usb: gadget: net2280: Code Cleanup

- Move logical continuations to end of line
- Improve spacing

Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

2 files changed, 78 insertions, 81 deletions

diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index d1d4f4fc9da7..d506c83d204a 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -100,9 +100,9 @@ static bool use_dma_chaining;
 static bool use_msi = true;
 
 /* "modprobe net2280 use_dma=n" etc */
-module_param(use_dma, bool, S_IRUGO);
-module_param(use_dma_chaining, bool, S_IRUGO);
-module_param(use_msi, bool, S_IRUGO);
+module_param(use_dma, bool, 0444);
+module_param(use_dma_chaining, bool, 0444);
+module_param(use_msi, bool, 0444);
 
 /* mode 0 == ep-{a,b,c,d} 1K fifo each
  * mode 1 == ep-{a,b} 2K fifo each, ep-{c,d} unavailable
@@ -111,7 +111,7 @@ module_param(use_msi, bool, S_IRUGO);
 static ushort fifo_mode;
 
 /* "modprobe net2280 fifo_mode=1" etc */
-module_param (fifo_mode, ushort, 0644);
+module_param(fifo_mode, ushort, 0644);
 
 /* enable_suspend -- When enabled, the driver will respond to
  * USB suspend requests by powering down the NET2280.  Otherwise,
@@ -121,7 +121,7 @@ module_param (fifo_mode, ushort, 0644);
 static bool enable_suspend;
 
 /* "modprobe net2280 enable_suspend=1" etc */
-module_param(enable_suspend, bool, S_IRUGO);
+module_param(enable_suspend, bool, 0444);
 
 /* force full-speed operation */
 static bool full_speed;
@@ -169,8 +169,8 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
         static const u32 ep_key[9] = { 1, 0, 1, 0, 1, 1, 0, 1, 0 };
 
         ep = container_of(_ep, struct net2280_ep, ep);
-        if (!_ep || !desc || ep->desc || _ep->name == ep0name
-                        || desc->bDescriptorType != USB_DT_ENDPOINT)
+        if (!_ep || !desc || ep->desc || _ep->name == ep0name ||
+                        desc->bDescriptorType != USB_DT_ENDPOINT)
                 return -EINVAL;
         dev = ep->dev;
         if (!dev->driver || dev->gadget.speed == USB_SPEED_UNKNOWN)
@@ -220,9 +220,9 @@ net2280_enable(struct usb_ep *_ep, const struct usb_endpoint_descriptor *desc)
         tmp = (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK);
         if (tmp == USB_ENDPOINT_XFER_INT) {
                 /* erratum 0105 workaround prevents hs NYET */
-                if (dev->chiprev == 0100
-                                && dev->gadget.speed == USB_SPEED_HIGH
-                                && !(desc->bEndpointAddress & USB_DIR_IN))
+                if (dev->chiprev == 0100 &&
+                                dev->gadget.speed == USB_SPEED_HIGH &&
+                                !(desc->bEndpointAddress & USB_DIR_IN))
                         writel(BIT(CLEAR_NAK_OUT_PACKETS_MODE),
                                 &ep->regs->ep_rsp);
         } else if (tmp == USB_ENDPOINT_XFER_BULK) {
@@ -402,8 +402,8 @@ static void ep_reset_228x(struct net2280_regs __iomem *regs,
                 BIT(DATA_PACKET_RECEIVED_INTERRUPT) |
                 BIT(DATA_PACKET_TRANSMITTED_INTERRUPT) |
                 BIT(DATA_OUT_PING_TOKEN_INTERRUPT) |
-                BIT(DATA_IN_TOKEN_INTERRUPT)
-                , &ep->regs->ep_stat);
+                BIT(DATA_IN_TOKEN_INTERRUPT),
+                &ep->regs->ep_stat);
 
