Messages in this thread | | | Date | Fri, 6 Oct 2023 11:30:20 +0300 | From | Andy Shevchenko <> | Subject | Re: [PATCH] serial: core: Fix checks for tx runtime PM state |
| |
On Fri, Oct 06, 2023 at 10:27:38AM +0300, Tony Lindgren wrote: > * Andy Shevchenko <andriy.shevchenko@linux.intel.com> [231005 12:01]: > > On Thu, Oct 05, 2023 at 10:56:42AM +0300, Tony Lindgren wrote: > > > The serdev device and the serial core controller devices are siblings of > > > the serial port hardware device. The runtime PM usage count from serdev > > > > I'm a bit lost in terminology here. > > AFAIU there are: > > 1) children of the serial physical device; > > 2) siblings (to each other). > > > > But may be I mistakenly deciphered the diagram from the previous discussion. > > You're right, so how about: > > The serdev device and the serial core controller devices are children of > the serial port hardware device. The runtime PM usage count from serdev > device does not propagate to the serial core device siblings, it only > propagates to the parent.
Clearer, thank you!
-- With Best Regards, Andy Shevchenko
| |