diff options
Diffstat (limited to 'drivers/i2c/i2c-core-base.c')
| -rw-r--r-- | drivers/i2c/i2c-core-base.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 4e6300dc2c4e..f8e85983cb04 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1867,8 +1867,11 @@ int __i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if (WARN_ON(!msgs || num < 1)) return -EINVAL; - if (WARN_ON(test_bit(I2C_ALF_IS_SUSPENDED, &adap->locked_flags))) + if (test_bit(I2C_ALF_IS_SUSPENDED, &adap->locked_flags)) { + if (!test_and_set_bit(I2C_ALF_SUSPEND_REPORTED, &adap->locked_flags)) + dev_WARN(&adap->dev, "Transfer while suspended\n"); return -ESHUTDOWN; + } if (adap->quirks && i2c_check_for_quirks(adap, msgs, num)) return -EOPNOTSUPP; |