From 8927fbf481248954ca1fc5e652171936b94905ac Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Wed, 3 Apr 2019 14:40:18 +0200 Subject: i2c: algo: bit: add flag to whitelist atomic transfers Use the new xfer_atomic callback to check a newly introduced flag to whitelist atomic transfers. This will report configurations which worked accidently. Signed-off-by: Wolfram Sang Signed-off-by: Wolfram Sang --- include/linux/i2c-algo-bit.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux/i2c-algo-bit.h') diff --git a/include/linux/i2c-algo-bit.h b/include/linux/i2c-algo-bit.h index 69045df78e2d..7fd5575a368f 100644 --- a/include/linux/i2c-algo-bit.h +++ b/include/linux/i2c-algo-bit.h @@ -33,6 +33,7 @@ struct i2c_algo_bit_data { minimum 5 us for standard-mode I2C and SMBus, maximum 50 us for SMBus */ int timeout; /* in jiffies */ + bool can_do_atomic; /* callbacks don't sleep, we can be atomic */ }; int i2c_bit_add_bus(struct i2c_adapter *); -- cgit v1.2.3-59-g8ed1b