		dev_dbg(musb->controller, "RXCSR%d := %04x\n", epnum, csr);
+		musb_dbg(musb, "RXCSR%d := %04x", epnum, csr);
 		musb_writew(hw_ep->regs, MUSB_RXCSR, csr);
 		csr = musb_readw(hw_ep->regs, MUSB_RXCSR);
 	}
@@ -1082,15 +1081,15 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb)
 		request = (struct usb_ctrlrequest *) urb->setup_packet;
 
 		if (!request->wLength) {
-			dev_dbg(musb->controller, "start no-DATA\n");
+			musb_dbg(musb, "start no-DATA");
 			break;
 		} else if (request->bRequestType & USB_DIR_IN) {
-			dev_dbg(musb->controller, "start IN-DATA\n");
+			musb_dbg(musb, "start IN-DATA");
 			musb->ep0_stage = MUSB_EP0_IN;
 			more = true;
 			break;
 		} else {
-			dev_dbg(musb->controller, "start OUT-DATA\n");
+			musb_dbg(musb, "start OUT-DATA");
 			musb->ep0_stage = MUSB_EP0_OUT;
 			more = true;
 		}
@@ -1102,7 +1101,7 @@ static bool musb_h_ep0_continue(struct musb *musb, u16 len, struct urb *urb)
 		if (fifo_count) {
 			fifo_dest = (u8 *) (urb->transfer_buffer
 					+ urb->actual_length);
-			dev_dbg(musb->controller, "Sending %d byte%s to ep0 fifo %p\n",
+			musb_dbg(musb, "Sending %d byte%s to ep0 fifo %p",
 					fifo_count,
 					(fifo_count == 1) ? "" : "s",
 					fifo_dest);
@@ -1147,7 +1146,7 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb)
 			? musb_readb(epio, MUSB_COUNT0)
 			: 0;
 
-	dev_dbg(musb->controller, "<== csr0 %04x, qh %p, count %d, urb %p, stage %d\n",
+	musb_dbg(musb, "<== csr0 %04x, qh %p, count %d, urb %p, stage %d",
 		csr, qh, len, urb, musb->ep0_stage);
 
 	/* if we just did status stage, we are done */
@@ -1158,15 +1157,15 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb)
 
 	/* prepare status */
 	if (csr & MUSB_CSR0_H_RXSTALL) {
-		dev_dbg(musb->controller, "STALLING ENDPOINT\n");
+		musb_dbg(musb, "STALLING ENDPOINT");
 		status = -EPIPE;
 
 	} else if (csr & MUSB_CSR0_H_ERROR) {
-		dev_dbg(musb->controller, "no response, csr0 %04x\n", csr);
+		musb_dbg(musb, "no response, csr0 %04x", csr);
 		status = -EPROTO;
 
 	} else if (csr & MUSB_CSR0_H_NAKTIMEOUT) {
-		dev_dbg(musb->controller, "control NAK timeout\n");
+		musb_dbg(musb, "control NAK timeout");
 
 		/* NOTE:  this code path would be a good place to PAUSE a
 		 * control transfer, if another one is queued, so that
@@ -1181,7 +1180,7 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb)
 	}
 
 	if (status) {
-		dev_dbg(musb->controller, "aborting\n");
+		musb_dbg(musb, "aborting");
 		retval = IRQ_HANDLED;
 		if (urb)
 			urb->status = status;
@@ -1234,7 +1233,7 @@ irqreturn_t musb_h_ep0_irq(struct musb *musb)
 			/* flag status stage */
 			musb->ep0_stage = MUSB_EP0_STATUS;
 
-			dev_dbg(musb->controller, "ep0 STATUS, csr %04x\n", csr);
+			musb_dbg(musb, "ep0 STATUS, csr %04x", csr);
 
 		}
 		musb_writew(epio, MUSB_CSR0, csr);
@@ -1288,38 +1287,36 @@ void musb_host_tx(struct musb *musb, u8 epnum)
 
 	/* with CPPI, DMA sometimes triggers "extra" irqs */
 	if (!urb) {
-		dev_dbg(musb->controller, "extra TX%d ready, csr %04x\n", epnum, tx_csr);
+		musb_dbg(musb, "extra TX%d ready, csr %04x", epnum, tx_csr);
 		return;
 	}
 
 	pipe = urb->pipe;
 	dma = is_dma_capable() ? hw_ep->tx_channel : NULL;
-	dev_dbg(musb->controller, "OUT/TX%d end, csr %04x%s\n", epnum, tx_csr,
+	musb_dbg(musb, "OUT/TX%d end, csr %04x%s", epnum, tx_csr,
 			dma ? ", dma" : "");
 
