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Message-ID: <20250530054447.1645807-3-Vijendar.Mukunda@amd.com>
Date: Fri, 30 May 2025 11:13:40 +0530
From: Vijendar Mukunda <Vijendar.Mukunda@....com>
To: <vkoul@...nel.org>
CC: <yung-chuan.liao@...ux.intel.com>, <pierre-louis.bossart@...ux.dev>,
<sanyog.r.kale@...el.com>, <Basavaraj.Hiregoudar@....com>,
<Sunil-kumar.Dommati@....com>, <venkataprasad.potturu@....com>,
<linux-sound@...r.kernel.org>, <linux-kernel@...r.kernel.org>, "Vijendar
Mukunda" <Vijendar.Mukunda@....com>
Subject: [PATCH 2/3] soundwire: amd: serialize amd manager resume sequence during pm_prepare
During pm_prepare callback, pm_request_resume() delays SoundWire manager D0
entry sequence. Synchronize runtime resume sequence for amd_manager
instance prior to invoking child devices resume sequence for both the amd
power modes(ClockStop Mode and Power off mode).
Change the power_mode_mask check and use pm_runtime_resume() in
amd_pm_prepare() callback.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@....com>
---
drivers/soundwire/amd_manager.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index a9a57cb6257c..b775ecab697c 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -1178,10 +1178,10 @@ static int __maybe_unused amd_pm_prepare(struct device *dev)
* device is not in runtime suspend state, observed that device alerts are missing
* without pm_prepare on AMD platforms in clockstop mode0.
*/
- if (amd_manager->power_mode_mask & AMD_SDW_CLK_STOP_MODE) {
- ret = pm_request_resume(dev);
+ if (amd_manager->power_mode_mask) {
+ ret = pm_runtime_resume(dev);
if (ret < 0) {
- dev_err(bus->dev, "pm_request_resume failed: %d\n", ret);
+ dev_err(bus->dev, "pm_runtime_resume failed: %d\n", ret);
return 0;
}
}
--
2.45.2
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