From: Bhupesh Sharma <bhupesh.sharma@linaro.org>
To: linux-pm@vger.kernel.org
Cc: bhupesh.sharma@linaro.org, bhupesh.linux@gmail.com,
linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org,
konrad.dybcio@somainline.org, linux-arm-msm@vger.kernel.org,
daniel.lezcano@linaro.org, robh+dt@kernel.org, rafael@kernel.org,
Amit Kucheria <amitk@kernel.org>,
Thara Gopinath <thara.gopinath@gmail.com>
Subject: [PATCH v3 0/4] Add support for tsens controller reinit via trustzone
Date: Thu, 4 Aug 2022 11:16:34 +0530 [thread overview]
Message-ID: <20220804054638.3197294-1-bhupesh.sharma@linaro.org> (raw)
Changes since v2:
-----------------
- v2 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220724122424.2509021-1-bhupesh.sharma@linaro.org/
- 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/20220701145815.2037993-1-bhupesh.sharma@linaro.org/
- 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: bjorn.andersson@linaro.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 | 200 ++++++++++++++++++++++++++++++++
drivers/thermal/qcom/tsens.h | 18 ++-
include/linux/qcom_scm.h | 2 +
6 files changed, 253 insertions(+), 1 deletion(-)
--
2.35.3
next reply other threads:[~2022-08-04 5:46 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-04 5:46 Bhupesh Sharma [this message]
2022-08-04 5:46 ` [PATCH v3 1/4] firmware: qcom: scm: Add support for tsens reinit workaround Bhupesh Sharma
2022-08-29 22:15 ` Bjorn Andersson
2022-08-30 17:03 ` Bhupesh Sharma
2022-08-04 5:46 ` [PATCH v3 2/4] thermal: qcom: tsens: Add hooks for supplying platform specific reinit quirks Bhupesh Sharma
2022-08-04 5:46 ` [PATCH v3 3/4] thermal: qcom: tsens: Add driver support for re-initialization quirk Bhupesh Sharma
2022-08-29 22:14 ` Bjorn Andersson
2022-08-30 17:14 ` Bhupesh Sharma
2022-08-04 5:46 ` [PATCH v3 4/4] thermal: qcom: tsens: Add reinit quirk support for tsens v2 controllers Bhupesh Sharma
2022-08-29 22:14 ` Bjorn Andersson
2022-08-25 5:00 ` [PATCH v3 0/4] Add support for tsens controller reinit via trustzone Bhupesh Sharma
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