 	/* check for errors */
 	if (tx_csr & MUSB_TXCSR_H_RXSTALL) {
 		/* dma was disabled, fifo flushed */
-		dev_dbg(musb->controller, "TX end %d stall\n", epnum);
+		musb_dbg(musb, "TX end %d stall", epnum);
 
 		/* stall; record URB status */
 		status = -EPIPE;
 
 	} else if (tx_csr & MUSB_TXCSR_H_ERROR) {
 		/* (NON-ISO) dma was disabled, fifo flushed */
-		dev_dbg(musb->controller, "TX 3strikes on ep=%d\n", epnum);
+		musb_dbg(musb, "TX 3strikes on ep=%d", epnum);
 
 		status = -ETIMEDOUT;
 
 	} else if (tx_csr & MUSB_TXCSR_H_NAKTIMEOUT) {
 		if (USB_ENDPOINT_XFER_BULK == qh->type && qh->mux == 1
 				&& !list_is_singular(&musb->out_bulk)) {
-			dev_dbg(musb->controller,
-				"NAK timeout on TX%d ep\n", epnum);
+			musb_dbg(musb, "NAK timeout on TX%d ep", epnum);
 			musb_bulk_nak_timeout(musb, hw_ep, 0);
 		} else {
-			dev_dbg(musb->controller,
-				"TX end=%d device not responding\n", epnum);
+			musb_dbg(musb, "TX ep%d device not responding", epnum);
 			/* NOTE:  this code path would be a good place to PAUSE a
 			 * transfer, if there's some other (nonperiodic) tx urb
 			 * that could use this fifo.  (dma complicates it...)
@@ -1365,7 +1362,7 @@ done:
 
 	/* second cppi case */
 	if (dma_channel_status(dma) == MUSB_DMA_STATUS_BUSY) {
-		dev_dbg(musb->controller, "extra TX%d ready, csr %04x\n", epnum, tx_csr);
+		musb_dbg(musb, "extra TX%d ready, csr %04x", epnum, tx_csr);
 		return;
 	}
 
@@ -1424,8 +1421,9 @@ done:
 		 * FIFO mode too...
 		 */
 		if (tx_csr & (MUSB_TXCSR_FIFONOTEMPTY | MUSB_TXCSR_TXPKTRDY)) {
-			dev_dbg(musb->controller, "DMA complete but packet still in FIFO, "
-			    "CSR %04x\n", tx_csr);
+			musb_dbg(musb,
+				"DMA complete but FIFO not empty, CSR %04x",
+				tx_csr);
 			return;
 		}
 	}
@@ -1491,7 +1489,7 @@ done:
 			return;
 		}
 	} else	if (tx_csr & MUSB_TXCSR_DMAENAB) {
-		dev_dbg(musb->controller, "not complete, but DMA enabled?\n");
+		musb_dbg(musb, "not complete, but DMA enabled?");
 		return;
 	}
 
@@ -1720,7 +1718,7 @@ static int musb_rx_dma_in_inventra_cppi41(struct dma_controller *dma,
 				d_status = -EOVERFLOW;
 				urb->error_count++;
 			}
-			dev_dbg(musb->controller, "** OVERFLOW %d into %d\n",
+			musb_dbg(musb, "** OVERFLOW %d into %d",
 				rx_count, d->length);
 
 			length = d->length;
@@ -1844,28 +1842,28 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 		 * usbtest #11 (unlinks) triggers it regularly, sometimes
 		 * with fifo full.  (Only with DMA??)
 		 */
-		dev_dbg(musb->controller, "BOGUS RX%d ready, csr %04x, count %d\n", epnum, val,
-			musb_readw(epio, MUSB_RXCOUNT));
+		musb_dbg(musb, "BOGUS RX%d ready, csr %04x, count %d",
+			epnum, val, musb_readw(epio, MUSB_RXCOUNT));
 		musb_h_flush_rxfifo(hw_ep, MUSB_RXCSR_CLRDATATOG);
 		return;
 	}
 
 	pipe = urb->pipe;
 
