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Subject[PATCH] platform/x86/intel/sdsi: Change mailbox timeout
Date
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>
---
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
base-commit: 5b309e80f457ebb41770e0122766825a78cfc11b
--
2.34.1

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