diff options
author | Bart Westgeest <bart@elbrys.com> | 2012-10-10 13:34:27 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-22 13:36:29 -0700 |
commit | c7f0089931dfaefba81001c88449250867582ba6 (patch) | |
tree | 981b5dc7271586a0ab4cddbbbca1d23548857f52 /drivers/staging/usbip | |
parent | 20960faca5a0b3acb05a619bd5bfa6dd9bee111a (diff) | |
download | op-kernel-dev-c7f0089931dfaefba81001c88449250867582ba6.zip op-kernel-dev-c7f0089931dfaefba81001c88449250867582ba6.tar.gz |
staging: usbip: cleanup of comments
Removed commented-out code, obsolete comments, and fixed comment typos.
Signed-off-by: Bart Westgeest <bart@elbrys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/usbip')
-rw-r--r-- | drivers/staging/usbip/stub_dev.c | 10 | ||||
-rw-r--r-- | drivers/staging/usbip/stub_rx.c | 5 | ||||
-rw-r--r-- | drivers/staging/usbip/stub_tx.c | 1 | ||||
-rw-r--r-- | drivers/staging/usbip/usbip_common.c | 13 | ||||
-rw-r--r-- | drivers/staging/usbip/vhci_hcd.c | 36 | ||||
-rw-r--r-- | drivers/staging/usbip/vhci_rx.c | 2 |
6 files changed, 12 insertions, 55 deletions
diff --git a/drivers/staging/usbip/stub_dev.c b/drivers/staging/usbip/stub_dev.c index c8d79a7..1e1eb4c 100644 --- a/drivers/staging/usbip/stub_dev.c +++ b/drivers/staging/usbip/stub_dev.c @@ -477,19 +477,17 @@ static void stub_disconnect(struct usb_interface *interface) /* get stub_device */ if (!sdev) { dev_err(&interface->dev, "could not get device"); - /* BUG(); */ return; } usb_set_intfdata(interface, NULL); /* - * NOTE: - * rx/tx threads are invoked for each usb_device. + * NOTE: rx/tx threads are invoked for each usb_device. */ stub_remove_files(&interface->dev); - /*If usb reset called from event handler*/ + /* If usb reset is called from event handler */ if (busid_priv->sdev->ud.eh == current) { busid_priv->interf_count--; return; @@ -504,13 +502,13 @@ static void stub_disconnect(struct usb_interface *interface) busid_priv->interf_count = 0; - /* 1. shutdown the current connection */ + /* shutdown the current connection */ shutdown_busid(busid_priv); usb_put_dev(sdev->udev); usb_put_intf(interface); - /* 3. free sdev */ + /* free sdev */ busid_priv->sdev = NULL; stub_device_free(sdev); diff --git a/drivers/staging/usbip/stub_rx.c b/drivers/staging/usbip/stub_rx.c index 694cfd7..0572a15 100644 --- a/drivers/staging/usbip/stub_rx.c +++ b/drivers/staging/usbip/stub_rx.c @@ -164,7 +164,6 @@ static int tweak_set_configuration_cmd(struct urb *urb) config, dev_name(&urb->dev->dev)); return 0; - /* return usb_driver_set_configuration(urb->dev, config); */ } static int tweak_reset_device_cmd(struct urb *urb) @@ -480,7 +479,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, return; } - /* set priv->urb->transfer_buffer */ + /* allocate urb transfer buffer, if needed */ if (pdu->u.cmd_submit.transfer_buffer_length > 0) { priv->urb->transfer_buffer = kzalloc(pdu->u.cmd_submit.transfer_buffer_length, @@ -492,7 +491,7 @@ static void stub_recv_cmd_submit(struct stub_device *sdev, } } - /* set priv->urb->setup_packet */ + /* copy urb setup packet */ priv->urb->setup_packet = kmemdup(&pdu->u.cmd_submit.setup, 8, GFP_KERNEL); if (!priv->urb->setup_packet) { diff --git a/drivers/staging/usbip/stub_tx.c b/drivers/staging/usbip/stub_tx.c index 1c37b5d..513961f 100644 --- a/drivers/staging/usbip/stub_tx.c +++ b/drivers/staging/usbip/stub_tx.c @@ -192,7 +192,6 @@ static int stub_send_ret_submit(struct stub_device *sdev) setup_ret_submit_pdu(&pdu_header, urb); usbip_dbg_stub_tx("setup txdata seqnum: %d urb: %p\n", pdu_header.base.seqnum, urb); - /*usbip_dump_header(pdu_header);*/ usbip_header_correct_endian(&pdu_header, 1); iov[iovnum].iov_base = &pdu_header; diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c index ec7a885..4a10034 100644 --- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/staging/usbip/usbip_common.c @@ -439,7 +439,6 @@ static void usbip_pack_cmd_submit(struct usbip_header *pdu, struct urb *urb, * will be discussed when usbip is ported to other operating systems. */ if (pack) { - /* vhci_tx.c */ spdu->transfer_flags = tweak_transfer_flags(urb->transfer_flags); spdu->transfer_buffer_length = urb->transfer_buffer_length; @@ -447,9 +446,7 @@ static void usbip_pack_cmd_submit(struct usbip_header *pdu, struct urb *urb, spdu->number_of_packets = urb->number_of_packets; spdu->interval = urb->interval; } else { - /* stub_rx.c */ urb->transfer_flags = spdu->transfer_flags; - urb->transfer_buffer_length = spdu->transfer_buffer_length; urb->start_frame = spdu->start_frame; urb->number_of_packets = spdu->number_of_packets; @@ -463,16 +460,12 @@ static void usbip_pack_ret_submit(struct usbip_header *pdu, struct urb *urb, struct usbip_header_ret_submit *rpdu = &pdu->u.ret_submit; if (pack) { - /* stub_tx.c */ - rpdu->status = urb->status; rpdu->actual_length = urb->actual_length; rpdu->start_frame = urb->start_frame; rpdu->number_of_packets = urb->number_of_packets; rpdu->error_count = urb->error_count; } else { - /* vhci_rx.c */ - urb->status = rpdu->status; urb->actual_length = rpdu->actual_length; urb->start_frame = rpdu->start_frame; @@ -678,8 +671,6 @@ int usbip_recv_iso(struct usbip_device *ud, struct urb *urb) /* my Bluetooth dongle gets ISO URBs which are np = 0 */ if (np == 0) { - /* pr_info("iso np == 0\n"); */ - /* usbip_dump_urb(urb); */ return 0; } @@ -751,7 +742,7 @@ void usbip_pad_iso(struct usbip_device *ud, struct urb *urb) /* * if actual_length is transfer_buffer_length then no padding is * present. - */ + */ if (urb->actual_length == urb->transfer_buffer_length) return; @@ -775,14 +766,12 @@ int usbip_recv_xbuff(struct usbip_device *ud, struct urb *urb) int size; if (ud->side == USBIP_STUB) { - /* stub_rx.c */ /* the direction of urb must be OUT. */ if (usb_pipein(urb->pipe)) return 0; size = urb->transfer_buffer_length; } else { - /* vhci_rx.c */ /* the direction of urb must be IN. */ if (usb_pipeout(urb->pipe)) return 0; diff --git a/drivers/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c index f6ba22d..a614378 100644 --- a/drivers/staging/usbip/vhci_hcd.c +++ b/drivers/staging/usbip/vhci_hcd.c @@ -140,10 +140,6 @@ void rh_port_connect(int rhport, enum usb_device_speed speed) break; } - /* spin_lock(&the_controller->vdev[rhport].ud.lock); - * the_controller->vdev[rhport].ud.status = VDEV_CONNECT; - * spin_unlock(&the_controller->vdev[rhport].ud.lock); */ - spin_unlock_irqrestore(&the_controller->lock, flags); usb_hcd_poll_rh_status(vhci_to_hcd(the_controller)); @@ -156,16 +152,11 @@ static void rh_port_disconnect(int rhport) usbip_dbg_vhci_rh("rh_port_disconnect %d\n", rhport); spin_lock_irqsave(&the_controller->lock, flags); - /* stop_activity(dum, driver); */ + the_controller->port_status[rhport] &= ~USB_PORT_STAT_CONNECTION; the_controller->port_status[rhport] |= (1 << USB_PORT_FEAT_C_CONNECTION); - /* not yet complete the disconnection - * spin_lock(&vdev->ud.lock); - * vdev->ud.status = VHC_ST_DISCONNECT; - * spin_unlock(&vdev->ud.lock); */ - spin_unlock_irqrestore(&the_controller->lock, flags); usb_hcd_poll_rh_status(vhci_to_hcd(the_controller)); } @@ -228,7 +219,6 @@ done: return changed ? retval : 0; } -/* See hub_configure in hub.c */ static inline void hub_descriptor(struct usb_hub_descriptor *desc) { memset(desc, 0, sizeof(*desc)); @@ -292,8 +282,6 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, usbip_dbg_vhci_rh(" ClearPortFeature: " "USB_PORT_FEAT_POWER\n"); dum->port_status[rhport] = 0; - /* dum->address = 0; */ - /* dum->hdev = 0; */ dum->resuming = 0; break; case USB_PORT_FEAT_C_RESET: @@ -333,11 +321,11 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, retval = -EPIPE; } - /* we do no care of resume. */ + /* we do not care about resume. */ /* whoever resets or resumes must GetPortStatus to * complete it!! - * */ + */ if (dum->resuming && time_after(jiffies, dum->re_timeout)) { dum->port_status[rhport] |= (1 << USB_PORT_FEAT_C_SUSPEND); @@ -345,11 +333,6 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, ~(1 << USB_PORT_FEAT_SUSPEND); dum->resuming = 0; dum->re_timeout = 0; - /* if (dum->driver && dum->driver->resume) { - * spin_unlock (&dum->lock); - * dum->driver->resume (&dum->gadget); - * spin_lock (&dum->lock); - * } */ } if ((dum->port_status[rhport] & (1 << USB_PORT_FEAT_RESET)) != @@ -411,9 +394,6 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, default: pr_err("default: no such request\n"); - /* dev_dbg (hardware, - * "hub control req%04x v%04x i%04x l%d\n", - * typeReq, wValue, wIndex, wLength); */ /* "protocol stall" on error */ retval = -EPIPE; @@ -456,7 +436,6 @@ static void vhci_tx_urb(struct urb *urb) if (!vdev) { pr_err("could not get virtual device"); - /* BUG(); */ return; } @@ -813,7 +792,7 @@ static void vhci_shutdown_connection(struct usbip_device *ud) kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR); } - /* kill threads related to this sdev, if v.c. exists */ + /* kill threads related to this sdev */ if (vdev->ud.tcp_rx) { kthread_stop_put(vdev->ud.tcp_rx); vdev->ud.tcp_rx = NULL; @@ -976,8 +955,6 @@ static int vhci_bus_suspend(struct usb_hcd *hcd) dev_dbg(&hcd->self.root_hub->dev, "%s\n", __func__); spin_lock_irq(&vhci->lock); - /* vhci->rh_state = DUMMY_RH_SUSPENDED; - * set_link_state(vhci); */ hcd->state = HC_STATE_SUSPENDED; spin_unlock_irq(&vhci->lock); @@ -995,10 +972,6 @@ static int vhci_bus_resume(struct usb_hcd *hcd) if (!HCD_HW_ACCESSIBLE(hcd)) { rc = -ESHUTDOWN; } else { - /* vhci->rh_state = DUMMY_RH_RUNNING; - * set_link_state(vhci); - * if (!list_empty(&vhci->urbp_list)) - * mod_timer(&vhci->timer, jiffies); */ hcd->state = HC_STATE_RUNNING; } spin_unlock_irq(&vhci->lock); @@ -1175,7 +1148,6 @@ static struct platform_device the_pdev = { .name = (char *) driver_name, .id = -1, .dev = { - /* .driver = &vhci_driver, */ .release = the_pdev_release, }, }; diff --git a/drivers/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c index f0eaf04f..ba5f1c0 100644 --- a/drivers/staging/usbip/vhci_rx.c +++ b/drivers/staging/usbip/vhci_rx.c @@ -167,7 +167,7 @@ static void vhci_recv_ret_unlink(struct vhci_device *vdev, } else { usbip_dbg_vhci_rx("now giveback urb %p\n", urb); - /* If unlink is succeed, status is -ECONNRESET */ + /* If unlink is successful, status is -ECONNRESET */ urb->status = pdu->u.ret_unlink.status; pr_info("urb->status %d\n", urb->status); |