         /* fifo size is handled separately */
 }
@@ -425,9 +425,9 @@ static void ep_reset_338x(struct net2280_regs __iomem *regs,
                 writel(BIT(DMA_ABORT_DONE_INTERRUPT) |
                        BIT(DMA_PAUSE_DONE_INTERRUPT) |
                        BIT(DMA_SCATTER_GATHER_DONE_INTERRUPT) |
-                       BIT(DMA_TRANSACTION_DONE_INTERRUPT)
-                       /* | BIT(DMA_ABORT) */
-                       , &ep->dma->dmastat);
+                       BIT(DMA_TRANSACTION_DONE_INTERRUPT),
+                       /* | BIT(DMA_ABORT), */
+                       &ep->dma->dmastat);
 
                 dmastat = readl(&ep->dma->dmastat);
                 if (dmastat == 0x5002) {
@@ -618,15 +618,15 @@ static void out_flush(struct net2280_ep *ep)
 
         statp = &ep->regs->ep_stat;
         writel(BIT(DATA_OUT_PING_TOKEN_INTERRUPT) |
-                BIT(DATA_PACKET_RECEIVED_INTERRUPT)
-                , statp);
+                BIT(DATA_PACKET_RECEIVED_INTERRUPT),
+                statp);
         writel(BIT(FIFO_FLUSH), statp);
         /* Make sure that stap is written */
         mb();
         tmp = readl(statp);
-        if (tmp & BIT(DATA_OUT_PING_TOKEN_INTERRUPT)
+        if (tmp & BIT(DATA_OUT_PING_TOKEN_INTERRUPT) &&
                         /* high speed did bulk NYET; fifo isn't filling */
-                        && ep->dev->gadget.speed == USB_SPEED_FULL) {
+                        ep->dev->gadget.speed == USB_SPEED_FULL) {
                 unsigned        usec;
 
                 usec = 50;              /* 64 byte bulk/interrupt */
@@ -653,8 +653,8 @@ static int read_fifo(struct net2280_ep *ep, struct net2280_request *req)
         /* erratum 0106 ... packets coming in during fifo reads might
          * be incompletely rejected.  not all cases have workarounds.
          */
-        if (ep->dev->chiprev == 0x0100
-                        && ep->dev->gadget.speed == USB_SPEED_FULL) {
+        if (ep->dev->chiprev == 0x0100 &&
+                        ep->dev->gadget.speed == USB_SPEED_FULL) {
                 udelay(1);
                 tmp = readl(&ep->regs->ep_stat);
                 if ((tmp & BIT(NAK_OUT_PACKETS)))
@@ -726,8 +726,8 @@ static int read_fifo(struct net2280_ep *ep, struct net2280_request *req)
                 (void) readl(&ep->regs->ep_rsp);
         }
 
-        return is_short || ((req->req.actual == req->req.length)
-                                && !req->req.zero);
+        return is_short || ((req->req.actual == req->req.length) &&
+                        !req->req.zero);
 }
 
 /* fill out dma descriptor to match a given request */
@@ -744,8 +744,8 @@ static void fill_dma_desc(struct net2280_ep *ep,
          */
         if (ep->is_in)
                 dmacount |= BIT(DMA_DIRECTION);
-        if ((!ep->is_in && (dmacount % ep->ep.maxpacket) != 0)
-                        || ep->dev->pdev->device != 0x2280)
+        if ((!ep->is_in && (dmacount % ep->ep.maxpacket) != 0) ||
+                                        ep->dev->pdev->device != 0x2280)
                 dmacount |= BIT(END_OF_CHAIN);
 
         req->valid = valid;
@@ -836,8 +836,8 @@ static void start_dma(struct net2280_ep *ep, struct net2280_request *req)
 
                         /* dma irq, faking scatterlist status */
                         req->td->dmacount = cpu_to_le32(req->req.length - tmp);
-                        writel(BIT(DMA_DONE_INTERRUPT_ENABLE)
-                                | tmp, &dma->dmacount);
+                        writel(BIT(DMA_DONE_INTERRUPT_ENABLE) | tmp,
+                                        &dma->dmacount);
                         req->td->dmadesc = 0;
                         req->valid = 1;
 
