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path: root/drivers/usb/storage/usb.c
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Diffstat (limited to 'drivers/usb/storage/usb.c')
-rw-r--r--drivers/usb/storage/usb.c117
1 files changed, 34 insertions, 83 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index d6bee407af0..5c4fe0749af 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -183,7 +183,6 @@ int usb_stor_suspend(struct usb_interface *iface, pm_message_t message)
/* Wait until no command is running */
mutex_lock(&us->dev_mutex);
- US_DEBUGP("%s\n", __func__);
if (us->suspend_resume_hook)
(us->suspend_resume_hook)(us, US_SUSPEND);
@@ -201,7 +200,6 @@ int usb_stor_resume(struct usb_interface *iface)
mutex_lock(&us->dev_mutex);
- US_DEBUGP("%s\n", __func__);
if (us->suspend_resume_hook)
(us->suspend_resume_hook)(us, US_RESUME);
@@ -214,8 +212,6 @@ int usb_stor_reset_resume(struct usb_interface *iface)
{
struct us_data *us = usb_get_intfdata(iface);
- US_DEBUGP("%s\n", __func__);
-
/* Report the reset to the SCSI core */
usb_stor_report_bus_reset(us);
@@ -236,8 +232,6 @@ int usb_stor_pre_reset(struct usb_interface *iface)
{
struct us_data *us = usb_get_intfdata(iface);
- US_DEBUGP("%s\n", __func__);
-
/* Make sure no command runs during the reset */
mutex_lock(&us->dev_mutex);
return 0;
@@ -248,8 +242,6 @@ int usb_stor_post_reset(struct usb_interface *iface)
{
struct us_data *us = usb_get_intfdata(iface);
- US_DEBUGP("%s\n", __func__);
-
/* Report the reset to the SCSI core */
usb_stor_report_bus_reset(us);
@@ -311,11 +303,11 @@ static int usb_stor_control_thread(void * __us)
struct Scsi_Host *host = us_to_host(us);
for (;;) {
- US_DEBUGP("*** thread sleeping.\n");
+ usb_stor_dbg(us, "*** thread sleeping\n");
if (wait_for_completion_interruptible(&us->cmnd_ready))
break;
- US_DEBUGP("*** thread awakened.\n");
+ usb_stor_dbg(us, "*** thread awakened\n");
/* lock the device pointers */
mutex_lock(&(us->dev_mutex));
@@ -327,7 +319,7 @@ static int usb_stor_control_thread(void * __us)
if (us->srb == NULL) {
scsi_unlock(host);
mutex_unlock(&us->dev_mutex);
- US_DEBUGP("-- exiting\n");
+ usb_stor_dbg(us, "-- exiting\n");
break;
}
@@ -343,7 +335,7 @@ static int usb_stor_control_thread(void * __us)
* is UNKNOWN
*/
if (us->srb->sc_data_direction == DMA_BIDIRECTIONAL) {
- US_DEBUGP("UNKNOWN data direction\n");
+ usb_stor_dbg(us, "UNKNOWN data direction\n");
us->srb->result = DID_ERROR << 16;
}
@@ -352,14 +344,14 @@ static int usb_stor_control_thread(void * __us)
*/
else if (us->srb->device->id &&
!(us->fflags & US_FL_SCM_MULT_TARG)) {
- US_DEBUGP("Bad target number (%d:%d)\n",
- us->srb->device->id, us->srb->device->lun);
+ usb_stor_dbg(us, "Bad target number (%d:%d)\n",
+ us->srb->device->id, us->srb->device->lun);
us->srb->result = DID_BAD_TARGET << 16;
}
else if (us->srb->device->lun > us->max_lun) {
- US_DEBUGP("Bad LUN (%d:%d)\n",
- us->srb->device->id, us->srb->device->lun);
+ usb_stor_dbg(us, "Bad LUN (%d:%d)\n",
+ us->srb->device->id, us->srb->device->lun);
us->srb->result = DID_BAD_TARGET << 16;
}
@@ -371,14 +363,14 @@ static int usb_stor_control_thread(void * __us)
0x00, 0x80, 0x02, 0x02,
0x1F, 0x00, 0x00, 0x00};
- US_DEBUGP("Faking INQUIRY command\n");
+ usb_stor_dbg(us, "Faking INQUIRY command\n");
fill_inquiry_response(us, data_ptr, 36);
