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| author | Paul Mackerras <paulus@samba.org> | 2006-08-08 17:09:11 +1000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-08-08 17:09:11 +1000 |
| commit | 32bc6e095d75233e7c87cc6fa0e07942b124d194 (patch) | |
| tree | 8f83ef9a23d52d1305878b65dd98fc22b09b7f3e /drivers/i2c | |
| parent | 5cf13911b1e72707b6f0eb39b2d819ec6e343d76 (diff) | |
| parent | 81b73dd92b97423b8f5324a59044da478c04f4c4 (diff) | |
| download | linux-3.10-32bc6e095d75233e7c87cc6fa0e07942b124d194.tar.gz linux-3.10-32bc6e095d75233e7c87cc6fa0e07942b124d194.tar.bz2 linux-3.10-32bc6e095d75233e7c87cc6fa0e07942b124d194.zip | |
Merge branch 'merge'
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/scx200_acb.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index ced309ff056..eae9e81be37 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", |