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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.c87
1 files changed, 44 insertions, 43 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index bbeeb92..a7d0bf9 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -407,15 +407,14 @@ static int associate_dev(struct us_data *us, struct usb_interface *intf)
/* Store our private data in the interface */
usb_set_intfdata(intf, us);
- /* Allocate the device-related DMA-mapped buffers */
- us->cr = usb_buffer_alloc(us->pusb_dev, sizeof(*us->cr),
- GFP_KERNEL, &us->cr_dma);
+ /* 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");
return -ENOMEM;
}
- us->iobuf = usb_buffer_alloc(us->pusb_dev, US_IOBUF_SIZE,
+ 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");
@@ -499,9 +498,6 @@ static void adjust_quirks(struct us_data *us)
}
}
us->fflags = (us->fflags & ~mask) | f;
- dev_info(&us->pusb_intf->dev, "Quirks match for "
- "vid %04x pid %04x: %x\n",
- vid, pid, f);
}
/* Get the unusual_devs entries and the string descriptors */
@@ -511,6 +507,7 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id,
struct usb_device *dev = us->pusb_dev;
struct usb_interface_descriptor *idesc =
&us->pusb_intf->cur_altsetting->desc;
+ struct device *pdev = &us->pusb_intf->dev;
/* Store the entries */
us->unusual_dev = unusual_dev;
@@ -524,7 +521,7 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id,
adjust_quirks(us);
if (us->fflags & US_FL_IGNORE_DEVICE) {
- printk(KERN_INFO USB_STORAGE "device ignored\n");
+ dev_info(pdev, "device ignored\n");
return -ENODEV;
}
@@ -535,6 +532,12 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id,
if (dev->speed != USB_SPEED_HIGH)
us->fflags &= ~US_FL_GO_SLOW;
+ if (us->fflags)
+ dev_info(pdev, "Quirks match for vid %04x pid %04x: %lx\n",
+ le16_to_cpu(dev->descriptor.idVendor),
+ le16_to_cpu(dev->descriptor.idProduct),
+ us->fflags);
+
/* Log a message if a non-generic unusual_dev entry contains an
* unnecessary subclass or protocol override. This may stimulate
* reports from users that will help us remove unneeded entries
@@ -555,20 +558,20 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id,
us->protocol == idesc->bInterfaceProtocol)
msg += 2;
if (msg >= 0 && !(us->fflags & US_FL_NEED_OVERRIDE))
- printk(KERN_NOTICE USB_STORAGE "This device "
- "(%04x,%04x,%04x S %02x P %02x)"
- " has %s in unusual_devs.h (kernel"
- " %s)\n"
- " Please send a copy of this message to "
- "<linux-usb@vger.kernel.org> and "
- "<usb-storage@lists.one-eyed-alien.net>\n",
- le16_to_cpu(ddesc->idVendor),
- le16_to_cpu(ddesc->idProduct),
- le16_to_cpu(ddesc->bcdDevice),
- idesc->bInterfaceSubClass,
- idesc->bInterfaceProtocol,
- msgs[msg],
- utsname()->release);
+ dev_notice(pdev, "This device "
+ "(%04x,%04x,%04x S %02x P %02x)"
+ " has %s in unusual_devs.h (kernel"
+ " %s)\n"
+ " Please send a copy of this message to "
+ "<linux-usb@vger.kernel.org> and "
+ "<usb-storage@lists.one-eyed-alien.net>\n",
+ le16_to_cpu(ddesc->idVendor),
+ le16_to_cpu(ddesc->idProduct),
+ le16_to_cpu(ddesc->bcdDevice),
+ idesc->bInterfaceSubClass,
+ idesc->bInterfaceProtocol,
+ msgs[msg],
+ utsname()->release);
}
return 0;
@@ -718,8 +721,8 @@ static int usb_stor_acquire_resources(struct us_data *us)
/* Start up our control thread */
th = kthread_run(usb_stor_control_thread, us, "usb-storage");
if (IS_ERR(th)) {
