From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:41646 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751578AbbEIR05 (ORCPT ); Sat, 9 May 2015 13:26:57 -0400 Subject: Patch "uas: Set max_sectors_240 quirk for ASM1053 devices" has been added to the 4.0-stable tree To: hdegoede@redhat.com, gregkh@linuxfoundation.org, sbangert@frontier.com, stern@rowland.harvard.edu Cc: , From: Date: Sat, 09 May 2015 19:24:56 +0200 Message-ID: <1431192296255177@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled uas: Set max_sectors_240 quirk for ASM1053 devices to the 4.0-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: uas-set-max_sectors_240-quirk-for-asm1053-devices.patch and it can be found in the queue-4.0 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 8e779c6c4a398763c21371fe40f649206041dc1e Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Tue, 21 Apr 2015 11:20:32 +0200 Subject: uas: Set max_sectors_240 quirk for ASM1053 devices From: Hans de Goede commit 8e779c6c4a398763c21371fe40f649206041dc1e upstream. Testing has shown that ASM1053 devices do not work properly with transfers larger than 240 sectors, so set max_sectors to 240 on these. Reported-by: Steve Bangert Signed-off-by: Hans de Goede Tested-by: Steve Bangert Acked-by: Alan Stern Signed-off-by: Greg Kroah-Hartman --- drivers/usb/storage/uas-detect.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/usb/storage/uas-detect.h +++ b/drivers/usb/storage/uas-detect.h @@ -74,7 +74,7 @@ static int uas_use_uas_driver(struct usb * this writing the following versions exist: * ASM1051 - no uas support version * ASM1051 - with broken (*) uas support - * ASM1053 - with working uas support + * ASM1053 - with working uas support, but problems with large xfers * ASM1153 - with working uas support * * Devices with these chips re-use a number of device-ids over the @@ -104,6 +104,9 @@ static int uas_use_uas_driver(struct usb } else if (usb_ss_max_streams(&eps[1]->ss_ep_comp) == 32) { /* Possibly an ASM1051, disable uas */ flags |= US_FL_IGNORE_UAS; + } else { + /* ASM1053, these have issues with large transfers */ + flags |= US_FL_MAX_SECTORS_240; } } Patches currently in stable-queue which might be from hdegoede@redhat.com are queue-4.0/uas-set-max_sectors_240-quirk-for-asm1053-devices.patch queue-4.0/uas-allow-uas_use_uas_driver-to-return-usb-storage-flags.patch queue-4.0/uas-add-us_fl_max_sectors_240-flag.patch