diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/i2c-core-base.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 875d6cacaa17..db6558e5f657 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -205,9 +205,6 @@ static int i2c_generic_recovery(struct i2c_adapter *adap) */ while (i++ < RECOVERY_CLK_CNT * 2) { if (val) { - /* Break if SDA is high */ - if (bri->get_sda && bri->get_sda(adap)) - break; /* SCL shouldn't be low here */ if (!bri->get_scl(adap)) { dev_err(&adap->dev, @@ -215,6 +212,9 @@ static int i2c_generic_recovery(struct i2c_adapter *adap) ret = -EBUSY; break; } + /* Break if SDA is high */ + if (bri->get_sda && bri->get_sda(adap)) + break; } val = !val; @@ -222,6 +222,10 @@ static int i2c_generic_recovery(struct i2c_adapter *adap) ndelay(RECOVERY_NDELAY); } + /* check if recovery actually succeeded */ + if (bri->get_sda && !bri->get_sda(adap)) + ret = -EBUSY; + if (bri->unprepare_recovery) bri->unprepare_recovery(adap); |