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Trevor Woerner 2e794415ff thermal/drivers/rockchip: Add missing rk3328 mapping entry 
commit ee022e5cae upstream.

The mapping table for the rk3328 is missing the entry for -25C which is
found in the TRM section 9.5.2 "Temperature-to-code mapping".

NOTE: the kernel uses the tsadc_q_sel=1'b1 mode which is defined as:
      4096-<code in table>. Whereas the table in the TRM gives the code
      "3774" for -25C, the kernel uses 4096-3774=322.

[Dragan Simic] : "After going through the RK3308 and RK3328 TRMs, as
  well as through the downstream kernel code, it seems we may have
  some troubles at our hands.  Let me explain, please.

  To sum it up, part 1 of the RK3308 TRM v1.1 says on page 538 that
  the equation for the output when tsadc_q_sel equals 1 is (4096 -
  tsadc_q), while part 1 of the RK3328 TRM v1.2 says that the output
  equation is (1024 - tsadc_q) in that case.

  The downstream kernel code, however, treats the RK3308 and RK3328
  tables and their values as being the same.  It even mentions 1024 as
  the "offset" value in a comment block for the rk_tsadcv3_control()
  function, just like the upstream code does, which is obviously wrong
  "offset" value when correlated with the table on page 544 of part 1
  of the RK3308 TRM v1.1.

  With all this in mind, it's obvious that more work is needed to make
  it clear where's the actual mistake (it could be that the TRM is
  wrong), which I'll volunteer for as part of the SoC binning project.
  In the meantime, this patch looks fine as-is to me, by offering
  what's a clear improvement to the current state of the upstream
  code"

Link: https://opensource.rock-chips.com/images/9/97/Rockchip_RK3328TRM_V1.1-Part1-20170321.pdf
Cc: stable@vger.kernel.org
Fixes: eda519d5f7 ("thermal: rockchip: Support the RK3328 SOC in thermal driver")
Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Link: https://lore.kernel.org/r/20250207175048.35959-1-twoerner@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-05-02 07:44:05 +02:00
arch sparc/mm: disable preemption in lazy mmu mode 2025-05-02 07:44:04 +02:00
block block: fix 'kmem_cache of name 'bio-108' already exists' 2025-04-10 14:31:51 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto crypto: testmgr - some more fixes to RSA test vectors 2025-03-13 12:50:48 +01:00
Documentation sched/isolation: Prevent boot crash when the boot CPU is nohz_full 2025-04-10 14:31:48 +02:00
drivers thermal/drivers/rockchip: Add missing rk3328 mapping entry 2025-05-02 07:44:05 +02:00
fs jbd2: remove wrong sb->s_sequence check 2025-05-02 07:44:03 +02:00
include sctp: detect and prevent references to a freed transport in sendmsg 2025-05-02 07:44:04 +02:00
init initramfs: avoid filename buffer overrun 2024-12-14 19:50:42 +01:00
io_uring io_uring: fix possible deadlock in io_register_iowq_max_workers() 2024-11-17 15:06:25 +01:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel locking/lockdep: Decrease nr_unused_locks if lock unused in zap_class() 2025-05-02 07:44:03 +02:00
lib lib: scatterlist: fix sg_split_phys to preserve original scatterlist offsets 2025-05-02 07:44:03 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm/hwpoison: do not send SIGBUS to processes with recovered clean pages 2025-05-02 07:44:04 +02:00
net sctp: detect and prevent references to a freed transport in sendmsg 2025-05-02 07:44:04 +02:00
samples samples/landlock: Fix possible NULL dereference in parse_path() 2025-03-13 12:49:57 +01:00
scripts selinux: Chain up tool resolving errors in install_policy.sh 2025-04-10 14:31:57 +02:00
security tomoyo: don't emit warning in tomoyo_write_control() 2025-03-13 12:50:18 +01:00
sound ASoC: qdsp6: q6asm-dai: fix q6asm_dai_compr_set_params error path 2025-05-02 07:44:02 +02:00
tools ktest: Fix Test Failures Due to Missing LOG_FILE Directories 2025-05-02 07:43:58 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() 2024-10-22 15:40:41 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore Remove *.orig pattern from .gitignore 2024-10-17 15:11:10 +02:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
Makefile Linux 5.15.180 2025-04-10 14:32:07 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -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.

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.