From: "Bart Groeneveld | GPX Solutions B.V." <bart@xxxxxxxx> Not all tads have the PRW capability, which is totally OK, according to the ACPI spec [1]: > _PRW is only required for devices that have the ability to wake > the system from a system sleeping state. This partially solves [2] and [3]. [1]: https://uefi.org/sites/default/files/resources/ACPI_Spec_6_4_Jan22.pdf [2]: https://bugzilla.kernel.org/show_bug.cgi?id=212313 [3]: https://github.com/linux-surface/linux-surface/issues/415 Signed-off-by: Bart Groeneveld | GPX Solutions B.V. <bart@xxxxxxxx> --- drivers/acpi/acpi_tad.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/acpi/acpi_tad.c b/drivers/acpi/acpi_tad.c index e9b8e8305e23..67f71fa4362f 100644 --- a/drivers/acpi/acpi_tad.c +++ b/drivers/acpi/acpi_tad.c @@ -604,11 +604,6 @@ static int acpi_tad_probe(struct platform_device *pdev) return -ENODEV; } - if (!acpi_has_method(handle, "_PRW")) { - dev_info(dev, "Missing _PRW\n"); - return -ENODEV; - } - dd = devm_kzalloc(dev, sizeof(*dd), GFP_KERNEL); if (!dd) return -ENOMEM; -- 2.38.1