-	dev_dbg(musb->controller, "<== hw %d rxcsr %04x, urb actual %d (+dma %zu)\n",
+	musb_dbg(musb, "<== hw %d rxcsr %04x, urb actual %d (+dma %zu)",
 		epnum, rx_csr, urb->actual_length,
 		dma ? dma->actual_len : 0);
 
 	/* check for errors, concurrent stall & unlink is not really
 	 * handled yet! */
 	if (rx_csr & MUSB_RXCSR_H_RXSTALL) {
-		dev_dbg(musb->controller, "RX end %d STALL\n", epnum);
+		musb_dbg(musb, "RX end %d STALL", epnum);
 
 		/* stall; record URB status */
 		status = -EPIPE;
 
 	} else if (rx_csr & MUSB_RXCSR_H_ERROR) {
-		dev_dbg(musb->controller, "end %d RX proto error\n", epnum);
+		musb_dbg(musb, "end %d RX proto error", epnum);
 
 		status = -EPROTO;
 		musb_writeb(epio, MUSB_RXINTERVAL, 0);
@@ -1873,7 +1871,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 	} else if (rx_csr & MUSB_RXCSR_DATAERROR) {
 
 		if (USB_ENDPOINT_XFER_ISOC != qh->type) {
-			dev_dbg(musb->controller, "RX end %d NAK timeout\n", epnum);
+			musb_dbg(musb, "RX end %d NAK timeout", epnum);
 
 			/* NOTE: NAKing is *NOT* an error, so we want to
 			 * continue.  Except ... if there's a request for
@@ -1896,12 +1894,12 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 
 			goto finish;
 		} else {
-			dev_dbg(musb->controller, "RX end %d ISO data error\n", epnum);
+			musb_dbg(musb, "RX end %d ISO data error", epnum);
 			/* packet error reported later */
 			iso_err = true;
 		}
 	} else if (rx_csr & MUSB_RXCSR_INCOMPRX) {
-		dev_dbg(musb->controller, "end %d high bandwidth incomplete ISO packet RX\n",
+		musb_dbg(musb, "end %d high bandwidth incomplete ISO packet RX",
 				epnum);
 		status = -EPROTO;
 	}
@@ -1946,7 +1944,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 			done = true;
 		}
 
-		dev_dbg(musb->controller, "RXCSR%d %04x, reqpkt, len %zu%s\n", epnum, rx_csr,
+		musb_dbg(musb, "RXCSR%d %04x, reqpkt, len %zu%s", epnum, rx_csr,
 				xfer_len, dma ? ", dma" : "");
 		rx_csr &= ~MUSB_RXCSR_H_REQPKT;
 
@@ -1967,8 +1965,8 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 		if (musb_dma_inventra(musb) || musb_dma_ux500(musb) ||
 		    musb_dma_cppi41(musb)) {
 			    done = musb_rx_dma_inventra_cppi41(c, hw_ep, qh, urb, xfer_len);
-			    dev_dbg(hw_ep->musb->controller,
-				    "ep %d dma %s, rxcsr %04x, rxcount %d\n",
+			    musb_dbg(hw_ep->musb,
+				    "ep %d dma %s, rxcsr %04x, rxcount %d",
 				    epnum, done ? "off" : "reset",
 				    musb_readw(epio, MUSB_RXCSR),
 				    musb_readw(epio, MUSB_RXCOUNT));
@@ -1995,8 +1993,8 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 		/* we are expecting IN packets */
 		if ((musb_dma_inventra(musb) || musb_dma_ux500(musb) ||
 		    musb_dma_cppi41(musb)) && dma) {
-			dev_dbg(hw_ep->musb->controller,
-				"RX%d count %d, buffer 0x%llx len %d/%d\n",
+			musb_dbg(hw_ep->musb,
+				"RX%d count %d, buffer 0x%llx len %d/%d",
 				epnum, musb_readw(epio, MUSB_RXCOUNT),
 				(unsigned long long) urb->transfer_dma
 				+ urb->actual_length,
@@ -2048,7 +2046,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 				done = musb_host_packet_rx(musb, urb,
 						epnum, iso_err);
 			}
-			dev_dbg(musb->controller, "read %spacket\n", done ? "last " : "");
+			musb_dbg(musb, "read %spacket", done ? "last " : "");
 		}
 	}
 
