From: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
To: <vkoul@kernel.org>
Cc: <yung-chuan.liao@linux.intel.com>,
<pierre-louis.bossart@linux.dev>, <Basavaraj.Hiregoudar@amd.com>,
<Sunil-kumar.Dommati@amd.com>, <venkataprasad.potturu@amd.com>,
<linux-sound@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Subject: [PATCH 2/2] soundwire: amd: add check for status update registers
Date: Fri, 20 Jun 2025 15:55:20 +0530 [thread overview]
Message-ID: <20250620102617.73437-2-Vijendar.Mukunda@amd.com> (raw)
In-Reply-To: <20250620102617.73437-1-Vijendar.Mukunda@amd.com>
Add check to proceed handling SoundWire interrupts when valid
status is reported in any one of the status registers.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
---
drivers/soundwire/amd_manager.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/soundwire/amd_manager.c b/drivers/soundwire/amd_manager.c
index 732c3e9cdd9c..5a7468e33012 100644
--- a/drivers/soundwire/amd_manager.c
+++ b/drivers/soundwire/amd_manager.c
@@ -931,6 +931,9 @@ static void amd_sdw_irq_thread(struct work_struct *work)
status_change_8to11 = readl(amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_8TO11);
status_change_0to7 = readl(amd_manager->mmio + ACP_SW_STATE_CHANGE_STATUS_0TO7);
+ if (!status_change_0to7 && !status_change_8to11)
+ return;
+
dev_dbg(amd_manager->dev, "[SDW%d] SDW INT: 0to7=0x%x, 8to11=0x%x\n",
amd_manager->instance, status_change_0to7, status_change_8to11);
if (status_change_8to11 & AMD_SDW_WAKE_STAT_MASK)
--
2.45.2
next prev parent reply other threads:[~2025-06-20 10:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-20 10:25 [PATCH 1/2] soundwire: amd: fix for clearing command status register Vijendar Mukunda
2025-06-20 10:25 ` Vijendar Mukunda [this message]
2025-06-26 20:57 ` (subset) " Vinod Koul
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