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usb-storage: Modify and export adjust_quirks so that it can be used by uas

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Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Hans de Goede 2013-11-16 12:09:39 +01:00 committed by Sarah Sharp
parent 5bfd5b5d8b
commit d24d481b7d
2 changed files with 13 additions and 6 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

16
drivers/usb/storage/usb.c
View file

@ -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");

3
drivers/usb/storage/usb.h
View file

@ -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