summaryrefslogtreecommitdiff
path: root/drivers/i2c
diff options
context:
space:
mode:
authorPaul Mackerras <paulus@samba.org>2006-08-08 17:09:11 +1000
committerPaul Mackerras <paulus@samba.org>2006-08-08 17:09:11 +1000
commit32bc6e095d75233e7c87cc6fa0e07942b124d194 (patch)
tree8f83ef9a23d52d1305878b65dd98fc22b09b7f3e /drivers/i2c
parent5cf13911b1e72707b6f0eb39b2d819ec6e343d76 (diff)
parent81b73dd92b97423b8f5324a59044da478c04f4c4 (diff)
Merge branch 'merge'
Diffstat (limited to 'drivers/i2c')
-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)
unsigned long timeout;
timeout = jiffies + POLL_TIMEOUT;
- while (time_before(jiffies, timeout)) {
+ while (1) {
status = inb(ACBST);
/* Reset the status register to avoid the hang */
@@ -242,7 +242,10 @@ static void scx200_acb_poll(struct scx200_acb_iface *iface)
scx200_acb_machine(iface, status);
return;
}
- yield();
+ if (time_after(jiffies, timeout))
+ break;
+ cpu_relax();
+ cond_resched();
}
dev_err(&iface->adapter.dev, "timeout in state %s\n",