[Intel-gfx] [PATCH v2 3/3] acpi: lpss: call pwm_add_table() for bsw PWM device

Rafael J. Wysocki rafael at kernel.org
Mon Jan 30 08:28:09 UTC 2017

On Mon, Jan 30, 2017 at 9:18 AM, Thierry Reding
<thierry.reding at gmail.com> 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 at redhat.com>
>> Acked-by: Thierry Reding <thierry.reding at gmail.com>
>> ---
>> 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.


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