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path: root/drivers/char/tpm/tpm_nsc.c
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Diffstat (limited to 'drivers/char/tpm/tpm_nsc.c')
-rw-r--r--drivers/char/tpm/tpm_nsc.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index b412734..bf3e774 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -220,6 +220,11 @@ static void tpm_nsc_cancel(struct tpm_chip *chip)
outb(NSC_COMMAND_CANCEL, chip->vendor->base + NSC_COMMAND);
}
+static u8 tpm_nsc_status(struct tpm_chip *chip)
+{
+ return inb(chip->vendor->base + NSC_STATUS);
+}
+
static struct file_operations nsc_ops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
@@ -248,6 +253,7 @@ static struct tpm_vendor_specific tpm_nsc = {
.recv = tpm_nsc_recv,
.send = tpm_nsc_send,
.cancel = tpm_nsc_cancel,
+ .status = tpm_nsc_status,
.req_complete_mask = NSC_STATUS_OBF,
.req_complete_val = NSC_STATUS_OBF,
.req_canceled = NSC_STATUS_RDY,
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