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From:   Maulik Shah <mkshah@codeaurora.org>
To:     bjorn.andersson@linaro.org, agross@kernel.org
Cc:     linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        tkjos@google.com, dianders@chromium.org, ilina@codeaurora.org,
        lsrao@codeaurora.org, Maulik Shah <mkshah@codeaurora.org>
Subject: [PATCH v2 2/3] soc: qcom: rpmh: Add rpmh_write_sleep_and_wake() function
Date:   Mon, 25 Jan 2021 11:50:36 +0530
Message-Id: <1611555637-7688-2-git-send-email-mkshah@codeaurora.org>
In-Reply-To: <1611555637-7688-1-git-send-email-mkshah@codeaurora.org>
References: <1611555637-7688-1-git-send-email-mkshah@codeaurora.org>
Precedence: bulk

Let RPMH clients call rpmh_write_sleep_and_wake() to immediately
write cached sleep and wake data to the TCSes.

Signed-off-by: Maulik Shah <mkshah@codeaurora.org>
---
(no changes since v1)
---
 drivers/soc/qcom/rpmh.c | 16 ++++++++++++++++
 include/soc/qcom/rpmh.h |  5 +++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/soc/qcom/rpmh.c b/drivers/soc/qcom/rpmh.c
index cbe6b96..725b8f0 100644
--- a/drivers/soc/qcom/rpmh.c
+++ b/drivers/soc/qcom/rpmh.c
@@ -515,6 +515,22 @@ int rpmh_flush(struct rpmh_ctrlr *ctrlr)
 }
 
 /**
+ * rpmh_write_sleep_and_wake() - Writes the buffered wake and sleep sets
+ * to TCSes
+ *
+ * @dev: The device making the request
+ *
+ * Return:
+ * * 0          - Success
+ * * Error code - Otherwise
+ */
+int rpmh_write_sleep_and_wake(const struct device *dev)
+{
+	return rpmh_flush(get_rpmh_ctrlr(dev));
+}
+EXPORT_SYMBOL(rpmh_write_sleep_and_wake);
+
+/**
  * rpmh_invalidate: Invalidate sleep and wake sets in batch_cache
  *
  * @dev: The device making the request
diff --git a/include/soc/qcom/rpmh.h b/include/soc/qcom/rpmh.h
index fa8bb53..59b68f8 100644
--- a/include/soc/qcom/rpmh.h
+++ b/include/soc/qcom/rpmh.h
@@ -22,6 +22,8 @@ int rpmh_write_batch(const struct device *dev, enum rpmh_state state,
 
 int rpmh_mode_solver_set(const struct device *dev, bool enable);
 
+int rpmh_write_sleep_and_wake(const struct device *dev);
+
 void rpmh_invalidate(const struct device *dev);
 
 #else
@@ -43,6 +45,9 @@ static inline int rpmh_write_batch(const struct device *dev,
 static int rpmh_mode_solver_set(const struct device *dev, bool enable)
 { return -ENODEV; }
 
+static int rpmh_write_sleep_and_wake(const struct device *dev)
+{ return -ENODEV; }
+
 static inline void rpmh_invalidate(const struct device *dev)
 {
 }
-- 
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