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| author | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-03-21 00:26:18 -0700 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2012-03-21 00:26:18 -0700 |
| commit | 3d04d42312eacc68fbcddea337f7eb34bc035dfb (patch) | |
| tree | 7211df5704b743a7667159748c670a9744164482 /drivers/i2c/algos/i2c-algo-bit.c | |
| parent | c98291ee1ceac03912e24b3219fa6e7dc0d52f5e (diff) | |
| parent | 69a7aebcf019ab3ff5764525ad6858fbe23bb86d (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/i2c/algos/i2c-algo-bit.c')
| -rw-r--r-- | drivers/i2c/algos/i2c-algo-bit.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index 525c7345fa0b..24f94f4ae395 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -103,8 +103,14 @@ static int sclhi(struct i2c_algo_bit_data *adap) * chips may hold it low ("clock stretching") while they * are processing data internally. */ - if (time_after(jiffies, start + adap->timeout)) + if (time_after(jiffies, start + adap->timeout)) { + /* Test one last time, as we may have been preempted + * between last check and timeout test. + */ + if (getscl(adap)) + break; return -ETIMEDOUT; + } cond_resched(); } #ifdef DEBUG |