On Mon, Jan 30, 2017 at 11:33:10AM +0200, Mika Westerberg wrote: > On Mon, Jan 30, 2017 at 09:28:09AM +0100, Rafael J. Wysocki wrote: > > On Mon, Jan 30, 2017 at 9:18 AM, Thierry Reding > > <thierry.reding@xxxxxxxxx> wrote: > > > On Sun, Jan 22, 2017 at 05:14:09PM +0100, Hans de Goede wrote: > > >> On x86 we do not have devicetree to link the PWM controller and > > >> the display controller together. So someone needs to call > > >> pwm_add_table() to create the link, so that the i915 driver's > > >> pwm_get(dev, "pwm_backlight") call returns the lpss' pwm0. > > >> > > >> The PWM subsystem does not want to have pwm_add_table() calls > > >> directly in PWM drivers (this leads to probe ordering issues), > > >> so lets do it here since the acpi-lpss code is always builtin. > > >> > > >> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > > >> Acked-by: Thierry Reding <thierry.reding@xxxxxxxxx> > > >> --- > > >> Changes in v2: > > >> -Set new pwm_lookup module_name field in the table > > >> --- > > >> drivers/acpi/acpi_lpss.c | 13 +++++++++++++ > > >> 1 file changed, 13 insertions(+) > > > > > > Rafael, do you mind if I take this through the PWM tree to resolve the > > > build-time dependency? > > > > No, I don't, please go ahead, unless Mika/Andy see any problems in it. > > No problems from my side - looks good. I've pulled this into a separate branch that also contains the prerequisites, so if you ever need this in ACPI, I can provide a stable branch or tag. Thanks, Thierry
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