On Fri, Sep 16, 2016 at 06:02:41PM +0200, Bartosz Golaszewski wrote: > If an I2C GPIO multiplexer is driven by a GPIO provided by an expander > when there's a second expander using the same device driver on one of > the I2C bus segments, lockdep prints a deadlock warning when trying to > set the direction or the value of the GPIOs provided by the second > expander. > > This series exports an already existing function from i2c-core as > public API and reuses it in pca953x to pass a correct lock subclass > to lockdep. Looks good from my POV, but will wait for Peter to comment. If accepted, I'd think this should go via my I2C tree and I would like to ask Linus to ack patch 4. D'accord, everyone? Thanks, Wolfram
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