linux-kernel - [PATCH v2] slimbus: qcom-ngd-ctrl: Reduce auto suspend delay

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Date: Fri,  8 Mar 2024 18:11:29 +0530
From: Viken Dadhaniya <quic_vdadhani@...cinc.com>
To: andersson@...nel.org, konrad.dybcio@...aro.org,
        srinivas.kandagatla@...aro.org, linux-arm-msm@...r.kernel.org,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Cc: quic_msavaliy@...cinc.com, quic_vtanuku@...cinc.com,
        quic_anupkulk@...cinc.com, quic_cchiluve@...cinc.com,
        Viken Dadhaniya <quic_vdadhani@...cinc.com>
Subject: [PATCH v2] slimbus: qcom-ngd-ctrl: Reduce auto suspend delay

Currently we have auto suspend delay of 1s which is
very high and it takes long time to driver for runtime
suspend after use case is done.

Hence to optimize runtime PM ops, reduce auto suspend
delay to 100ms.

Signed-off-by: Viken Dadhaniya <quic_vdadhani@...cinc.com>
---
v1 -> v2:
- Remove macro and add value inline.
- Link to v1: https://lore.kernel.org/linux-arm-msm/d784e46d-974d-4bf3-a2d3-491e7ad19701@linaro.org/T/
---
---
 drivers/slimbus/qcom-ngd-ctrl.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c
index efeba8275a66..5e132273c6c4 100644
--- a/drivers/slimbus/qcom-ngd-ctrl.c
+++ b/drivers/slimbus/qcom-ngd-ctrl.c
@@ -81,7 +81,6 @@
 #define SLIM_USR_MC_DISCONNECT_PORT	0x2E
 #define SLIM_USR_MC_REPEAT_CHANGE_VALUE	0x0
 
-#define QCOM_SLIM_NGD_AUTOSUSPEND	MSEC_PER_SEC
 #define SLIM_RX_MSGQ_TIMEOUT_VAL	0x10000
 
 #define SLIM_LA_MGR	0xFF
@@ -1571,7 +1570,7 @@ static int qcom_slim_ngd_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, ctrl);
 	pm_runtime_use_autosuspend(dev);
-	pm_runtime_set_autosuspend_delay(dev, QCOM_SLIM_NGD_AUTOSUSPEND);
+	pm_runtime_set_autosuspend_delay(dev, 100);
 	pm_runtime_set_suspended(dev);
 	pm_runtime_enable(dev);
 	pm_runtime_get_noresume(dev);
-- 
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