MUSB: Coding style cleanup, kill all CPP style comments

Coding style cleanup, kill all CPP style comments
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

drivers/usb/musb/cppi_dma.c

@@ -401,7 +401,7 @@ cppi_dump_tx(int level, struct cppi_channel *c, const char *tag)
 
 		musb_readl(c->stateRam, 4 * 4),	/* flags */
 		musb_readl(c->stateRam, 5 * 4),	/* len */
-		// dummy/unused word 6
+		/* dummy/unused word 6 */
 		musb_readl(c->stateRam, 7 * 4)	/* completion */
 		);
 }
@@ -963,13 +963,13 @@ static int cppi_channel_program(struct dma_channel *pChannel,
 		WARN("%cX DMA%d not cleaned up after abort!\n",
 				otgChannel->transmit ? 'T' : 'R',
 				otgChannel->chNo);
-		//WARN_ON(1);
+		/* WARN_ON(1); */
 		break;
 	case MUSB_DMA_STATUS_BUSY:
 		WARN("program active channel?  %cX DMA%d\n",
 				otgChannel->transmit ? 'T' : 'R',
 				otgChannel->chNo);
-		//WARN_ON(1);
+		/* WARN_ON(1); */
 		break;
 	case MUSB_DMA_STATUS_UNKNOWN:
 		DBG(1, "%cX DMA%d not allocated!\n",
@@ -1206,7 +1206,7 @@ void cppi_completion(struct musb *musb, u32 rx, u32 tx)
 				 *
 				 * REVISIT have observed bit 18 set; huh??
 				 */
-//				if ((bdPtr->hOptions & CPPI_EOQ_MASK))
+				/* if ((bdPtr->hOptions & CPPI_EOQ_MASK)) */
 					txState->completionPtr = bdPtr->dma;
 
 				/* stop scanning on end-of-segment */
@@ -1216,7 +1216,7 @@ void cppi_completion(struct musb *musb, u32 rx, u32 tx)
 
 			/* on end of segment, maybe go to next one */
 			if (bReqComplete) {
-				//cppi_dump_tx(4, txChannel, "/complete");
+				/* cppi_dump_tx(4, txChannel, "/complete"); */
 
 				/* transfer more, or report completion */
 				if (txChannel->currOffset
@@ -1416,7 +1416,7 @@ static int cppi_channel_abort(struct dma_channel *channel)
 			musb_writel(regBase, DAVINCI_TXCPPI_INTCLR_REG,
 					(1 << otgCh->chNo));
 
-		// REVISIT put timeouts on these controller handshakes
+		/* REVISIT put timeouts on these controller handshakes */
 
 		cppi_dump_tx(6, otgCh, " (teardown)");
 

drivers/usb/musb/cppi_dma.h

@@ -29,7 +29,7 @@
 
 /* CPPI data structure definitions */
 
-#define	CPPI_DESCRIPTOR_ALIGN	16	// bytes; 5-dec docs say 4-byte align
+#define	CPPI_DESCRIPTOR_ALIGN	16	/* bytes; 5-dec docs say 4-byte align */
 
 struct cppi_descriptor {
 	/* Hardware Overlay */

drivers/usb/musb/musb_core.c

@@ -530,7 +530,7 @@ static irqreturn_t musb_stage0_irq(struct musb * musb, u8 int_usb,
 					s = "<AValid"; break;
 				case 2 << MUSB_DEVCTL_VBUS_SHIFT:
 					s = "<VBusValid"; break;
-				//case 3 << MUSB_DEVCTL_VBUS_SHIFT:
+				/* case 3 << MUSB_DEVCTL_VBUS_SHIFT: */
 				default:
 					s = "VALID"; break;
 				}; s; }),
@@ -555,7 +555,7 @@ static irqreturn_t musb_stage0_irq(struct musb * musb, u8 int_usb,
 #ifdef CONFIG_USB_MUSB_OTG
 		/* flush endpoints when transitioning from Device Mode */
 		if (is_peripheral_active(musb)) {
-			// REVISIT HNP; just force disconnect
+			/* REVISIT HNP; just force disconnect */
 		}
 		musb_writew(mbase, MUSB_INTRTXE, musb->epmask);
 		musb_writew(mbase, MUSB_INTRRXE, musb->epmask & 0xfffe);
@@ -682,8 +682,10 @@ static irqreturn_t musb_stage2_irq(struct musb * musb, u8 int_usb,
 		for (epnum = 1; (epnum < musb->nr_endpoints)
 					&& (musb->epmask >= (1 << epnum));
 				epnum++, ep++) {
-			// FIXME handle framecounter wraps (12 bits)
-			// eliminate duplicated StartUrb logic
+			/*
+			 * FIXME handle framecounter wraps (12 bits)
+			 * eliminate duplicated StartUrb logic
+			 */
 			if (ep->dwWaitFrame >= frame) {
 				ep->dwWaitFrame = 0;
 				printk("SOF --> periodic TX%s on %d\n",
@@ -813,7 +815,7 @@ void musb_start(struct musb *musb)
 						| MUSB_POWER_SOFTCONN
 						| MUSB_POWER_HSENAB
 						/* ENSUSPEND wedges tusb */
-						// | MUSB_POWER_ENSUSPEND
+						/* | MUSB_POWER_ENSUSPEND */
 						);
 
