1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index 42e4e00d6c32..a140e4536a4e 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -133,6 +133,9 @@ static void scx200_acb_machine(struct scx200_acb_iface *iface, u8 status)
 
                 outb(inb(ACBCTL1) | ACBCTL1_STOP, ACBCTL1);
                 outb(ACBST_STASTR | ACBST_NEGACK, ACBST);
+
+                /* Reset the status register */
+                outb(0, ACBST);
                 return;
         }
 
@@ -228,6 +231,10 @@ static void scx200_acb_poll(struct scx200_acb_iface *iface)
         timeout = jiffies + POLL_TIMEOUT;
         while (time_before(jiffies, timeout)) {
                 status = inb(ACBST);
+
+                /* Reset the status register to avoid the hang */
+                outb(0, ACBST);
+
                 if ((status & (ACBST_SDAST|ACBST_BER|ACBST_NEGACK)) != 0) {
                         scx200_acb_machine(iface, status);
                         return;