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Filename Latest commit message Latest commit date
Yunhao Tian 6a5ade10a3 drm/mipi-dbi: align max_chunk to 2 in spi_transfer
[ Upstream commit 435c249008cba04ed6a7975e9411f3b934620204 ]

In __spi_validate, there's a validation that no partial transfers
are accepted (xfer->len % w_size must be zero). When
max_chunk is not a multiple of bpw (e.g. max_chunk = 65535,
bpw = 16), the transfer will be rejected.

This patch aligns max_chunk to 2 bytes (the maximum value of bpw is 16),
so that no partial transfer will occur.

Fixes: d23d4d4dac ("drm/tinydrm: Move tinydrm_spi_transfer()")

Signed-off-by: Yunhao Tian <t123yh.xyz@gmail.com>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220510030219.2486687-1-t123yh.xyz@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-08-25 11:17:37 +02:00
arch arm64: dts: mt7622: fix BPI-R64 WPS button 2022-08-25 11:17:36 +02:00
block blk-mq: don't create hctx debugfs dir until q->debugfs_dir is created 2022-08-25 11:17:36 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:11:22 +02:00
crypto crypto: drbg - make reseeding from get_random_bytes() synchronous 2022-06-22 14:11:18 +02:00
Documentation x86: Handle idle=nomwait cmdline properly for x86_idle 2022-08-25 11:17:28 +02:00
drivers drm/mipi-dbi: align max_chunk to 2 in spi_transfer 2022-08-25 11:17:37 +02:00
fs erofs: avoid consecutive detection for Highmem memory 2022-08-25 11:17:36 +02:00
include wait: Fix __wait_event_hrtimeout for RT/DL tasks 2022-08-25 11:17:29 +02:00
init random: handle latent entropy and command line from random_init() 2022-06-22 14:11:17 +02:00
ipc
kernel nohz/full, sched/rt: Fix missed tick-reenabling bug in dequeue_task_rt() 2022-08-25 11:17:36 +02:00
lib locking/refcount: Consolidate implementations of refcount_t 2022-07-29 17:14:17 +02:00
LICENSES
mm mm/mremap: hold the rmap lock in write mode when moving page table entries. 2022-08-25 11:17:20 +02:00
net netfilter: nf_tables: fix null deref due to zeroed list head 2022-08-25 11:17:27 +02:00
samples
scripts modpost: fix section mismatch check for exported init/exit sections 2022-06-29 08:58:49 +02:00
security selinux: Add boundary check in put_entry() 2022-08-25 11:17:32 +02:00
sound ALSA: hda/realtek: Add quirk for another Asus K42JZ model 2022-08-25 11:17:21 +02:00
tools thermal/tools/tmon: Include pthread and time headers in tmon.h 2022-08-25 11:17:37 +02:00
usr
virt KVM: Don't null dereference ops->destroy 2022-08-11 12:57:52 +02:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS MAINTAINERS: co-maintain random.c 2022-06-22 14:11:05 +02:00
Makefile Makefile: link with -z noexecstack --no-warn-rwx-segments 2022-08-25 11:17:17 +02:00
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.

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.