Subject: [PATCH v2 01/10] tpm/tpm_i2c_infineon: switch to i2c_lock_bus(..., I2C_LOCK_SEGMENT)

From: [email-masked] (Jarkko Sakkinen)
Date: Mon, 25 Jun 2018 13:24:54 +0300

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 <[email-masked]>

Studied enough so that I can give

Reviewed-by: Jarkko Sakkinen <[email-masked]>

Do not have hardware to test this, however.

/Jarkko