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linux/drivers/usb/storage
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Alan Stern 823d12c95c usb-storage: enable multi-LUN scanning when needed 
People sometimes create their own custom-configured kernels and forget
to enable CONFIG_SCSI_MULTI_LUN.  This causes problems when they plug
in a USB storage device (such as a card reader) with more than one
LUN.

Fortunately, we can tell fairly easily when a storage device claims to
have more than one LUN.  When that happens, this patch asks the SCSI
layer to probe all the LUNs automatically, regardless of the config
setting.

The patch also updates the Kconfig help text for usb-storage,
explaining that CONFIG_SCSI_MULTI_LUN may be necessary.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Thomas Raschbacher <lordvan@lordvan.com>
CC: Matthew Dharm <mdharm-usb@one-eyed-alien.net>
CC: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-02-04 12:59:15 -08:00
..
alauda.c usb: storage: alauda: initialize variables directly 2013-05-16 17:48:28 -07:00
cypress_atacb.c usb-storage: CY7C68300A chips do not support Cypress ATACB 2013-04-23 10:08:13 -07:00
datafab.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
debug.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
debug.h usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
ene_ub6250.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
freecom.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
initializers.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
initializers.h USB: storage: fix Huawei mode switching regression 2013-03-07 12:23:17 +08:00
isd200.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
jumpshot.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
karma.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
Kconfig usb-storage: enable multi-LUN scanning when needed 2014-02-04 12:59:15 -08:00
Makefile usb: remove libusual 2012-09-05 17:21:36 -07:00
onetouch.c usb: delete non-required instances of include <linux/init.h> 2014-01-08 15:01:39 -08:00
option_ms.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
option_ms.h
protocol.c USB: storage: fix compile warning 2013-12-09 23:45:39 -08:00
protocol.h
realtek_cr.c USB: usb-stor: realtek_cr: Fix compile error 2013-05-16 17:28:27 -07:00
scsiglue.c usb-storage: enable multi-LUN scanning when needed 2014-02-04 12:59:15 -08:00
scsiglue.h
sddr09.c usb: storage: sddr09: initialize variables directly 2013-05-16 17:48:28 -07:00
sddr55.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
shuttle_usbat.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
sierra_ms.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
sierra_ms.h
transport.c usb: storage: Convert US_DEBUGP to usb_stor_dbg 2013-04-19 11:46:50 -07:00
transport.h usb/storage: a couple defines from drivers/usb/storage/transport.h to include/linux/usb/storage.h 2012-02-28 11:05:18 -08:00
uas.c usb-uas: set max_lun and max_channel 2013-01-25 09:56:54 -08:00
unusual_alauda.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_cypress.h usb-storage: restrict bcdDevice range for Super Top in Cypress ATACB 2014-02-04 12:59:14 -08:00
unusual_datafab.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_devs.h usb-storage: add unusual-devs entry for BlackBerry 9000 2014-02-04 12:59:15 -08:00
unusual_ene_ub6250.h Staging: Merge ENE UB6250 SD card codes from keucr to drivers/usb/storage 2011-03-07 13:40:59 -08:00
unusual_freecom.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_isd200.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_jumpshot.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_karma.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_onetouch.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_realtek.h usb-storage: fix up the unusual_realtek device list 2011-05-17 11:56:28 -07:00
unusual_sddr09.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_sddr55.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
unusual_usbat.h USB: storage: Use USB_ prefix instead of US_ prefix 2010-10-22 10:21:49 -07:00
usb.c usb: delete non-required instances of include <linux/init.h> 2014-01-08 15:01:39 -08:00
usb.h usb-storage: fix freezing of the scanning thread 2012-02-21 16:29:15 -08:00
usual-tables.c USB: storage: Define a new macro for USB storage match rules 2013-02-04 10:40:16 -08:00