 	musb->is_active = 0;
@@ -1143,7 +1145,7 @@ static int __init ep_config_from_table(struct musb *musb)
 
 
 	offset = fifo_setup(musb, hw_ep, &ep0_cfg, 0);
-	// assert(offset > 0)
+	/* assert(offset > 0) */
 
 	/* NOTE:  for RTL versions >= 1.400 EPINFO and RAMINFO would
 	 * be better than static MUSB_C_NUM_EPS and DYN_FIFO_SIZE...
@@ -1497,7 +1499,7 @@ irqreturn_t musb_interrupt(struct musb *musb)
 	ep_num = 1;
 	while (reg) {
 		if (reg & 1) {
-			// musb_ep_select(musb->mregs, ep_num);
+			/* musb_ep_select(musb->mregs, ep_num); */
 			/* REVISIT just retval = ep->rx_irq(...) */
 			retval = IRQ_HANDLED;
 			if (devctl & MUSB_DEVCTL_HM) {
@@ -1518,7 +1520,7 @@ irqreturn_t musb_interrupt(struct musb *musb)
 	ep_num = 1;
 	while (reg) {
 		if (reg & 1) {
-			// musb_ep_select(musb->mregs, ep_num);
+			/* musb_ep_select(musb->mregs, ep_num); */
 			/* REVISIT just retval |= ep->tx_irq(...) */
 			retval = IRQ_HANDLED;
 			if (devctl & MUSB_DEVCTL_HM) {
@@ -1964,7 +1966,7 @@ musb_init_controller(struct device *dev, int nIrq, void __iomem *ctrl)
 		goto fail2;
 	}
 	musb->nIrq = nIrq;
-// FIXME this handles wakeup irqs wrong
+/* FIXME this handles wakeup irqs wrong */
 	if (enable_irq_wake(nIrq) == 0)
 		device_init_wakeup(dev, 1);
 

drivers/usb/musb/musb_debug.h

@@ -63,4 +63,4 @@ static inline int _dbg_level(unsigned l)
 
 extern const char *otg_state_string(struct musb *);
 
-#endif				//  __MUSB_LINUX_DEBUG_H__
+#endif				/*  __MUSB_LINUX_DEBUG_H__ */

drivers/usb/musb/musb_dma.h

@@ -113,7 +113,7 @@ struct dma_controller;
  */
 struct dma_channel {
 	void			*private_data;
-	// FIXME not void* private_data, but a dma_controller *
+	/* FIXME not void* private_data, but a dma_controller * */
 	size_t			max_len;
 	size_t			actual_len;
 	enum dma_channel_status	status;

drivers/usb/musb/musb_gadget.c

@@ -322,7 +322,7 @@ static void txstate(struct musb *musb, struct musb_request *req)
 							MUSB_TXCSR_DMAMODE);
 					csr |= (MUSB_TXCSR_DMAENAB |
 							MUSB_TXCSR_MODE);
-					// against programming guide
+					/* against programming guide */
 				}
 				else
 					csr |= (MUSB_TXCSR_AUTOSET
@@ -646,7 +646,7 @@ static void rxstate(struct musb *musb, struct musb_request *req)
 				csr |= MUSB_RXCSR_DMAENAB;
 #ifdef USE_MODE1
 				csr |= MUSB_RXCSR_AUTOCLEAR;
-//				csr |= MUSB_RXCSR_DMAMODE;
+				/* csr |= MUSB_RXCSR_DMAMODE; */
 
 				/* this special sequence (enabling and then
 				 * disabling MUSB_RXCSR_DMAMODE) is required
@@ -768,7 +768,7 @@ void musb_g_rx(struct musb *musb, u8 epnum)
 	}
 
 	if (csr & MUSB_RXCSR_P_OVERRUN) {
-		// csr |= MUSB_RXCSR_P_WZC_BITS;
+		/* csr |= MUSB_RXCSR_P_WZC_BITS; */
 		csr &= ~MUSB_RXCSR_P_OVERRUN;
 		musb_writew(epio, MUSB_RXCSR, csr);
 
