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Android kernel source for the Galaxy A52 5G (a52xq)
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Filename Latest commit message Latest commit date
Robin Murphy 84657a1ba9 ARM: 8835/1: dma-mapping: Clear DMA ops on teardown 
[ Upstream commit fc67e6f120a388b611d94cc40baf99a5cc56b283 ]

Installing the appropriate non-IOMMU DMA ops in arm_iommu_detch_device()
serves the case where IOMMU-aware drivers choose to control their own
mapping but still make DMA API calls, however it also affects the case
when the arch code itself tears down the mapping upon driver unbinding,
where the ops now get left in place and can inhibit arch_setup_dma_ops()
on subsequent re-probe attempts.

Fix the latter case by making sure that arch_teardown_dma_ops() cleans
up whenever the ops were automatically installed by its counterpart.

Reported-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: 1874619a7d "ARM: dma-mapping: Set proper DMA ops in arm_iommu_detach_device()"
Tested-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Tested-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-03-23 20:09:48 +01:00
arch ARM: 8835/1: dma-mapping: Clear DMA ops on teardown 2019-03-23 20:09:48 +01:00
block blk-mq: insert rq with DONTPREP to hctx dispatch list when requeue 2019-03-23 20:09:45 +01:00
certs export.h: remove VMLINUX_SYMBOL() and VMLINUX_SYMBOL_STR() 2018-08-22 23:21:44 +09:00
crypto crypto: ahash - fix another early termination in hash walk 2019-03-23 20:09:40 +01:00
Documentation dt-bindings: eeprom: at24: add "atmel,24c2048" compatible string 2019-02-20 10:25:35 +01:00
drivers clk: sunxi: A31: Fix wrong AHB gate number 2019-03-23 20:09:47 +01:00
firmware kbuild: remove all dummy assignments to obj- 2017-11-18 11:46:06 +09:00
fs NFS: Don't use page_file_mapping after removing the page 2019-03-23 20:09:45 +01:00
include bpf: only adjust gso_size on bytestream protocols 2019-03-23 20:09:48 +01:00
init Revert "mm: use early_pfn_to_nid in page_ext_init" 2019-03-23 20:09:46 +01:00
ipc ipc/shm.c: use ERR_CAST() for shm_lock() error return 2018-10-05 16:32:04 -07:00
kernel bpf: fix lockdep false positive in stackmap 2019-03-23 20:09:48 +01:00
lib lib/test_kmod.c: potential double free in error handling 2019-03-13 14:02:32 -07:00
LICENSES LICENSES: Remove CC-BY-SA-4.0 license text 2018-10-18 11:28:50 +02:00
mm mm: page_alloc: fix ref bias in page_frag_alloc() for 1-byte allocs 2019-03-23 20:09:46 +01:00
net af_key: unconditionally clone on broadcast 2019-03-23 20:09:48 +01:00
samples samples: mei: use /dev/mei0 instead of /dev/mei 2019-02-15 08:10:11 +01:00
scripts kallsyms: Handle too long symbols in kallsyms.c 2019-03-23 20:09:47 +01:00
security missing barriers in some of unix_sock ->addr and ->path accesses 2019-03-19 13:12:41 +01:00
sound ASoC: samsung: Prevent clk_get_rate() calls in atomic context 2019-03-23 20:09:44 +01:00
tools perf trace: Support multiple "vfs_getname" probes 2019-03-13 14:02:37 -07:00
usr initramfs: move gen_initramfs_list.sh from scripts/ to usr/ 2018-08-22 23:21:44 +09:00
virt KVM: arm/arm64: vgic: Always initialize the group of private IRQs 2019-03-23 20:09:43 +01:00
.clang-format clang-format: Set IndentWrappedFunctionNames false 2018-08-01 18:38:51 +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 updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
.mailmap libnvdimm-for-4.19_misc 2018-08-25 18:13:10 -07:00
COPYING COPYING: use the new text with points to the license files 2018-03-23 12:41:45 -06:00
CREDITS 9p: remove Ron Minnich from MAINTAINERS 2018-08-17 16:20:26 -07:00
Kbuild Kbuild updates for v4.15 2017-11-17 17:45:29 -08:00
Kconfig kconfig: move the "Executable file formats" menu to fs/Kconfig.binfmt 2018-08-02 08:06:55 +09:00
MAINTAINERS MAINTAINERS: Add Sasha as a stable branch maintainer 2018-12-01 09:37:25 +01:00
Makefile Linux 4.19.30 2019-03-19 13:12:42 +01:00
README Docs: Added a pointer to the formatted docs to README 2018-03-21 09:02:53 -06:00

README 

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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.