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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.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index 1c0b89f2a138..f1c96261a501 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -72,6 +72,10 @@
#include "sierra_ms.h"
#include "option_ms.h"
+#if IS_ENABLED(CONFIG_USB_UAS)
+#include "uas-detect.h"
+#endif
+
/* Some informational data */
MODULE_AUTHOR("Matthew Dharm <mdharm-usb@one-eyed-alien.net>");
MODULE_DESCRIPTION("USB Mass Storage driver for Linux");
@@ -459,14 +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 |
@@ -537,14 +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,
@@ -564,7 +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");
@@ -1035,6 +1043,12 @@ static int storage_probe(struct usb_interface *intf,
int result;
int size;
+ /* If uas is enabled and this device can do uas then ignore it. */
+#if IS_ENABLED(CONFIG_USB_UAS)
+ if (uas_use_uas_driver(intf, id))
+ return -ENXIO;
+#endif
+
/*
* If the device isn't standard (is handled by a subdriver
* module) then don't accept it.