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authorOliver Neukum <oneukum@suse.de>2007-02-08 09:04:48 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2007-02-16 15:32:19 -0800
commit61bf54b71d5abf767ee46284be19965d7253ddbf (patch)
tree04bda12e495bc19be2712dff9da35f5e3271691a /include/linux/usb_usual.h
parent5b06470816fb5e658e81db2a55b530ff2ba711c9 (diff)
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/usb_usual.h')
-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 2ae76fe52ff..1b792b9286b 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 };