us->srb->result = SAM_STAT_GOOD;
}
/* we've got a command, let's do it! */
else {
- US_DEBUG(usb_stor_show_command(us->srb));
+ US_DEBUG(usb_stor_show_command(us, us->srb));
us->proto_handler(us->srb, us);
usb_mark_last_busy(us->pusb_dev);
}
@@ -388,12 +380,12 @@ static int usb_stor_control_thread(void * __us)
/* indicate that the command is done */
if (us->srb->result != DID_ABORT << 16) {
- US_DEBUGP("scsi cmd done, result=0x%x\n",
- us->srb->result);
+ usb_stor_dbg(us, "scsi cmd done, result=0x%x\n",
+ us->srb->result);
us->srb->scsi_done(us->srb);
} else {
SkipForAbort:
- US_DEBUGP("scsi command aborted\n");
+ usb_stor_dbg(us, "scsi command aborted\n");
}
/* If an abort request was received we need to signal that
@@ -435,34 +427,30 @@ SkipForAbort:
/* Associate our private data with the USB device */
static int associate_dev(struct us_data *us, struct usb_interface *intf)
{
- US_DEBUGP("-- %s\n", __func__);
-
/* Fill in the device-related fields */
us->pusb_dev = interface_to_usbdev(intf);
us->pusb_intf = intf;
us->ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
- US_DEBUGP("Vendor: 0x%04x, Product: 0x%04x, Revision: 0x%04x\n",
- le16_to_cpu(us->pusb_dev->descriptor.idVendor),
- le16_to_cpu(us->pusb_dev->descriptor.idProduct),
- le16_to_cpu(us->pusb_dev->descriptor.bcdDevice));
- US_DEBUGP("Interface Subclass: 0x%02x, Protocol: 0x%02x\n",
- intf->cur_altsetting->desc.bInterfaceSubClass,
- intf->cur_altsetting->desc.bInterfaceProtocol);
+ usb_stor_dbg(us, "Vendor: 0x%04x, Product: 0x%04x, Revision: 0x%04x\n",
+ le16_to_cpu(us->pusb_dev->descriptor.idVendor),
+ le16_to_cpu(us->pusb_dev->descriptor.idProduct),
+ le16_to_cpu(us->pusb_dev->descriptor.bcdDevice));
+ usb_stor_dbg(us, "Interface Subclass: 0x%02x, Protocol: 0x%02x\n",
+ intf->cur_altsetting->desc.bInterfaceSubClass,
+ intf->cur_altsetting->desc.bInterfaceProtocol);
/* Store our private data in the interface */
usb_set_intfdata(intf, us);
/* Allocate the control/setup and DMA-mapped buffers */
us->cr = kmalloc(sizeof(*us->cr), GFP_KERNEL);
- if (!us->cr) {
- US_DEBUGP("usb_ctrlrequest allocation failed\n");
+ if (!us->cr)
return -ENOMEM;
- }
us->iobuf = usb_alloc_coherent(us->pusb_dev, US_IOBUF_SIZE,
GFP_KERNEL, &us->iobuf_dma);
if (!us->iobuf) {
- US_DEBUGP("I/O buffer allocation failed\n");
+ usb_stor_dbg(us, "I/O buffer allocation failed\n");
return -ENOMEM;
}
return 0;
@@ -738,7 +726,7 @@ static int get_pipes(struct us_data *us)
}
if (!ep_in || !ep_out || (us->protocol == USB_PR_CBI && !ep_int)) {
- US_DEBUGP("Endpoint sanity check failed! Rejecting dev.\n");
+ usb_stor_dbg(us, "Endpoint sanity check failed! Rejecting dev.\n");
return -EIO;
}
@@ -765,7 +753,7 @@ static int usb_stor_acquire_resources(struct us_data *us)
us->current_urb = usb_alloc_urb(0, GFP_KERNEL);
if (!us->current_urb) {
- US_DEBUGP("URB allocation failed\n");
+ usb_stor_dbg(us, "URB allocation failed\n");
return -ENOMEM;
}
@@ -792,20 +780,18 @@ static int usb_stor_acquire_resources(struct us_data *us)
/* Release all our dynamic resources */
static void usb_stor_release_resources(struct us_data *us)
{
- US_DEBUGP("-- %s\n", __func__);
-
/* Tell the control thread to exit. The SCSI host must
* already have been removed and the DISCONNECTING flag set
* so that we won't accept any more commands.
