On Thu, Apr 17, 2014 at 12:06:34PM +0200, Carlo Caione wrote: > I'm fighting with a small issue when using the > regulator_bulk_register_supply_alias(). Problem is that when using the > .parent_supplies entry in the MFD driver, I hit the > > WARN_ON(!list_empty(&dev->devres_head)); > > in linux/drivers/base/dd.c#L272, but, apart from the warning, > everything seems to work correctly. > A possible explanation I gave myself is that in the mfd_add_device() > we try to use the devm_* API when the regulator device is not bound to > the driver yet (I found some information here > http://lists.infradead.org/pipermail/linux-arm-kernel/2012-June/104442.html). > Is this the case? Without knowing more about the case you're hitting it's hard to say - I do run a board which exercises the API for a MFD (with the arizona drivers) regularly and haven't noticed an issue so there must be something different about what you're trying to do.
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