@@ -1486,8 +1486,10 @@ static int musb_gadget_vbus_session(struct usb_gadget *gadget, int is_active)
 {
 	DBG(2, "<= %s =>\n", __FUNCTION__);
 
-	// FIXME iff driver's softconnect flag is set (as it is during probe,
-	// though that can clear it), just musb_pullup().
+	/*
+	 * FIXME iff driver's softconnect flag is set (as it is during probe,
+	 * though that can clear it), just musb_pullup().
+	 */
 
 	return -EINVAL;
 }
@@ -1525,7 +1527,7 @@ static const struct usb_gadget_ops musb_gadget_operations = {
 	.get_frame		= musb_gadget_get_frame,
 	.wakeup			= musb_gadget_wakeup,
 	.set_selfpowered	= musb_gadget_set_self_powered,
-	//.vbus_session		= musb_gadget_vbus_session,
+	/* .vbus_session		= musb_gadget_vbus_session, */
 	.vbus_draw		= musb_gadget_vbus_draw,
 	.pullup			= musb_gadget_pullup,
 };
@@ -1542,7 +1544,7 @@ static struct musb *the_gadget;
 
 static void musb_gadget_release(struct device *dev)
 {
-	// kref_put(WHAT)
+	/* kref_put(WHAT) */
 	dev_dbg(dev, "%s\n", __FUNCTION__);
 }
 

drivers/usb/musb/musb_gadget_ep0.c

@@ -494,7 +494,7 @@ static void ep0_txstate(struct musb *musb)
 	u8			fifo_count;
 
 	if (!request) {
-		// WARN_ON(1);
+		/* WARN_ON(1); */
 		DBG(2, "odd; csr0 %04x\n", musb_readw(regs, MUSB_CSR0));
 		return;
 	}

drivers/usb/musb/musb_host.c

@@ -247,7 +247,7 @@ musb_start_urb(struct musb *musb, int is_in, struct musb_qh *qh)
 			qh->frame = urb->start_frame;
 			/* enable SOF interrupt so we can count down */
 DBG(1,"SOF for %d\n", epnum);
-#if 1 // ifndef	CONFIG_ARCH_DAVINCI
+#if 1 /* ifndef	CONFIG_ARCH_DAVINCI */
 			musb_writeb(mbase, MUSB_INTRUSBE, 0xff);
 #endif
 		}
@@ -482,7 +482,7 @@ musb_host_packet_rx(struct musb *musb, struct urb *urb, u8 epnum, u8 iso_err)
 	int			pipe = urb->pipe;
 	void			*buffer = urb->transfer_buffer;
 
-	// musb_ep_select(mbase, epnum);
+	/* musb_ep_select(mbase, epnum); */
 	rx_count = musb_readw(epio, MUSB_RXCOUNT);
 	DBG(3, "RX%d count %d, buffer %p len %d/%d\n", epnum, rx_count,
 			urb->transfer_buffer, qh->offset,
@@ -784,7 +784,7 @@ static void musb_ep_program(struct musb *musb, u8 epnum,
 				csr &= ~(MUSB_TXCSR_AUTOSET
 					| MUSB_TXCSR_DMAMODE);
 				csr |= (MUSB_TXCSR_DMAENAB);
-					// against programming guide
+					/* against programming guide */
 			} else
 				csr |= (MUSB_TXCSR_AUTOSET
 					| MUSB_TXCSR_DMAENAB
@@ -1312,7 +1312,7 @@ void musb_host_tx(struct musb *musb, u8 epnum)
 		musb_advance_schedule(musb, urb, hw_ep, USB_DIR_OUT);
 
 	} else if (!(tx_csr & MUSB_TXCSR_DMAENAB)) {
-		// WARN_ON(!buf);
+		/* WARN_ON(!buf); */
 
 		/* REVISIT:  some docs say that when hw_ep->tx_double_buffered,
 		 * (and presumably, fifo is not half-full) we should write TWO
@@ -1541,9 +1541,9 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 			status = -EPROTO;
 			ERR("Rx interrupt with no errors or packet!\n");
 
-			// FIXME this is another "SHOULD NEVER HAPPEN"
+			/* FIXME this is another "SHOULD NEVER HAPPEN" */
 
