1 files changed, 6 insertions, 4 deletions

diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 1d042af4374d..c0c0cac9950c 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -118,7 +118,6 @@
 #define SMBSLVSTS(p)    (16 + (p)->smba)        /* ICH3 and later */
 #define SMBSLVCMD(p)    (17 + (p)->smba)        /* ICH3 and later */
 #define SMBNTFDADD(p)   (20 + (p)->smba)        /* ICH3 and later */
-#define SMBNTFDDAT(p)   (22 + (p)->smba)        /* ICH3 and later */
 
 /* PCI Address Constants */
 #define SMBBAR          4
@@ -581,12 +580,15 @@ static void i801_isr_byte_done(struct i801_priv *priv)
 static irqreturn_t i801_host_notify_isr(struct i801_priv *priv)
 {
         unsigned short addr;
-        unsigned int data;
 
         addr = inb_p(SMBNTFDADD(priv)) >> 1;
-        data = inw_p(SMBNTFDDAT(priv));
 
-        i2c_handle_smbus_host_notify(priv->host_notify, addr, data);
+        /*
+         * With the tested platforms, reading SMBNTFDDAT (22 + (p)->smba)
+         * always returns 0 and is safe to read.
+         * We just use 0 given we have no use of the data right now.
+         */
+        i2c_handle_smbus_host_notify(priv->host_notify, addr, 0);
 
         /* clear Host Notify bit and return */
         outb_p(SMBSLVSTS_HST_NTFY_STS, SMBSLVSTS(priv));