| From: |
| Bhupesh Sharma <bhupesh.sharma-AT-linaro.org> |
| To: |
| linux-pm-AT-vger.kernel.org |
| Subject: |
| [PATCH v4 0/4] Add support for tsens controller reinit via trustzone |
| Date: |
| Thu, 01 Sep 2022 16:24:10 +0530 |
| Message-ID: |
| <20220901105414.1171813-1-bhupesh.sharma@linaro.org> |
| Cc: |
| bhupesh.sharma-AT-linaro.org, bhupesh.linux-AT-gmail.com, linux-kernel-AT-vger.kernel.org, andersson-AT-kernel.org, konrad.dybcio-AT-somainline.org, linux-arm-msm-AT-vger.kernel.org, daniel.lezcano-AT-linaro.org, robh+dt-AT-kernel.org, rafael-AT-kernel.org, Amit Kucheria <amitk-AT-kernel.org>, Thara Gopinath <thara.gopinath-AT-gmail.com> |
| Archive-link: |
| Article |
Changes since v3:
-----------------
- v3 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220804054638.3197...
- Addressed review comments from Bjorn regarding early exit paths, spin
lock being held while returning from func, etc.
- Also added Bjorn's R-Bs for v3 patches.
- Rebased on latest linux-next (master branch) tip.
Changes since v2:
-----------------
- v2 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220724122424.2509...
- Dropped sm6375 specific patch from v3, as suggested by Konrad.
- Rebased on latest linux-next (master branch) tip.
Changes since v1:
-----------------
- v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220701145815.2037...
- Addressed several comments from Bjorn regarding locking, serialization
etc received on v1.
- Addressed Konrad's concerns about the tsens controller found on sm6375
SoC which seems to start in a bad state or is disabled when entering
the linux world.
- This series would depend on sm6375 tsens controller changes being
added by Konrad. It is based on linux-next (master branch) tip.
Some versions of Qualcomm tsens controller might enter a
'bad state' causing sensor temperatures/interrupts status
to be in an 'invalid' state.
It is recommended to re-initialize the tsens controller
via trustzone (secure registers) using scm call(s) when that
happens.
This patchset adds the support for the same.
Cc: andersson@kernel.org
Cc: Amit Kucheria <amitk@kernel.org>
Cc: Thara Gopinath <thara.gopinath@gmail.com>
Cc: linux-pm@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org
Bhupesh Sharma (4):
firmware: qcom: scm: Add support for tsens reinit workaround
thermal: qcom: tsens: Add hooks for supplying platform specific reinit
quirks
thermal: qcom: tsens: Add driver support for re-initialization quirk
thermal: qcom: tsens: Add reinit quirk support for tsens v2
controllers
drivers/firmware/qcom_scm.c | 15 +++
drivers/firmware/qcom_scm.h | 4 +
drivers/thermal/qcom/tsens-v2.c | 15 +++
drivers/thermal/qcom/tsens.c | 193 ++++++++++++++++++++++++++++++++
drivers/thermal/qcom/tsens.h | 18 ++-
include/linux/qcom_scm.h | 2 +
6 files changed, 246 insertions(+), 1 deletion(-)
--
2.37.1
