From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761500Ab2CNUwM (ORCPT ); Wed, 14 Mar 2012 16:52:12 -0400 Received: from Chamillionaire.breakpoint.cc ([85.10.199.196]:38003 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758535Ab2CNUwJ (ORCPT ); Wed, 14 Mar 2012 16:52:09 -0400 From: Sebastian Andrzej Siewior To: Greg Kroah-Hartman Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Sebastian Andrzej Siewior , Pete Zaitcev , Jens Axboe Subject: [PATCH] usb/ub: deprecate & schedule for removal the "Low Performance USB Block" driver Date: Wed, 14 Mar 2012 21:52:51 +0100 Message-Id: <1331758372-9851-1-git-send-email-sebastian@breakpoint.cc> X-Mailer: git-send-email 1.7.9.1 X-Breakpoint-Spam-Score: -1.0 X-Breakpoint-Spam-Level: - X-Breakpoint-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Deprecate this driver. All devices which can be handled by this driver can also be handled by the usb-storage driver. Cc: Pete Zaitcev Cc: Jens Axboe Signed-off-by: Sebastian Andrzej Siewior --- Documentation/feature-removal-schedule.txt | 15 +++++++++++++++ drivers/block/Kconfig | 2 +- drivers/block/ub.c | 2 ++ 3 files changed, 18 insertions(+), 1 deletions(-) diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index a0ffac0..f534828 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -524,3 +524,18 @@ Files: arch/arm/mach-at91/at91cap9.c Why: The code is not actively maintained and platforms are now hard to find. Who: Nicolas Ferre Jean-Christophe PLAGNIOL-VILLARD + +---------------------------- + +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". It translates the requests from the block layer into + READ & WRITE requests. It does not use the SCSI layer for device + handling and as results sdparm & smartmontool do not work. It + does not use libusual which holds various workarounds for + certain buggy devices. + 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 diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index 4e4c8a4..a796407 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -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 diff --git a/drivers/block/ub.c b/drivers/block/ub.c index 298ac75..fcec022 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -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]); -- 1.7.9.1