From: Rob Herring <[email protected]>

xen-tpmfront fails to build on arm64 with the following error:

drivers/char/tpm/xen-tpmfront.c: In function ‘xen_tpmfront_init’:
drivers/char/tpm/xen-tpmfront.c:422:2: error: implicit declaration of function 
‘xen_domain’ [-Werror=implicit-function-declaration]

Add include of xen/xen.h to fix this.

Signed-off-by: Rob Herring <[email protected]>
Cc: Leonidas Da Silva Barbosa <[email protected]>
Cc: Ashley Lai <[email protected]>
Cc: Rajiv Andrade <[email protected]>
Cc: Marcel Selhorst <[email protected]>
Cc: Sirrix AG <[email protected]>
Cc: [email protected]
---
 drivers/char/tpm/xen-tpmfront.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 06189e5..94c280d 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -10,6 +10,7 @@
 #include <linux/errno.h>
 #include <linux/err.h>
 #include <linux/interrupt.h>
+#include <xen/xen.h>
 #include <xen/events.h>
 #include <xen/interface/io/tpmif.h>
 #include <xen/grant_table.h>
-- 
1.8.1.2

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