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>
git-mirror · Feb 5, 2013 · 3e3a5e9 · 3e3a5e9
1 parent 4643826
commit 3e3a5e9
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diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
@@ -105,6 +105,8 @@ struct tpm_vendor_specific {
 
 	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
@@ -534,6 +534,7 @@ static int tpm_tis_init(struct device *dev, resource_size_t start,
 	}
 
 	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",