diff options
Diffstat (limited to 'drivers/usb/class/usbtmc.c')
| -rw-r--r-- | drivers/usb/class/usbtmc.c | 56 |
1 files changed, 21 insertions, 35 deletions
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 2473cf0c6b1d..7c5f4e32c920 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1,5 +1,5 @@ /** - * drivers/usb/class/usbtmc.c - USB Test & Measurment class driver + * drivers/usb/class/usbtmc.c - USB Test & Measurement class driver * * Copyright (C) 2007 Stefan Kopp, Gechingen, Germany * Copyright (C) 2008 Novell, Inc. @@ -347,13 +347,8 @@ usbtmc_abort_bulk_out_check_status: goto exit; usbtmc_abort_bulk_out_clear_halt: - rv = usb_control_msg(data->usb_dev, - usb_sndctrlpipe(data->usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_DIR_OUT | USB_TYPE_STANDARD | - USB_RECIP_ENDPOINT, - USB_ENDPOINT_HALT, data->bulk_out, buffer, - 0, USBTMC_TIMEOUT); + rv = usb_clear_halt(data->usb_dev, + usb_sndbulkpipe(data->usb_dev, data->bulk_out)); if (rv < 0) { dev_err(dev, "usb_control_msg returned %d\n", rv); @@ -562,10 +557,16 @@ static ssize_t usbtmc_write(struct file *filp, const char __user *buf, n_bytes = roundup(12 + this_part, 4); memset(buffer + 12 + this_part, 0, n_bytes - (12 + this_part)); - retval = usb_bulk_msg(data->usb_dev, - usb_sndbulkpipe(data->usb_dev, - data->bulk_out), - buffer, n_bytes, &actual, USBTMC_TIMEOUT); + do { + retval = usb_bulk_msg(data->usb_dev, + usb_sndbulkpipe(data->usb_dev, + data->bulk_out), + buffer, n_bytes, + &actual, USBTMC_TIMEOUT); + if (retval != 0) + break; + n_bytes -= actual; + } while (n_bytes); data->bTag_last_write = data->bTag; data->bTag++; @@ -702,14 +703,8 @@ usbtmc_clear_check_status: usbtmc_clear_bulk_out_halt: - rv = usb_control_msg(data->usb_dev, - usb_sndctrlpipe(data->usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_DIR_OUT | USB_TYPE_STANDARD | - USB_RECIP_ENDPOINT, - USB_ENDPOINT_HALT, - data->bulk_out, buffer, 0, - USBTMC_TIMEOUT); + rv = usb_clear_halt(data->usb_dev, + usb_sndbulkpipe(data->usb_dev, data->bulk_out)); if (rv < 0) { dev_err(dev, "usb_control_msg returned %d\n", rv); goto exit; @@ -730,13 +725,8 @@ static int usbtmc_ioctl_clear_out_halt(struct usbtmc_device_data *data) if (!buffer) return -ENOMEM; - rv = usb_control_msg(data->usb_dev, - usb_sndctrlpipe(data->usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_DIR_OUT | USB_TYPE_STANDARD | - USB_RECIP_ENDPOINT, - USB_ENDPOINT_HALT, data->bulk_out, - buffer, 0, USBTMC_TIMEOUT); + rv = usb_clear_halt(data->usb_dev, + usb_sndbulkpipe(data->usb_dev, data->bulk_out)); if (rv < 0) { dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n", @@ -759,12 +749,8 @@ static int usbtmc_ioctl_clear_in_halt(struct usbtmc_device_data *data) if (!buffer) return -ENOMEM; - rv = usb_control_msg(data->usb_dev, usb_sndctrlpipe(data->usb_dev, 0), - USB_REQ_CLEAR_FEATURE, - USB_DIR_OUT | USB_TYPE_STANDARD | - USB_RECIP_ENDPOINT, - USB_ENDPOINT_HALT, data->bulk_in, buffer, 0, - USBTMC_TIMEOUT); + rv = usb_clear_halt(data->usb_dev, + usb_rcvbulkpipe(data->usb_dev, data->bulk_in)); if (rv < 0) { dev_err(&data->usb_dev->dev, "usb_control_msg returned %d\n", @@ -1109,13 +1095,13 @@ static void usbtmc_disconnect(struct usb_interface *intf) kref_put(&data->kref, usbtmc_delete); } -static int usbtmc_suspend (struct usb_interface *intf, pm_message_t message) +static int usbtmc_suspend(struct usb_interface *intf, pm_message_t message) { /* this driver does not have pending URBs */ return 0; } -static int usbtmc_resume (struct usb_interface *intf) +static int usbtmc_resume(struct usb_interface *intf) { return 0; } |