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authorHans de Goede <hdegoede@redhat.com>2013-11-16 12:09:39 +0100
committerSarah Sharp <sarah.a.sharp@linux.intel.com>2014-03-04 15:38:17 -0800
commitd24d481b7d369b08cce734bf80be374eed5a6e58 (patch)
tree8def87abdde178c6eb0b9f96a865ebc198e0e0e6 /drivers/usb/storage
parent5bfd5b5d8b9cd9e8ba1709f2b9dc35bd4b26c8b1 (diff)
usb-storage: Modify and export adjust_quirks so that it can be used by uas
Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb/storage')
-rw-r--r--drivers/usb/storage/usb.c16
-rw-r--r--drivers/usb/storage/usb.h3
2 files changed, 13 insertions, 6 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 388f567524d8..f1c96261a501 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -463,14 +463,14 @@ static int associate_dev(struct us_data *us, struct usb_interface *intf)
#define TOLOWER(x) ((x) | 0x20)
/* Adjust device flags based on the "quirks=" module parameter */
-static void adjust_quirks(struct us_data *us)
+void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags)
{
char *p;
- u16 vid = le16_to_cpu(us->pusb_dev->descriptor.idVendor);
- u16 pid = le16_to_cpu(us->pusb_dev->descriptor.idProduct);
+ u16 vid = le16_to_cpu(udev->descriptor.idVendor);
+ u16 pid = le16_to_cpu(udev->descriptor.idProduct);
unsigned f = 0;
unsigned int mask = (US_FL_SANE_SENSE | US_FL_BAD_SENSE |
- US_FL_FIX_CAPACITY |
+ US_FL_FIX_CAPACITY | US_FL_IGNORE_UAS |
US_FL_CAPACITY_HEURISTICS | US_FL_IGNORE_DEVICE |
US_FL_NOT_LOCKABLE | US_FL_MAX_SECTORS_64 |
US_FL_CAPACITY_OK | US_FL_IGNORE_RESIDUE |
@@ -541,14 +541,18 @@ static void adjust_quirks(struct us_data *us)
case 's':
f |= US_FL_SINGLE_LUN;
break;
+ case 'u':
+ f |= US_FL_IGNORE_UAS;
+ break;
case 'w':
f |= US_FL_NO_WP_DETECT;
break;
/* Ignore unrecognized flag characters */
}
}
- us->fflags = (us->fflags & ~mask) | f;
+ *fflags = (*fflags & ~mask) | f;
}
+EXPORT_SYMBOL_GPL(usb_stor_adjust_quirks);
/* Get the unusual_devs entries and the string descriptors */
static int get_device_info(struct us_data *us, const struct usb_device_id *id,
@@ -568,7 +572,7 @@ static int get_device_info(struct us_data *us, const struct usb_device_id *id,
idesc->bInterfaceProtocol :
unusual_dev->useTransport;
us->fflags = id->driver_info;
- adjust_quirks(us);
+ usb_stor_adjust_quirks(us->pusb_dev, &us->fflags);
if (us->fflags & US_FL_IGNORE_DEVICE) {
dev_info(pdev, "device ignored\n");
diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h
index 75f70f04f37b..307e339a9478 100644
--- a/drivers/usb/storage/usb.h
+++ b/drivers/usb/storage/usb.h
@@ -201,4 +201,7 @@ extern int usb_stor_probe1(struct us_data **pus,
extern int usb_stor_probe2(struct us_data *us);
extern void usb_stor_disconnect(struct usb_interface *intf);
+extern void usb_stor_adjust_quirks(struct usb_device *dev,
+ unsigned long *fflags);
+
#endif