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-rw-r--r--drivers/i2c/busses/scx200_acb.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c
index ced309ff056f..eae9e81be375 100644
--- a/drivers/i2c/busses/scx200_acb.c
+++ b/drivers/i2c/busses/scx200_acb.c
@@ -232,7 +232,7 @@ static void scx200_acb_poll(struct scx200_acb_iface *iface)
232 unsigned long timeout; 232 unsigned long timeout;
233 233
234 timeout = jiffies + POLL_TIMEOUT; 234 timeout = jiffies + POLL_TIMEOUT;
235 while (time_before(jiffies, timeout)) { 235 while (1) {
236 status = inb(ACBST); 236 status = inb(ACBST);
237 237
238 /* Reset the status register to avoid the hang */ 238 /* Reset the status register to avoid the hang */
@@ -242,7 +242,10 @@ static void scx200_acb_poll(struct scx200_acb_iface *iface)
242 scx200_acb_machine(iface, status); 242 scx200_acb_machine(iface, status);
243 return; 243 return;
244 } 244 }
245 yield(); 245 if (time_after(jiffies, timeout))
246 break;
247 cpu_relax();
248 cond_resched();
246 } 249 }
247 250
248 dev_err(&iface->adapter.dev, "timeout in state %s\n", 251 dev_err(&iface->adapter.dev, "timeout in state %s\n",