@@ -1120,8 +1120,8 @@ static void scan_dma_completions(struct net2280_ep *ep)
                         /* single transfer mode */
                         dma_done(ep, req, tmp, 0);
                         break;
-                } else if (!ep->is_in
-                                && (req->req.length % ep->ep.maxpacket) != 0) {
+                } else if (!ep->is_in &&
+                                (req->req.length % ep->ep.maxpacket) != 0) {
                         tmp = readl(&ep->regs->ep_stat);
                         if (ep->dev->pdev->vendor == PCI_VENDOR_ID_PLX)
                                 return dma_done(ep, req, tmp, 0);
@@ -1317,8 +1317,8 @@ static int net2280_dequeue(struct usb_ep *_ep, struct usb_request *_req)
                         writel(le32_to_cpu(req->td->dmadesc),
                                 &ep->dma->dmadesc);
                         if (req->td->dmacount & dma_done_ie)
-                                writel(readl(&ep->dma->dmacount)
-                                                | le32_to_cpu(dma_done_ie),
+                                writel(readl(&ep->dma->dmacount) |
+                                                le32_to_cpu(dma_done_ie),
                                         &ep->dma->dmacount);
                 } else {
                         struct net2280_request  *prev;
@@ -2255,8 +2255,8 @@ static void ep0_start_228x(struct net2280 *dev)
 {
         writel(BIT(CLEAR_EP_HIDE_STATUS_PHASE) |
                 BIT(CLEAR_NAK_OUT_PACKETS) |
-                BIT(CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE)
-                , &dev->epregs[0].ep_rsp);
+                BIT(CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE),
+                &dev->epregs[0].ep_rsp);
 
         /*
          * hardware optionally handles a bunch of standard requests
@@ -2268,8 +2268,8 @@ static void ep0_start_228x(struct net2280 *dev)
                 BIT(SET_ADDRESS) |
                 BIT(DEVICE_SET_CLEAR_DEVICE_REMOTE_WAKEUP) |
                 BIT(GET_DEVICE_STATUS) |
-                BIT(GET_INTERFACE_STATUS)
-                , &dev->usb->stdrsp);
+                BIT(GET_INTERFACE_STATUS),
+                &dev->usb->stdrsp);
         writel(BIT(USB_ROOT_PORT_WAKEUP_ENABLE) |
                 BIT(SELF_POWERED_USB_DEVICE) |
                 BIT(REMOTE_WAKEUP_SUPPORT) |
@@ -2330,8 +2330,8 @@ static void ep0_start_338x(struct net2280 *dev)
 
         /* enable irqs so we can see ep0 and general operation  */
         writel(BIT(SETUP_PACKET_INTERRUPT_ENABLE) |
-               BIT(ENDPOINT_0_INTERRUPT_ENABLE)
-               , &dev->regs->pciirqenb0);
+               BIT(ENDPOINT_0_INTERRUPT_ENABLE),
+               &dev->regs->pciirqenb0);
         writel(BIT(PCI_INTERRUPT_ENABLE) |
                BIT(ROOT_PORT_RESET_INTERRUPT_ENABLE) |
                BIT(SUSPEND_REQUEST_CHANGE_INTERRUPT_ENABLE) |
@@ -2366,8 +2366,8 @@ static int net2280_start(struct usb_gadget *_gadget,
          * (dev->usb->xcvrdiag & FORCE_FULL_SPEED_MODE)
          * "must not be used in normal operation"
          */
-        if (!driver || driver->max_speed < USB_SPEED_HIGH
-                        || !driver->setup)
+        if (!driver || driver->max_speed < USB_SPEED_HIGH ||
+                        !driver->setup)
                 return -EINVAL;
 
