On Fri, May 19, 2017 at 11:36:00PM -0700, Stefan Agner wrote: > The case I observed this is when reprobing > drivers/pinctrl/freescale/pinctrl-imx.c. In this driver > regmap_attach_dev is used in imx_pinctrl_probe. When the driver gets > removed and probed again, the above warning appears since the debugfs > entries have not been removed in between...
There's a jump somewhere between the problem you're reporting here and devres being a fix - surely the problem here is that we're not cleaning things up properly on destruction of the regmap? > Afaics, at least for external users, using devres for debugfs makes > sense since regmap (m) is already using devres... We should be able to destroy a regmap separately to removal of a device. If we're requiring managed access something is wrong. > We can drop this change, but then we have to add a private version of > regmap_attach_dev which does not add resource managed cleanup of > regmap_debugfs_exit... I'm sorry but I'm still not following the logic here.
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