*/
- US_DEBUGP("-- sending exit command to thread\n");
+ usb_stor_dbg(us, "-- sending exit command to thread\n");
complete(&us->cmnd_ready);
if (us->ctl_thread)
kthread_stop(us->ctl_thread);
/* Call the destructor routine, if it exists */
if (us->extra_destructor) {
- US_DEBUGP("-- calling extra_destructor()\n");
+ usb_stor_dbg(us, "-- calling extra_destructor()\n");
us->extra_destructor(us->extra);
}
@@ -817,8 +803,6 @@ static void usb_stor_release_resources(struct us_data *us)
/* Dissociate from the USB device */
static void dissociate_dev(struct us_data *us)
{
- US_DEBUGP("-- %s\n", __func__);
-
/* Free the buffers */
kfree(us->cr);
usb_free_coherent(us->pusb_dev, US_IOBUF_SIZE, us->iobuf, us->iobuf_dma);
@@ -918,7 +902,7 @@ int usb_stor_probe1(struct us_data **pus,
struct us_data *us;
int result;
- US_DEBUGP("USB Mass Storage device detected\n");
+ dev_info(&intf->dev, "USB Mass Storage device detected\n");
/*
* Ask the SCSI layer to allocate a host structure, with extra
@@ -926,8 +910,7 @@ int usb_stor_probe1(struct us_data **pus,
*/
host = scsi_host_alloc(&usb_stor_host_template, sizeof(*us));
if (!host) {
- dev_warn(&intf->dev,
- "Unable to allocate the scsi host\n");
+ dev_warn(&intf->dev, "Unable to allocate the scsi host\n");
return -ENOMEM;
}
@@ -964,7 +947,7 @@ int usb_stor_probe1(struct us_data **pus,
return 0;
BadDevice:
- US_DEBUGP("storage_probe() failed\n");
+ usb_stor_dbg(us, "storage_probe() failed\n");
release_everything(us);
return result;
}
@@ -981,8 +964,8 @@ int usb_stor_probe2(struct us_data *us)
result = -ENXIO;
goto BadDevice;
}
- US_DEBUGP("Transport: %s\n", us->transport_name);
- US_DEBUGP("Protocol: %s\n", us->protocol_name);
+ usb_stor_dbg(us, "Transport: %s\n", us->transport_name);
+ usb_stor_dbg(us, "Protocol: %s\n", us->protocol_name);
/* fix for single-lun devices */
if (us->fflags & US_FL_SINGLE_LUN)
@@ -1028,7 +1011,7 @@ int usb_stor_probe2(struct us_data *us)
/* We come here if there are any problems */
BadDevice:
- US_DEBUGP("storage_probe() failed\n");
+ usb_stor_dbg(us, "storage_probe() failed\n");
release_everything(us);
return result;
}
@@ -1039,7 +1022,6 @@ void usb_stor_disconnect(struct usb_interface *intf)
{
struct us_data *us = usb_get_intfdata(intf);
- US_DEBUGP("storage_disconnect() called\n");
quiesce_and_remove_host(us);
release_everything(us);
}
@@ -1075,8 +1057,7 @@ static int storage_probe(struct usb_interface *intf,
} else {
unusual_dev = &for_dynamic_ids;
- US_DEBUGP("%s %s 0x%04x 0x%04x\n", "Use Bulk-Only transport",
- "with the Transparent SCSI protocol for dynamic id:",
+ dev_dbg(&intf->dev, "Use Bulk-Only transport with the Transparent SCSI protocol for dynamic id: 0x%04x 0x%04x\n",
id->idVendor, id->idProduct);
}
@@ -1090,10 +1071,6 @@ static int storage_probe(struct usb_interface *intf,
return result;
}
-/***********************************************************************
- * Initialization and registration
- ***********************************************************************/
-
static struct usb_driver usb_storage_driver = {
.name = "usb-storage",
.probe = storage_probe,
@@ -1108,30 +1085,4 @@ static struct usb_driver usb_storage_driver = {
.soft_unbind = 1,
};
-static int __init usb_stor_init(void)
-{
- int retval;
-
- pr_info("Initializing USB Mass Storage driver...\n");
-
- /* register the driver, return usb_register return code if error */
- retval = usb_register(&usb_storage_driver);
- if (retval == 0)
- pr_info("USB Mass Storage support registered.\n");
- return retval;
-}
-
-static void __exit usb_stor_exit(void)
-{
- US_DEBUGP("usb_stor_exit() called\n");
-
- /* Deregister the driver
- * This will cause disconnect() to be called for each
- * attached unit
- */
- US_DEBUGP("-- calling usb_deregister()\n");
- usb_deregister(&usb_storage_driver) ;
-}
-
-module_init(usb_stor_init);
-module_exit(usb_stor_exit);
+module_usb_driver(usb_storage_driver);
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-04 05:24:04 +0000