Messages in this thread | | | Date | Mon, 25 Jun 2018 13:24:54 +0300 | From | Jarkko Sakkinen <> | Subject | Re: [PATCH v2 01/10] tpm/tpm_i2c_infineon: switch to i2c_lock_bus(..., I2C_LOCK_SEGMENT) |
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On Wed, Jun 20, 2018 at 07:17:54AM +0200, Peter Rosin wrote: > Locking the root adapter for __i2c_transfer will deadlock if the > device sits behind a mux-locked I2C mux. Switch to the finer-grained > i2c_lock_bus with the I2C_LOCK_SEGMENT flag. If the device does not > sit behind a mux-locked mux, the two locking variants are equivalent. > > Signed-off-by: Peter Rosin <peda@axentia.se>
Studied enough so that I can give
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Do not have hardware to test this, however.
/Jarkko
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