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-rw-r--r--drivers/usb/storage/scsiglue.c8
-rw-r--r--drivers/usb/storage/unusual_devs.h7
-rw-r--r--drivers/usb/storage/usb.c6
3 files changed, 20 insertions, 1 deletions
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index 33eb923df892..8cd2926fb1fe 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -296,6 +296,14 @@ static int slave_configure(struct scsi_device *sdev)
if (us->fflags & US_FL_BROKEN_FUA)
sdev->broken_fua = 1;
+ /* Some even totally fail to indicate a cache */
+ if (us->fflags & US_FL_ALWAYS_SYNC) {
+ /* don't read caching information */
+ sdev->skip_ms_page_8 = 1;
+ sdev->skip_ms_page_3f = 1;
+ /* assume sync is needed */
+ sdev->wce_default_on = 1;
+ }
} else {
/*
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index aa3539238848..af3c7eecff91 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -338,6 +338,13 @@ UNUSUAL_DEV( 0x046b, 0xff40, 0x0100, 0x0100,
USB_SC_DEVICE, USB_PR_DEVICE, NULL,
US_FL_NO_WP_DETECT),
+/* Reported by Egbert Eich <eich@suse.com> */
+UNUSUAL_DEV( 0x0480, 0xd010, 0x0100, 0x9999,
+ "Toshiba",
+ "External USB 3.0",
+ USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+ US_FL_ALWAYS_SYNC),
+
/* Patch submitted by Philipp Friedrich <philipp@void.at> */
UNUSUAL_DEV( 0x0482, 0x0100, 0x0100, 0x0100,
"Kyocera",
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index c8afd2d4c40b..2cba13a532cd 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -498,7 +498,8 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags)
US_FL_NO_READ_DISC_INFO | US_FL_NO_READ_CAPACITY_16 |
US_FL_INITIAL_READ10 | US_FL_WRITE_CACHE |
US_FL_NO_ATA_1X | US_FL_NO_REPORT_OPCODES |
- US_FL_MAX_SECTORS_240 | US_FL_NO_REPORT_LUNS);
+ US_FL_MAX_SECTORS_240 | US_FL_NO_REPORT_LUNS |
+ US_FL_ALWAYS_SYNC);
p = quirks;
while (*p) {
@@ -581,6 +582,9 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags)
case 'w':
f |= US_FL_NO_WP_DETECT;
break;
+ case 'y':
+ f |= US_FL_ALWAYS_SYNC;
+ break;
/* Ignore unrecognized flag characters */
}
}
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