Messages in this thread | | | From | Bhupesh Sharma <> | Subject | [PATCH v4 0/4] Add support for tsens controller reinit via trustzone | Date | Thu, 1 Sep 2022 16:24:10 +0530 |
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Changes since v3: ----------------- - v3 can be viewed here: https://lore.kernel.org/linux-arm-msm/20220804054638.3197294-1-bhupesh.sharma@linaro.org/ - 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/20220724122424.2509021-1-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: 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
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