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Date:   Mon, 25 Jun 2018 13:24:54 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To:     Peter Rosin <peda@axentia.se>
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Subject: Re: [PATCH v2 01/10] tpm/tpm_i2c_infineon: switch to
 i2c_lock_bus(..., I2C_LOCK_SEGMENT)
Message-ID: <20180625102454.GA3845@linux.intel.com>
References: <20180620051803.12206-1-peda@axentia.se>
 <20180620051803.12206-2-peda@axentia.se>
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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