From 14f6f0e3709a8aa987ae78783d2e4d63f88cc13a Mon Sep 17 00:00:00 2001
From: "David E. Box" <david.e.box@linux.intel.com>
Date: Wed, 12 Apr 2023 18:32:30 -0700
Subject: platform/x86/intel/sdsi: Change mailbox timeout
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On some platforms, it may take up to 400ms for the ready bit to be set in a
successful mailbox transaction. Set the timeout to 500ms to cover the worst
case.

Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230413013230.1521584-1-david.e.box@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
 drivers/platform/x86/intel/sdsi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c
index 9e0ea2cdd704..556e7c6dbb05 100644
--- a/drivers/platform/x86/intel/sdsi.c
+++ b/drivers/platform/x86/intel/sdsi.c
@@ -49,7 +49,7 @@
 #define SDSI_MBOX_CMD_SUCCESS		0x40
 #define SDSI_MBOX_CMD_TIMEOUT		0x80
 
-#define MBOX_TIMEOUT_US			2000
+#define MBOX_TIMEOUT_US			500000
 #define MBOX_TIMEOUT_ACQUIRE_US		1000
 #define MBOX_POLLING_PERIOD_US		100
 #define MBOX_ACQUIRE_NUM_RETRIES	5
-- 
cgit