linux-kernel - [PATCH 5.14 139/169] platform/x86: intel_scu

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Date:   Mon, 25 Oct 2021 21:15:20 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Prashant Malani <pmalani@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.14 139/169] platform/x86: intel_scu_ipc: Increase virtual timeout to 10s

From: Prashant Malani <pmalani@...omium.org>

[ Upstream commit 5c02b581ce84eea240d25c8318a1f65133a04415 ]

Commit a7d53dbbc70a ("platform/x86: intel_scu_ipc: Increase virtual
timeout from 3 to 5 seconds") states that the recommended timeout range
is 5-10 seconds. Adjust the timeout value to the higher of those i.e 10
seconds, to account for situations where the 5 seconds is insufficient
for disconnect command success.

Signed-off-by: Prashant Malani <pmalani@...omium.org>
Cc: Benson Leung <bleung@...omium.org>
Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
Link: https://lore.kernel.org/r/20210928101932.2543937-3-pmalani@chromium.org
Signed-off-by: Hans de Goede <hdegoede@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/platform/x86/intel_scu_ipc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c
index 25b98b12439f..daf199a9984b 100644
--- a/drivers/platform/x86/intel_scu_ipc.c
+++ b/drivers/platform/x86/intel_scu_ipc.c
@@ -75,7 +75,7 @@ struct intel_scu_ipc_dev {
 #define IPC_READ_BUFFER		0x90
 
 /* Timeout in jiffies */
-#define IPC_TIMEOUT		(5 * HZ)
+#define IPC_TIMEOUT		(10 * HZ)
 
 static struct intel_scu_ipc_dev *ipcdev; /* Only one for now */
 static DEFINE_MUTEX(ipclock); /* lock used to prevent multiple call to SCU */
-- 
2.33.0