@@ -2172,7 +2170,7 @@ static int musb_schedule(
 	idle = 1;
 	qh->mux = 0;
 	hw_ep = musb->endpoints + best_end;
-	dev_dbg(musb->controller, "qh %p periodic slot %d\n", qh, best_end);
+	musb_dbg(musb, "qh %p periodic slot %d", qh, best_end);
 success:
 	if (head) {
 		idle = list_empty(head);
@@ -2394,8 +2392,7 @@ static int musb_cleanup_urb(struct urb *urb, struct musb_qh *qh)
 		dma = is_in ? ep->rx_channel : ep->tx_channel;
 		if (dma) {
 			status = ep->musb->dma_controller->channel_abort(dma);
-			dev_dbg(musb->controller,
-				"abort %cX%d DMA for urb %p --> %d\n",
+			musb_dbg(musb, "abort %cX%d DMA for urb %p --> %d",
 				is_in ? 'R' : 'T', ep->epnum,
 				urb, status);
 			urb->actual_length += dma->actual_len;
@@ -2441,7 +2438,7 @@ static int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
 	int			is_in  = usb_pipein(urb->pipe);
 	int			ret;
 
-	dev_dbg(musb->controller, "urb=%p, dev%d ep%d%s\n", urb,
+	musb_dbg(musb, "urb=%p, dev%d ep%d%s", urb,
 			usb_pipedevice(urb->pipe),
 			usb_pipeendpoint(urb->pipe),
 			is_in ? "in" : "out");
diff --git a/drivers/usb/musb/musb_virthub.c b/drivers/usb/musb/musb_virthub.c
index 92d5f71..192248f 100644
--- a/drivers/usb/musb/musb_virthub.c
+++ b/drivers/usb/musb/musb_virthub.c
@@ -55,8 +55,7 @@ void musb_host_finish_resume(struct work_struct *work)
 
 	power = musb_readb(musb->mregs, MUSB_POWER);
 	power &= ~MUSB_POWER_RESUME;
-	dev_dbg(musb->controller, "root port resume stopped, power %02x\n",
-		power);
+	musb_dbg(musb, "root port resume stopped, power %02x", power);
 	musb_writeb(musb->mregs, MUSB_POWER, power);
 
 	/*
@@ -104,7 +103,7 @@ void musb_port_suspend(struct musb *musb, bool do_suspend)
 				break;
 		}
 
-		dev_dbg(musb->controller, "Root port suspended, power %02x\n", power);
+		musb_dbg(musb, "Root port suspended, power %02x", power);
 
 		musb->port1_status |= USB_PORT_STAT_SUSPEND;
 		switch (musb->xceiv->otg->state) {
@@ -123,7 +122,7 @@ void musb_port_suspend(struct musb *musb, bool do_suspend)
 			musb_platform_try_idle(musb, 0);
 			break;
 		default:
-			dev_dbg(musb->controller, "bogus rh suspend? %s\n",
+			musb_dbg(musb, "bogus rh suspend? %s",
 				usb_otg_state_string(musb->xceiv->otg->state));
 		}
 	} else if (power & MUSB_POWER_SUSPENDM) {
@@ -131,7 +130,7 @@ void musb_port_suspend(struct musb *musb, bool do_suspend)
 		power |= MUSB_POWER_RESUME;
 		musb_writeb(mbase, MUSB_POWER, power);
 
-		dev_dbg(musb->controller, "Root port resuming, power %02x\n", power);
+		musb_dbg(musb, "Root port resuming, power %02x", power);
 
 		/* later, GetPortStatus will stop RESUME signaling */
 		musb->port1_status |= MUSB_PORT_STAT_RESUME;
@@ -146,7 +145,7 @@ void musb_port_reset(struct musb *musb, bool do_reset)
 	void __iomem	*mbase = musb->mregs;
 
 	if (musb->xceiv->otg->state == OTG_STATE_B_IDLE) {
-		dev_dbg(musb->controller, "HNP: Returning from HNP; no hub reset from b_idle\n");
+		musb_dbg(musb, "HNP: Returning from HNP; no hub reset from b_idle");
 		musb->port1_status &= ~USB_PORT_STAT_RESET;
 		return;
 	}
@@ -194,7 +193,7 @@ void musb_port_reset(struct musb *musb, bool do_reset)
 		schedule_delayed_work(&musb->deassert_reset_work,
 				      msecs_to_jiffies(50));
 	} else {
-		dev_dbg(musb->controller, "root port reset stopped\n");
+		musb_dbg(musb, "root port reset stopped");
 		musb_platform_pre_root_reset_end(musb);
 		musb_writeb(mbase, MUSB_POWER,
 				power & ~MUSB_POWER_RESET);
@@ -202,7 +201,7 @@ void musb_port_reset(struct musb *musb, bool do_reset)
 
 		power = musb_readb(mbase, MUSB_POWER);
 		if (power & MUSB_POWER_HSMODE) {
-			dev_dbg(musb->controller, "high-speed device connected\n");
+			musb_dbg(musb, "high-speed device connected");
 			musb->port1_status |= USB_PORT_STAT_HIGH_SPEED;
 		}
 
