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authorStefan Berger <stefanb@linux.vnet.ibm.com>2013-01-22 13:50:07 -0600
committerKent Yoder <key@linux.vnet.ibm.com>2013-02-05 09:38:24 -0600
commit3e3a5e906998b090ad929010a5f5082ac0dbbdfb (patch)
treee629d387d1b7bb771bc5c74076e3c36956c49c4a /drivers/char
parent4643826a3da17767494b85c956c73c138c96a7ea (diff)
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>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm.h2
-rw-r--r--drivers/char/tpm/tpm_tis.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index cbee6319be7..ef4ba5fcf7d 100644
--- 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
index 74ce2d1f08b..3615d210e60 100644
--- 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",