On Sun, May 14, 2017 at 09:51:03PM +0200, Peter Rosin wrote: > From: Peter Rosin <peda@xxxxxxxxxx> > > Hi Greg, > > Philipp found problems in v14 with using a mutex for locking that was > the outcome of the review for v13, so I'm now using a semaphore instead > of the rwsem that was in v13. That at least got rid of the scary call > to downgrade_write. However, I'm still unsure about what you actually > meant with your comment about lack of sparse markings [1]. I did add > __must_check to the funcs that selects the mux, but I've got this > feeling that this is not what you meant? I thought there was a way to mark a function as requiring a lock be held when it is being called. Does sparse not support that anymore? thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html