1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c
index 9ff0e072c476..5d6cce74cd3f 100644
--- a/drivers/char/tpm/tpm_nsc.c
+++ b/drivers/char/tpm/tpm_nsc.c
@@ -278,6 +278,18 @@ static struct platform_driver nsc_drv = {
 	},
 };
 
+static inline int tpm_read_index(int base, int index)
+{
+	outb(index, base);
+	return inb(base+1) & 0xFF;
+}
+
+static inline void tpm_write_index(int base, int index, int value)
+{
+	outb(index, base);
+	outb(value & 0xFF, base+1);
+}
+
 static int __init init_nsc(void)
 {
 	int rc = 0;