]> git.karo-electronics.de Git - linux-beck.git/commit
PM / runtime: print error when activating a child to unactive parent
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 20 Jun 2016 09:14:26 +0000 (11:14 +0200)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Mon, 27 Jun 2016 22:40:30 +0000 (00:40 +0200)
commit71723f95463d284004bd0afe1825e6790a0c90d0
tree6543dea066773786c85fed006c42cb2baa20a35c
parent4c2e07c6a29e0129e975727b9f57eede813eea85
PM / runtime: print error when activating a child to unactive parent

The code currently silently bails out with -EBUSY if you try to
activate a child to an inactive parent.

This typically happens when you have a runtime suspended parent
and runtime resume your child, but forgot to set .ignore_children
on the parent to true with pm_suspend_ignore_children(dev).

Silently ignoring this error is not good as it gives rise to
other strange behaviour like double-resume of devices after
silently bailing out of the .runtime_resume() callback.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/base/power/runtime.c