Re: [PATCH 0/6] ACPI: EC: Updates related to initialization

From: Rafael J. Wysocki
Date: Tue Mar 03 2020 - 17:23:25 EST


On Tue, Mar 3, 2020 at 10:09 AM Rafael J. Wysocki <rafael@xxxxxxxxxx> wrote:
>
> On Tue, Mar 3, 2020 at 8:29 AM Jian-Hong Pan <jian-hong@xxxxxxxxxxxx> wrote:
> >
> > Rafael J. Wysocki <rafael@xxxxxxxxxx> æ 2020å3æ2æ éä äå7:45åéï
> > >

[cut]

> >
> > Originally, ec_install_handlers() will return the returned value from
> > install_gpio_irq_event_handler() from acpi_dev_gpio_irq_get(), which
> > is -EPROBE_DEFER, instead of -ENXIO. However, ec_install_handlers()
> > returns -ENXIO directly if install_gpio_irq_event_handler() returns
> > false in patch ("ACPI: EC: Consolidate event handler installation
> > code"). Here needs some modification.
>
> Thanks, I forgot about the -EPROBE_DEFER case.

The top-most commit in the git branch at

git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git \
acpi-ec-work

has been updated to take that case into account (I think that it
should be spelled out explicitly or it will be very easy to overlook
in the future).

Please test this one if possible.