Messages in this thread | | | Date | Fri, 16 Sep 2016 19:26:21 +0200 | From | Wolfram Sang <> | Subject | Re: [PATCH v2 0/4] gpio: fix an incorrect lockdep warning |
| |
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
[unhandled content-type:application/pgp-signature] | |