tpm: Store TPM vendor ID
Store the TPM vendor ID for later use.
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index cbee631..ef4ba5f 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -105,6 +105,8 @@
wait_queue_head_t read_queue;
wait_queue_head_t int_queue;
+
+ u16 manufacturer_id;
};
#define TPM_VPRIV(c) (c)->vendor.priv
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 74ce2d1..3615d21 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -534,6 +534,7 @@
}
vendor = ioread32(chip->vendor.iobase + TPM_DID_VID(0));
+ chip->vendor.manufacturer_id = vendor;
dev_info(dev,
"1.2 TPM (device-id 0x%X, rev-id %d)\n",