- printk(KERN_WARNING USB_STORAGE
- "Unable to start control thread\n");
+ dev_warn(&us->pusb_intf->dev,
+ "Unable to start control thread\n");
return PTR_ERR(th);
}
us->ctl_thread = th;
@@ -757,13 +760,9 @@ static void dissociate_dev(struct us_data *us)
{
US_DEBUGP("-- %s\n", __func__);
- /* Free the device-related DMA-mapped buffers */
- if (us->cr)
- usb_buffer_free(us->pusb_dev, sizeof(*us->cr), us->cr,
- us->cr_dma);
- if (us->iobuf)
- usb_buffer_free(us->pusb_dev, US_IOBUF_SIZE, us->iobuf,
- us->iobuf_dma);
+ /* Free the buffers */
+ kfree(us->cr);
+ usb_free_coherent(us->pusb_dev, US_IOBUF_SIZE, us->iobuf, us->iobuf_dma);
/* Remove our private data from the interface */
usb_set_intfdata(us->pusb_intf, NULL);
@@ -816,13 +815,14 @@ static void release_everything(struct us_data *us)
static int usb_stor_scan_thread(void * __us)
{
struct us_data *us = (struct us_data *)__us;
+ struct device *dev = &us->pusb_intf->dev;
- dev_dbg(&us->pusb_intf->dev, "device found\n");
+ dev_dbg(dev, "device found\n");
set_freezable();
/* Wait for the timeout to expire or for a disconnect */
if (delay_use > 0) {
- dev_dbg(&us->pusb_intf->dev, "waiting for device to settle "
+ dev_dbg(dev, "waiting for device to settle "
"before scanning\n");
wait_event_freezable_timeout(us->delay_wait,
test_bit(US_FLIDX_DONT_SCAN, &us->dflags),
@@ -840,7 +840,7 @@ static int usb_stor_scan_thread(void * __us)
mutex_unlock(&us->dev_mutex);
}
scsi_scan_host(us_to_host(us));
- dev_dbg(&us->pusb_intf->dev, "scan complete\n");
+ dev_dbg(dev, "scan complete\n");
/* Should we unbind if no devices were detected? */
}
@@ -876,8 +876,8 @@ int usb_stor_probe1(struct us_data **pus,
*/
host = scsi_host_alloc(&usb_stor_host_template, sizeof(*us));
if (!host) {
- printk(KERN_WARNING USB_STORAGE
- "Unable to allocate the scsi host\n");
+ dev_warn(&intf->dev,
+ "Unable to allocate the scsi host\n");
return -ENOMEM;
}
@@ -925,6 +925,7 @@ int usb_stor_probe2(struct us_data *us)
{
struct task_struct *th;
int result;
+ struct device *dev = &us->pusb_intf->dev;
/* Make sure the transport and protocol have both been set */
if (!us->transport || !us->proto_handler) {
@@ -949,18 +950,18 @@ int usb_stor_probe2(struct us_data *us)
goto BadDevice;
snprintf(us->scsi_name, sizeof(us->scsi_name), "usb-storage %s",
dev_name(&us->pusb_intf->dev));
- result = scsi_add_host(us_to_host(us), &us->pusb_intf->dev);
+ result = scsi_add_host(us_to_host(us), dev);
if (result) {
- printk(KERN_WARNING USB_STORAGE
- "Unable to add the scsi host\n");
+ dev_warn(dev,
+ "Unable to add the scsi host\n");
goto BadDevice;
}
/* Start up the thread for delayed SCSI-device scanning */
th = kthread_create(usb_stor_scan_thread, us, "usb-stor-scan");
if (IS_ERR(th)) {
- printk(KERN_WARNING USB_STORAGE
- "Unable to start the device-scanning thread\n");
+ dev_warn(dev,
+ "Unable to start the device-scanning thread\n");
complete(&us->scanning_done);
quiesce_and_remove_host(us);
result = PTR_ERR(th);
@@ -1046,12 +1047,12 @@ static int __init usb_stor_init(void)
{
int retval;
- printk(KERN_INFO "Initializing USB Mass Storage driver...\n");
+ 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) {
- printk(KERN_INFO "USB Mass Storage support registered.\n");
+ pr_info("USB Mass Storage support registered.\n");
usb_usual_set_present(USB_US_TYPE_STOR);
}
return retval;
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