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usb/ub: deprecate & schedule for removal the "Low Performance USB Block" driver

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Deprecate this driver. All devices which can be handled by this driver
can also be handled by the usb-storage driver.

Acked-By: Pete Zaitcev <zaitcev@redhat.com>
Cc: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sebastian Andrzej Siewior 2012-03-15 21:59:36 +01:00 committed by Greg Kroah-Hartman
parent 4bf34b8c6b
commit 7396bd9fa1
3 changed files with 14 additions and 1 deletions
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11
Documentation/feature-removal-schedule.txt
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@ -524,3 +524,14 @@ Files: arch/arm/mach-at91/at91cap9.c
Why: The code is not actively maintained and platforms are now hard to find.
Who: Nicolas Ferre <nicolas.ferre@atmel.com>
Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
----------------------------
What: Low Performance USB Block driver ("CONFIG_BLK_DEV_UB")
When: 3.6
Why: This driver provides support for USB storage devices like "USB
sticks". As of now, it is deactivated in Debian, Fedora and
Ubuntu. All current users can switch over to usb-storage
(CONFIG_USB_STORAGE) which only drawback is the additional SCSI
stack.
Who: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>

2
drivers/block/Kconfig
View file

@ -354,7 +354,7 @@ config BLK_DEV_SX8
Use devices /dev/sx8/$N and /dev/sx8/$Np$M.
config BLK_DEV_UB
tristate "Low Performance USB Block driver"
tristate "Low Performance USB Block driver (deprecated)"
depends on USB
help
This driver supports certain USB attached storage devices

2
drivers/block/ub.c
View file

@ -2440,6 +2440,8 @@ static int __init ub_init(void)
int rc;
int i;
pr_info("'Low Performance USB Block' driver is deprecated. "
"Please switch to usb-storage\n");
for (i = 0; i < UB_QLOCK_NUM; i++)
spin_lock_init(&ub_qlockv[i]);