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author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2013-06-18 02:36:19 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-18 11:17:03 -0700 |
commit | 87e7e57acd90deaa1d45bb2855c0fb5401e10fc8 (patch) | |
tree | 70cc5094f45efcce981f9201655eea1f3c3d3aa2 /drivers/staging/octeon-usb | |
parent | 71e06db3b953b8cc57dec097bdc08b7ed4852277 (diff) | |
download | linux-87e7e57acd90deaa1d45bb2855c0fb5401e10fc8.tar.gz linux-87e7e57acd90deaa1d45bb2855c0fb5401e10fc8.tar.bz2 linux-87e7e57acd90deaa1d45bb2855c0fb5401e10fc8.zip |
staging: octeon-usb: octeon-hcd: reformat long comments
Fix some comments to fit into 80 colums.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/octeon-usb')
-rw-r--r-- | drivers/staging/octeon-usb/octeon-hcd.c | 74 |
1 files changed, 52 insertions, 22 deletions
diff --git a/drivers/staging/octeon-usb/octeon-hcd.c b/drivers/staging/octeon-usb/octeon-hcd.c index accd0c594307..50c602e325eb 100644 --- a/drivers/staging/octeon-usb/octeon-hcd.c +++ b/drivers/staging/octeon-usb/octeon-hcd.c @@ -137,7 +137,10 @@ static void octeon_usb_urb_complete_callback(cvmx_usb_state_t *usb, list from data in our private copy */ if (usb_pipetype(urb->pipe) == PIPE_ISOCHRONOUS) { int i; - /* The pointer to the private list is stored in the setup_packet field */ + /* + * The pointer to the private list is stored in the setup_packet + * field. + */ cvmx_usb_iso_packet_t *iso_packet = (cvmx_usb_iso_packet_t *) urb->setup_packet; /* Recalculate the transfer size by adding up each packet */ urb->actual_length = 0; @@ -242,22 +245,33 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd, speed = CVMX_USB_SPEED_HIGH; break; } - /* For slow devices on high speed ports we need to find the hub that - does the speed translation so we know where to send the split - transactions */ + /* + * For slow devices on high speed ports we need to find the hub + * that does the speed translation so we know where to send the + * split transactions. + */ if (speed != CVMX_USB_SPEED_HIGH) { - /* Start at this device and work our way up the usb tree */ + /* + * Start at this device and work our way up the usb + * tree. + */ struct usb_device *dev = urb->dev; while (dev->parent) { - /* If our parent is high speed then he'll receive the splits */ + /* + * If our parent is high speed then he'll + * receive the splits. + */ if (dev->parent->speed == USB_SPEED_HIGH) { split_device = dev->parent->devnum; split_port = dev->portnum; break; } - /* Move up the tree one level. If we make it all the way up the - tree, then the port must not be in high speed mode and we - don't need a split */ + /* + * Move up the tree one level. If we make it all + * the way up the tree, then the port must not + * be in high speed mode and we don't need a + * split. + */ dev = dev->parent; } } @@ -287,8 +301,10 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd, case PIPE_ISOCHRONOUS: dev_dbg(dev, "Submit isochronous to %d.%d\n", usb_pipedevice(urb->pipe), usb_pipeendpoint(urb->pipe)); - /* Allocate a structure to use for our private list of isochronous - packets */ + /* + * Allocate a structure to use for our private list of + * isochronous packets. + */ iso_packet = kmalloc(urb->number_of_packets * sizeof(cvmx_usb_iso_packet_t), GFP_ATOMIC); if (iso_packet) { int i; @@ -298,9 +314,11 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd, iso_packet[i].length = urb->iso_frame_desc[i].length; iso_packet[i].status = CVMX_USB_COMPLETE_ERROR; } - /* Store a pointer to the list in uthe URB setup_pakcet field. - We know this currently isn't being used and this saves us - a bunch of logic */ + /* + * Store a pointer to the list in the URB setup_packet + * field. We know this currently isn't being used and + * this saves us a bunch of logic. + */ urb->setup_packet = (char *)iso_packet; submit_handle = cvmx_usb_submit_isochronous(&priv->usb, pipe_handle, urb->start_frame, @@ -311,7 +329,10 @@ static int octeon_usb_urb_enqueue(struct usb_hcd *hcd, urb->transfer_buffer_length, octeon_usb_urb_complete_callback, urb); - /* If submit failed we need to free our private packet list */ + /* + * If submit failed we need to free our private packet + * list. + */ if (submit_handle < 0) { urb->setup_packet = NULL; kfree(iso_packet); @@ -487,23 +508,30 @@ static int octeon_usb_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, break; case USB_PORT_FEAT_C_RESET: dev_dbg(dev, " C_RESET\n"); - /* Clears the driver's internal Port Reset Change flag */ + /* + * Clears the driver's internal Port Reset Change flag. + */ spin_lock_irqsave(&priv->lock, flags); cvmx_usb_set_status(&priv->usb, cvmx_usb_get_status(&priv->usb)); spin_unlock_irqrestore(&priv->lock, flags); break; case USB_PORT_FEAT_C_ENABLE: dev_dbg(dev, " C_ENABLE\n"); - /* Clears the driver's internal Port Enable/Disable Change flag */ + /* + * Clears the driver's internal Port Enable/Disable + * Change flag. + */ spin_lock_irqsave(&priv->lock, flags); cvmx_usb_set_status(&priv->usb, cvmx_usb_get_status(&priv->usb)); spin_unlock_irqrestore(&priv->lock, flags); break; case USB_PORT_FEAT_C_SUSPEND: dev_dbg(dev, " C_SUSPEND\n"); - /* Clears the driver's internal Port Suspend Change flag, - which is set when resume signaling on the host port is - complete */ + /* + * Clears the driver's internal Port Suspend Change + * flag, which is set when resume signaling on the host + * port is complete. + */ break; case USB_PORT_FEAT_C_OVER_CURRENT: dev_dbg(dev, " C_OVER_CURRENT\n"); @@ -654,8 +682,10 @@ static int octeon_usb_driver_probe(struct device *dev) struct usb_hcd *hcd; unsigned long flags; - /* Set the DMA mask to 64bits so we get buffers already translated for - DMA */ + /* + * Set the DMA mask to 64bits so we get buffers already translated for + * DMA. + */ dev->coherent_dma_mask = ~0; dev->dma_mask = &dev->coherent_dma_mask; |