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Richard Zhu 044355868e MLK-11444 ata: imx: cmd buf corruption errata bug fix
errata:
When a read command returns less data than specified in the PRDs (for
example, there are two PRDs for this command, but the device returns a
number of bytes which is less than in the first PRD), the second PRD of
this command is  not read out of the PRD FIFO, causing the next command
to use this PRD erroneously.

workaround
- forces sg_tablesize = 1
- modified the sg_io function in block/scsi_ioctl.c to use a 64k buffer
  allocated with dma_alloc_coherent during the probe in ahci_imx
- In order to fix the scsi/sata hang, when CD_ROM and HDD are
  accessed simultaneously after the workaround is applied.
  Do not go to sleep in scsi_eh_handler, when there is host failed.

Signed-off-by: Richard Zhu <Richard.Zhu@freescale.com>
2018-10-29 11:10:38 +08:00
Documentation MLK-11479-11 ASoC: imx-wm8962: Add non-SSI cpu dai support 2018-10-29 11:10:38 +08:00
arch MLK-11480-03 ARM: dts: add spdif sound card support for imx6sx-sdb board 2018-10-29 11:10:38 +08:00
block MLK-11444 ata: imx: cmd buf corruption errata bug fix 2018-10-29 11:10:38 +08:00
certs Replace magic for trusting the secondary keyring with #define 2018-09-09 19:55:54 +02:00
crypto crypto: skcipher - Fix -Wstringop-truncation warnings 2018-10-03 17:00:45 -07:00
drivers MLK-11444 ata: imx: cmd buf corruption errata bug fix 2018-10-29 11:10:38 +08:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs Revert "vfs: fix freeze protection in mnt_want_write_file() for overlayfs" 2018-10-20 09:48:52 +02:00
include MLK-11485 thermal: add device cooling for thermal driver 2018-10-29 11:10:38 +08:00
init init: rename and re-order boot_cpu_state_init() 2018-08-15 18:12:48 +02:00
ipc ipc/sem.c: prevent queue.status tearing in semop 2018-09-05 09:26:30 +02:00
kernel mm: disallow mappings that conflict for devm_memremap_pages() 2018-10-20 09:48:53 +02:00
lib scsi: klist: Make it safe to use klists in atomic context 2018-10-03 17:00:48 -07:00
mm mremap: properly flush TLB before releasing the page 2018-10-20 09:48:53 +02:00
net batman-adv: fix hardif_neigh refcount on queue_work() failure 2018-10-20 09:48:49 +02:00
samples samples/bpf: Check the error of write() and read() 2018-08-24 13:09:12 +02:00
scripts kbuild: add .DELETE_ON_ERROR special target 2018-09-26 08:37:59 +02:00
security Revert "uapi/linux/keyctl.h: don't use C++ reserved keyword as a struct member name" 2018-09-29 03:06:04 -07:00
sound MLK-11259-2: ASoC: fsl: enable ASRC p2p for ssi->wm8962 2018-10-29 11:10:38 +08:00
tools perf tools: Fix snprint warnings for gcc 8 2018-10-18 09:16:28 +02:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM: arm/arm64: Fix vgic init race 2018-09-26 08:38:04 +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 4.14.78 2018-10-20 09:48:54 +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.