From 19e3d335bddb480a53e30242e72195dd5ae8e056 Mon Sep 17 00:00:00 2001
From: Jeffy Chen <jeffy.chen@rock-chips.com>
Date: Fri, 3 Mar 2017 18:24:02 +0800
Subject: drivers/spi/tpm: using tpm irq to sync tpm transaction

BUG=b:35647967
TEST=boot from bob

Change-Id: Ib64107b17fb6e93dbe626ce92f3bc9da8b84784e
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/452284
Commit-Ready: Caesar Wang <wxt@rock-chips.com>
Tested-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Reviewed-on: https://review.coreboot.org/19113
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/include/tpm.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/include/tpm.h')

diff --git a/src/include/tpm.h b/src/include/tpm.h
index b15ca6e76f..bd85b43844 100644
--- a/src/include/tpm.h
+++ b/src/include/tpm.h
@@ -64,4 +64,13 @@ int tis_sendrecv(const u8 *sendbuf, size_t send_size, u8 *recvbuf,
 
 void init_tpm(int s3resume);
 
+/*
+ * tis_plat_irq_status()
+ *
+ * Check tpm irq and clear it.
+ *
+ * Returns 1 when irq pending or 0 when not.
+ */
+int tis_plat_irq_status(void);
+
 #endif /* TPM_H_ */
-- 
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