Re: question about concurrent regmap i2c usage

2017-04-04 Thread Michael Hennerich
On 04.04.2017 14:26, Mark Brown wrote: On Tue, Apr 04, 2017 at 10:28:23AM +0200, Michael Hennerich wrote: A question came up, regarding whether it's recommended to mix regmap_i2c and plain i2c_smbus or direct adapter transfers. In this specific case for the i2c MUX portion we need to avoid d

Re: question about concurrent regmap i2c usage

2017-04-04 Thread Mark Brown
On Tue, Apr 04, 2017 at 10:28:23AM +0200, Michael Hennerich wrote: > A question came up, regarding whether it's recommended to mix regmap_i2c and > plain i2c_smbus or direct adapter transfers. > In this specific case for the i2c MUX portion we need to avoid double locks, > and therefore use un-lo

question about concurrent regmap i2c usage

2017-04-04 Thread Michael Hennerich
Hi Mark, During the discussion here: https://lkml.org/lkml/2017/4/4/76 A question came up, regarding whether it's recommended to mix regmap_i2c and plain i2c_smbus or direct adapter transfers. In this specific case for the i2c MUX portion we need to avoid double locks, and therefore use un-l