         dev = container_of(_gadget, struct net2280, gadget);
@@ -2542,10 +2542,10 @@ static void handle_ep_small(struct net2280_ep *ep)
                                 }
                                 mode = 2;
                         /* an extra OUT token is an error */
-                        } else if (((t & BIT(DATA_OUT_PING_TOKEN_INTERRUPT))
-                                        && req
-                                        && req->req.actual == req->req.length)
-                                        || (ep->responded && !req)) {
+                        } else if (((t & BIT(DATA_OUT_PING_TOKEN_INTERRUPT)) &&
+                                        req &&
+                                        req->req.actual == req->req.length) ||
+                                        (ep->responded && !req)) {
                                 ep->dev->protocol_stall = 1;
                                 set_halt(ep);
                                 ep->stopped = 1;
@@ -2576,8 +2576,8 @@ static void handle_ep_small(struct net2280_ep *ep)
                                  * dma handles (M >= N), may empty the queue
                                  */
                                 scan_dma_completions(ep);
-                                if (unlikely(list_empty(&ep->queue)
-                                                || ep->out_overflow)) {
+                                if (unlikely(list_empty(&ep->queue) ||
+                                                ep->out_overflow)) {
                                         req = NULL;
                                         break;
                                 }
@@ -2611,10 +2611,10 @@ static void handle_ep_small(struct net2280_ep *ep)
                         }
 
                         /* also flush to prevent erratum 0106 trouble */
-                        if (unlikely(ep->out_overflow
-                                        || (ep->dev->chiprev == 0x0100
-                                                && ep->dev->gadget.speed
-                                                        == USB_SPEED_FULL))) {
+                        if (unlikely(ep->out_overflow ||
+                                        (ep->dev->chiprev == 0x0100 &&
+                                        ep->dev->gadget.speed
+                                        == USB_SPEED_FULL))) {
                                 out_flush(ep);
                                 ep->out_overflow = 0;
                         }
@@ -2808,9 +2808,9 @@ static void ep_stall(struct net2280_ep *ep, int stall)
                 val = readl(&ep->regs->ep_rsp);
                 val |= BIT(CLEAR_ENDPOINT_HALT) |
                         BIT(CLEAR_ENDPOINT_TOGGLE);
-                writel(val
-                       /* | BIT(CLEAR_NAK_PACKETS)*/
-                       , &ep->regs->ep_rsp);
+                writel(val,
+                       /* | BIT(CLEAR_NAK_PACKETS),*/
+                       &ep->regs->ep_rsp);
                 ep->is_halt = 0;
                 val = readl(&ep->regs->ep_rsp);
         }
@@ -3125,8 +3125,8 @@ static void handle_stat0_irqs(struct net2280 *dev, u32 stat)
                                    BIT(DATA_PACKET_RECEIVED_INTERRUPT) |
                                    BIT(DATA_PACKET_TRANSMITTED_INTERRUPT) |
                                    BIT(DATA_OUT_PING_TOKEN_INTERRUPT) |
-                                   BIT(DATA_IN_TOKEN_INTERRUPT)
-                                   , &ep->regs->ep_stat);
+                                   BIT(DATA_IN_TOKEN_INTERRUPT),
+                                   &ep->regs->ep_stat);
                 }
                 u.raw[0] = readl(&dev->usb->setup0123);
                 u.raw[1] = readl(&dev->usb->setup4567);
@@ -3206,8 +3206,7 @@ static void handle_stat0_irqs(struct net2280 *dev, u32 stat)
                         /* hw handles device features */
                         if (u.r.bRequestType != USB_RECIP_ENDPOINT)
                                 goto delegate;
-                        if (w_value != USB_ENDPOINT_HALT
-                                        || w_length != 0)
+                        if (w_value != USB_ENDPOINT_HALT || w_length != 0)
                                 goto do_stall;
                         e = get_ep_by_addr(dev, w_index);
                         if (!e)
@@ -3233,8 +3232,7 @@ static void handle_stat0_irqs(struct net2280 *dev, u32 stat)
                         /* hw handles device features */
                         if (u.r.bRequestType != USB_RECIP_ENDPOINT)
                                 goto delegate;
-                        if (w_value != USB_ENDPOINT_HALT
-                                        || w_length != 0)
+                        if (w_value != USB_ENDPOINT_HALT || w_length != 0)
                                 goto do_stall;
                         e = get_ep_by_addr(dev, w_index);
                         if (!e)
@@ -3326,12 +3324,11 @@ static void handle_stat1_irqs(struct net2280 *dev, u32 stat)
          */
         if (stat & tmp) {
                 writel(tmp, &dev->regs->irqstat1);
-                if ((((stat & BIT(ROOT_PORT_RESET_INTERRUPT))
-                                        && ((readl(&dev->usb->usbstat) & mask)
-                                                        == 0))
-                                || ((readl(&dev->usb->usbctl)
-                                        & BIT(VBUS_PIN)) == 0)
-                            ) && (dev->gadget.speed != USB_SPEED_UNKNOWN)) {
+                if ((((stat & BIT(ROOT_PORT_RESET_INTERRUPT)) &&
+                                (readl(&dev->usb->usbstat) & mask)) ||
+                                ((readl(&dev->usb->usbctl) &
+                                        BIT(VBUS_PIN)) == 0)) &&
+                                (dev->gadget.speed != USB_SPEED_UNKNOWN)) {
                         DEBUG(dev, "disconnect %s\n",
                                         dev->driver->driver.name);
                         stop_activity(dev, dev->driver);
@@ -3560,7 +3557,7 @@ static void net2280_remove(struct pci_dev *pdev)
                 pci_disable_device(pdev);
         device_remove_file(&pdev->dev, &dev_attr_registers);
 
