summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
authorOliver Neukum <oneukum@suse.de>2007-02-08 11:04:48 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2007-02-17 02:32:19 +0300
commit61bf54b71d5abf767ee46284be19965d7253ddbf (patch)
tree04bda12e495bc19be2712dff9da35f5e3271691a /include/linux
parent5b06470816fb5e658e81db2a55b530ff2ba711c9 (diff)
downloadlinux-61bf54b71d5abf767ee46284be19965d7253ddbf.tar.xz
USB Storage: indistinguishable devices with broken and unbroken firmware
there's a USB mass storage device which exists in two version. One reports the correct size and the other does not. Apart from that they are identical and cannot be told apart. Here's a heuristic based on the empirical finding that drives have even sizes. Signed-off-by: Oliver Neukum <oneukum@suse.de> Acked-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Matthew Dharm <mdharm-usb@one-eyed-alien.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/usb_usual.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/usb_usual.h b/include/linux/usb_usual.h
index 2ae76fe52ff7..1b792b9286ba 100644
--- a/include/linux/usb_usual.h
+++ b/include/linux/usb_usual.h
@@ -46,7 +46,9 @@
US_FLAG(MAX_SECTORS_64, 0x00000400) \
/* Sets max_sectors to 64 */ \
US_FLAG(IGNORE_DEVICE, 0x00000800) \
- /* Don't claim device */
+ /* Don't claim device */ \
+ US_FLAG(CAPACITY_HEURISTICS, 0x00001000) \
+ /* sometimes sizes is too big */
#define US_FLAG(name, value) US_FL_##name = value ,
enum { US_DO_ALL_FLAGS };