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Xiang Chen ad1562ae81 scsi: hisi_sas: config ATA de-reset as an constrained command for v3 hw 
[ Upstream commit 9413532788 ]

As a unconstrained command, a command can be sent to SATA disk even if
SATA disk status is BUSY, ERR or DRQ.

If an ATA reset assert is successful but ATA reset de-assert fails, then
it will retry the reset de-assert. If reset de- assert retry is
successful, we think it is okay to probe the device but actually it
still has Err status.

Apparently we need to retry the ATA reset assertion and de- assertion
instead for this mentioned scenario.

As such, we config ATA reset assert as a constrained command, if ATA
reset de-assert fails, then ATA reset de-assert retry will also
fail. Then we will retry the proper process of ATA reset assert and
de-assert again.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-08-03 07:50:36 +02:00
Documentation vfio/mdev: Check globally for duplicate devices 2018-08-03 07:50:22 +02:00
arch perf: fix invalid bit in diagnostic entry 2018-08-03 07:50:36 +02:00
block block, bfq: remove wrong lock in bfq_requests_merged 2018-08-03 07:50:26 +02:00
certs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
crypto crypto: af_alg - Initialize sg_num_bytes in error code path 2018-07-22 14:28:48 +02:00
drivers scsi: hisi_sas: config ATA de-reset as an constrained command for v3 hw 2018-08-03 07:50:36 +02:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs fscrypt: use unbound workqueue for decryption 2018-08-03 07:50:32 +02:00
include brcmfmac: Add support for bcm43364 wireless chipset 2018-08-03 07:50:36 +02:00
init init: fix false positives in W+X checking 2018-06-21 04:02:57 +09:00
ipc ipc/shm: fix shmat() nil address after round-down when remapping 2018-05-30 07:51:49 +02:00
kernel PM / wakeup: Make s2idle_lock a RAW_SPINLOCK 2018-08-03 07:50:29 +02:00
lib lib/rhashtable: consider param->min_size when setting initial table size 2018-07-25 11:25:09 +02:00
mm mm/slub.c: add __printf verification to slab_err() 2018-08-03 07:50:23 +02:00
net netfilter: nf_tables: check msg_type before nft_trans_set(trans) 2018-08-03 07:50:25 +02:00
samples samples/bpf: Partially fixes the bpf.o build 2018-04-26 11:02:12 +02:00
scripts Kbuild: fix # escaping in .cmd files for future Make 2018-07-11 16:29:21 +02:00
security ima: based on policy verify firmware signatures (pre-allocated buffer) 2018-08-03 07:50:31 +02:00
sound ALSA: usb-audio: Apply rate limit to warning messages in URB complete callback 2018-08-03 07:50:33 +02:00
tools selftests: intel_pstate: return Kselftest Skip code for skipped tests 2018-08-03 07:50:27 +02:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM/Eventfd: Avoid crash when assign and deassign specific eventfd in parallel. 2018-07-25 11:25:07 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Add hch to .get_maintainer.ignore 2015-08-21 14:30:10 -07:00
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
…
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS dt-bindings: Document mti,mips-cpc binding 2018-03-15 10:54:35 +01:00
Makefile Linux 4.14.59 2018-07-28 07:55:45 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.