-        INFO (dev, "unbind\n");
+        INFO(dev, "unbind\n");
 }
 
 /* wrap this driver around the specified device, but
@@ -3783,29 +3780,29 @@ static const struct pci_device_id pci_ids[] = { {
         .device =       0x2280,
         .subvendor =    PCI_ANY_ID,
         .subdevice =    PCI_ANY_ID,
-}, {
+        }, {
         .class =        ((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
         .class_mask =   ~0,
         .vendor =       PCI_VENDOR_ID_PLX_LEGACY,
         .device =       0x2282,
         .subvendor =    PCI_ANY_ID,
         .subdevice =    PCI_ANY_ID,
-},
+        },
         {
-         .class = ((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
-         .class_mask = ~0,
-         .vendor = PCI_VENDOR_ID_PLX,
-         .device = 0x3380,
-         .subvendor = PCI_ANY_ID,
-         .subdevice = PCI_ANY_ID,
+        .class =        ((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
+        .class_mask =   ~0,
+        .vendor =       PCI_VENDOR_ID_PLX,
+        .device =       0x3380,
+        .subvendor =    PCI_ANY_ID,
+        .subdevice =    PCI_ANY_ID,
          },
         {
-         .class = ((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
-         .class_mask = ~0,
-         .vendor = PCI_VENDOR_ID_PLX,
-         .device = 0x3382,
-         .subvendor = PCI_ANY_ID,
-         .subdevice = PCI_ANY_ID,
+        .class =        ((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
+        .class_mask =   ~0,
+        .vendor =       PCI_VENDOR_ID_PLX,
+        .device =       0x3382,
+        .subvendor =    PCI_ANY_ID,
+        .subdevice =    PCI_ANY_ID,
          },
 { /* end: all zeroes */ }
 };
diff --git a/drivers/usb/gadget/net2280.h b/drivers/usb/gadget/net2280.h
index f019d6c74fc3..77c39d9f6d8a 100644
--- a/drivers/usb/gadget/net2280.h
+++ b/drivers/usb/gadget/net2280.h
@@ -117,8 +117,8 @@ static inline void allow_status(struct net2280_ep *ep)
         /* ep0 only */
         writel(BIT(CLEAR_CONTROL_STATUS_PHASE_HANDSHAKE) |
                 BIT(CLEAR_NAK_OUT_PACKETS) |
-                BIT(CLEAR_NAK_OUT_PACKETS_MODE)
-                , &ep->regs->ep_rsp);
+                BIT(CLEAR_NAK_OUT_PACKETS_MODE),
+                &ep->regs->ep_rsp);
         ep->stopped = 1;
 }