linux-kernel - [PATCH v2 2/9] soc: qcom: rpmpd: Add support to set rpmpd state to max

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Date:   Sun, 24 Mar 2019 23:20:00 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     bjorn.andersson@...aro.org, robh+dt@...nel.org,
        andy.gross@...aro.org, rnayak@...eaurora.org
Cc:     david.brown@...aro.org, mark.rutland@....com,
        linux-kernel@...r.kernel.org, linux-arm-msm-owner@...r.kernel.org,
        devicetree@...r.kernel.org, Sibi Sankar <sibis@...eaurora.org>
Subject: [PATCH v2 2/9] soc: qcom: rpmpd: Add support to set rpmpd state to max

Add support to set rpmpd state to max across SoCs.

Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
---
 drivers/soc/qcom/rpmpd.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
index 235d01870dd8..71fdfafad2ea 100644
--- a/drivers/soc/qcom/rpmpd.c
+++ b/drivers/soc/qcom/rpmpd.c
@@ -83,12 +83,14 @@ struct rpmpd {
 	const int res_type;
 	const int res_id;
 	struct qcom_smd_rpm *rpm;
+	unsigned int max_state;
 	__le32 key;
 };
 
 struct rpmpd_desc {
 	struct rpmpd **rpmpds;
 	size_t num_pds;
+	unsigned int max_state;
 };
 
 static DEFINE_MUTEX(rpmpd_lock);
@@ -114,6 +116,7 @@ static struct rpmpd *msm8996_rpmpds[] = {
 static const struct rpmpd_desc msm8996_desc = {
 	.rpmpds = msm8996_rpmpds,
 	.num_pds = ARRAY_SIZE(msm8996_rpmpds),
+	.max_state = MAX_RPMPD_STATE,
 };
 
 static const struct of_device_id rpmpd_match_table[] = {
@@ -225,8 +228,8 @@ static int rpmpd_set_performance(struct generic_pm_domain *domain,
 	int ret = 0;
 	struct rpmpd *pd = domain_to_rpmpd(domain);
 
-	if (state > MAX_RPMPD_STATE)
-		state = MAX_RPMPD_STATE;
+	if (state > pd->max_state)
+		state = pd->max_state;
 
 	mutex_lock(&rpmpd_lock);
 
@@ -287,6 +290,7 @@ static int rpmpd_probe(struct platform_device *pdev)
 		}
 
 		rpmpds[i]->rpm = rpm;
+		rpmpds[i]->max_state = desc->max_state;
 		rpmpds[i]->pd.power_off = rpmpd_power_off;
 		rpmpds[i]->pd.power_on = rpmpd_power_on;
 		rpmpds[i]->pd.set_performance_state = rpmpd_set_performance;
-- 
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