linux-kernel - [PATCH v3 2/4] thermal: qcom: tsens: Add hooks for supplying platform specific reinit quirks

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Date:   Thu,  4 Aug 2022 11:16:36 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     linux-pm@...r.kernel.org
Cc:     bhupesh.sharma@...aro.org, bhupesh.linux@...il.com,
        linux-kernel@...r.kernel.org, bjorn.andersson@...aro.org,
        konrad.dybcio@...ainline.org, linux-arm-msm@...r.kernel.org,
        daniel.lezcano@...aro.org, robh+dt@...nel.org, rafael@...nel.org,
        Amit Kucheria <amitk@...nel.org>,
        Thara Gopinath <thara.gopinath@...il.com>
Subject: [PATCH v3 2/4] thermal: qcom: tsens: Add hooks for supplying platform specific reinit quirks

Add hooks inside platform specific data which can be
used by Qualcomm tsens controller(s) which might need
reinitialization via trustzone.

Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Amit Kucheria <amitk@...nel.org>
Cc: Thara Gopinath <thara.gopinath@...il.com>
Cc: linux-pm@...r.kernel.org
Cc: linux-arm-msm@...r.kernel.org
Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---
 drivers/thermal/qcom/tsens.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index ba05c8233356..92787017c6ab 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -513,6 +513,7 @@ struct tsens_features {
  * @num_sensors: Number of sensors supported by platform
  * @ops: operations the tsens instance supports
  * @hw_ids: Subset of sensors ids supported by platform, if not the first n
+ * @needs_reinit_wa: tsens controller might need reinit via trustzone
  * @feat: features of the IP
  * @fields: bitfield locations
  */
@@ -520,6 +521,7 @@ struct tsens_plat_data {
 	const u32		num_sensors;
 	const struct tsens_ops	*ops;
 	unsigned int		*hw_ids;
+	bool			needs_reinit_wa;
 	struct tsens_features	*feat;
 	const struct reg_field		*fields;
 };
@@ -542,6 +544,7 @@ struct tsens_context {
  * @srot_map: pointer to SROT register address space
  * @tm_offset: deal with old device trees that don't address TM and SROT
  *             address space separately
+ * @needs_reinit_wa: tsens controller might need reinit via trustzone
  * @ul_lock: lock while processing upper/lower threshold interrupts
  * @crit_lock: lock while processing critical threshold interrupts
  * @rf: array of regmap_fields used to store value of the field
@@ -559,6 +562,7 @@ struct tsens_priv {
 	struct regmap			*tm_map;
 	struct regmap			*srot_map;
 	u32				tm_offset;
+	bool				needs_reinit_wa;
 
 	/* lock for upper/lower threshold interrupts */
 	spinlock_t			ul_lock;
-- 
2.35.3