@@ -242,7 +241,7 @@ void musb_root_disconnect(struct musb *musb)
 		musb->xceiv->otg->state = OTG_STATE_B_IDLE;
 		break;
 	default:
-		dev_dbg(musb->controller, "host disconnect (%s)\n",
+		musb_dbg(musb, "host disconnect (%s)",
 			usb_otg_state_string(musb->xceiv->otg->state));
 	}
 }
@@ -337,7 +336,7 @@ int musb_hub_control(
 		default:
 			goto error;
 		}
-		dev_dbg(musb->controller, "clear feature %d\n", wValue);
+		musb_dbg(musb, "clear feature %d", wValue);
 		musb->port1_status &= ~(1 << wValue);
 		break;
 	case GetHubDescriptor:
@@ -372,8 +371,7 @@ int musb_hub_control(
 				(__le32 *) buf);
 
 		/* port change status is more interesting */
-		dev_dbg(musb->controller, "port status %08x\n",
-				musb->port1_status);
+		musb_dbg(musb, "port status %08x", musb->port1_status);
 		break;
 	case SetPortFeature:
 		if ((wIndex & 0xff) != 1)
@@ -443,7 +441,7 @@ int musb_hub_control(
 		default:
 			goto error;
 		}
-		dev_dbg(musb->controller, "set feature %d\n", wValue);
+		musb_dbg(musb, "set feature %d", wValue);
 		musb->port1_status |= 1 << wValue;
 		break;
 
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index 8abfe4e..3620073 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -117,7 +117,7 @@ static void configure_channel(struct dma_channel *channel,
 	u8 bchannel = musb_channel->idx;
 	u16 csr = 0;
 
-	dev_dbg(musb->controller, "%p, pkt_sz %d, addr %pad, len %d, mode %d\n",
+	musb_dbg(musb, "%p, pkt_sz %d, addr %pad, len %d, mode %d",
 			channel, packet_sz, &dma_addr, len, mode);
 
 	if (mode) {
@@ -152,7 +152,7 @@ static int dma_channel_program(struct dma_channel *channel,
 	struct musb_dma_controller *controller = musb_channel->controller;
 	struct musb *musb = controller->private_data;
 
-	dev_dbg(musb->controller, "ep%d-%s pkt_sz %d, dma_addr %pad length %d, mode %d\n",
+	musb_dbg(musb, "ep%d-%s pkt_sz %d, dma_addr %pad length %d, mode %d",
 		musb_channel->epnum,
 		musb_channel->transmit ? "Tx" : "Rx",
 		packet_sz, &dma_addr, len, mode);
@@ -266,7 +266,7 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data)
 #endif
 
 	if (!int_hsdma) {
-		dev_dbg(musb->controller, "spurious DMA irq\n");
+		musb_dbg(musb, "spurious DMA irq");
 
 		for (bchannel = 0; bchannel < MUSB_HSDMA_CHANNELS; bchannel++) {
 			musb_channel = (struct musb_dma_channel *)
@@ -280,7 +280,7 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data)
 			}
 		}
 
-		dev_dbg(musb->controller, "int_hsdma = 0x%x\n", int_hsdma);
+		musb_dbg(musb, "int_hsdma = 0x%x", int_hsdma);
 
 		if (!int_hsdma)
 			goto done;
@@ -307,7 +307,7 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data)
 				channel->actual_len = addr
 					- musb_channel->start_addr;
 
-				dev_dbg(musb->controller, "ch %p, 0x%x -> 0x%x (%zu / %d) %s\n",
+				musb_dbg(musb, "ch %p, 0x%x -> 0x%x (%zu / %d) %s",
 					channel, musb_channel->start_addr,
 					addr, channel->actual_len,
 					musb_channel->len,
-- 
1.9.1

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