-// SCRUB (RX)
+/* SCRUB (RX) */
 			/* do the proper sequence to abort the transfer */
 			musb_ep_select(mbase, epnum);
 			val &= ~MUSB_RXCSR_H_REQPKT;
@@ -2167,6 +2167,6 @@ const struct hc_driver musb_hc_driver = {
 	.hub_control		= musb_hub_control,
 	.bus_suspend		= musb_bus_suspend,
 	.bus_resume		= musb_bus_resume,
-//	.start_port_reset	= NULL,
-//	.hub_irq_enable		= NULL,
+	/* .start_port_reset	= NULL, */
+	/* .hub_irq_enable	= NULL, */
 };

drivers/usb/musb/musb_host.h

@@ -54,7 +54,7 @@ struct musb_qh {
 	struct musb_hw_ep	*hw_ep;		/* current binding */
 
 	struct list_head	ring;		/* of musb_qh */
-	//struct musb_qh		*next;		/* for periodic tree */
+	/* struct musb_qh		*next; */	/* for periodic tree */
 
 	unsigned		offset;		/* in urb->transfer_buffer */
 	unsigned		segsize;	/* current xfer fragment */

drivers/usb/musb/musb_procfs.c

@@ -705,8 +705,8 @@ static int musb_proc_write(struct file *file, const char __user *buffer,
 			reg = musb_readb(mbase, MUSB_DEVCTL);
 			reg |= MUSB_DEVCTL_HR;
 			musb_writeb(mbase, MUSB_DEVCTL, reg);
-			//MUSB_HST_MODE( ((struct musb*)data) );
-			//WARN("Host Mode\n");
+			/* MUSB_HST_MODE( ((struct musb*)data) ); */
+			/* WARN("Host Mode\n"); */
 		}
 		break;
 
@@ -802,7 +802,7 @@ static int musb_proc_read(char *page, char **start,
 	}
 
 	/* generate the report for the end points */
-	// REVISIT ... not unless something's connected!
+	/* REVISIT ... not unless something's connected! */
 	for (epnum = 0; count >= 0 && epnum < musb->nr_endpoints;
 			epnum++) {
 		code = dump_end_info(musb, epnum, buffer, count);
@@ -840,7 +840,7 @@ musb_debug_create(char *name, struct musb *data)
 					S_IFREG | S_IRUGO | S_IWUSR, NULL);
 	if (pde) {
 		pde->data = data;
-		// pde->owner = THIS_MODULE;
+		/* pde->owner = THIS_MODULE; */
 
 		pde->read_proc = musb_proc_read;
 		pde->write_proc = musb_proc_write;

drivers/usb/musb/tusb6010.c

@@ -337,7 +337,7 @@ static void tusb_set_clock_source(struct musb *musb, unsigned mode)
 
 	musb_writel(base, TUSB_PRCM_CONF, reg);
 
-	// FIXME tusb6010_platform_retime(mode == 0);
+	/* FIXME tusb6010_platform_retime(mode == 0); */
 }
 
 /*
@@ -688,7 +688,7 @@ tusb_otg_ints(struct musb *musb, u32 int_src, void __iomem *base)
 		if ((is_otg_enabled(musb) && !musb->xceiv.default_a)
 				|| !is_host_enabled(musb)) {
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
-			// ? musb_root_disconnect(musb);
+			/* ? musb_root_disconnect(musb); */
 			musb->port1_status &=
 				~(USB_PORT_STAT_CONNECTION
 				| USB_PORT_STAT_ENABLE
@@ -864,7 +864,7 @@ static irqreturn_t tusb_interrupt(int irq, void *__hci)
 		DBG(3, "wake %sactive %02x\n",
 				musb->is_active ? "" : "in", reg);
 
-		// REVISIT host side TUSB_PRCM_WHOSTDISCON, TUSB_PRCM_WBUS
+		/* REVISIT host side TUSB_PRCM_WHOSTDISCON, TUSB_PRCM_WBUS */
 	}
 
 	if (int_src & TUSB_INT_SRC_USB_IP_CONN)

drivers/usb/musb/tusb6010_omap.c

@@ -75,7 +75,7 @@ static int tusb_omap_dma_start(struct dma_controller *c)
 
 	tusb_dma = container_of(c, struct tusb_omap_dma, controller);
 
-	// DBG(3, "ep%i ch: %i\n", chdat->epnum, chdat->ch);
+	/* DBG(3, "ep%i ch: %i\n", chdat->epnum, chdat->ch); */
 
 	return 0;
 }
@@ -86,7 +86,7 @@ static int tusb_omap_dma_stop(struct dma_controller *c)
 
 	tusb_dma = container_of(c, struct tusb_omap_dma, controller);
 
-	// DBG(3, "ep%i ch: %i\n", chdat->epnum, chdat->ch);
+	/* DBG(3, "ep%i ch: %i\n", chdat->epnum, chdat->ch); */
 
 	return 0;
 }