From 04c71deceb7ebb5ab89a43a2f9c3e495d5f0aaf3 Mon Sep 17 00:00:00 2001 From: Tim Wawrzynczak Date: Thu, 5 Aug 2021 09:32:37 -0600 Subject: drivers/spi/acpi: Update _S0W return value to D3hot In order to support wake from D3cold, most devices require extra circuitry and possibly out-of-band communications to the host. Therefore, assume that most SPI peripherals that do have wake capabilities support wake from D3hot rather than D3cold. This also allows coreboot to expose a power resource to perform power sequencing for a SPI peripheral that is intended to retain power in S3/S0ix. If support for a device with d3cold wake support is needed, it could be added in later as an option. BUG=b:187228954 TEST=compile Change-Id: I1d739b49c1a43007eb0199fe39b3b7d7375e6577 Signed-off-by: Tim Wawrzynczak Reviewed-on: https://review.coreboot.org/c/coreboot/+/56833 Tested-by: build bot (Jenkins) Reviewed-by: Furquan Shaikh --- src/drivers/spi/acpi/acpi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/drivers') diff --git a/src/drivers/spi/acpi/acpi.c b/src/drivers/spi/acpi/acpi.c index b23bc9d7a9..abebd88095 100644 --- a/src/drivers/spi/acpi/acpi.c +++ b/src/drivers/spi/acpi/acpi.c @@ -125,7 +125,7 @@ static void spi_acpi_fill_ssdt_generator(const struct device *dev) /* Wake capabilities */ if (config->wake) { - acpigen_write_name_integer("_S0W", 4); + acpigen_write_name_integer("_S0W", ACPI_DEVICE_SLEEP_D3_HOT); acpigen_write_PRW(config->wake, 3); }; -- cgit v1.2.3