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i2c: algo: bit: add flag to whitelist atomic transfers

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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 <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2019-04-03 14:40:18 +02:00 • committed by Wolfram Sang
parent 252fa60e70
commit 8927fbf481
2 changed files with 21 additions and 2 deletions
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1
include/linux/i2c-algo-bit.h
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@ -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 *);