[S] Change in coreboot[master]: soc/intel/common/block/uart: Show ACPI UART in OS

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/70155 )

Change subject: soc/intel/common/block/uart: Show ACPI UART in OS
......................................................................

soc/intel/common/block/uart: Show ACPI UART in OS

Do not hide UARTs in ACPI mode from the OS, as this prevents using them
on at least Windows. Currently, the driver is only used on the Prodrive
Hermes mainboard.

Change-Id: I01bdccff1b11e1862970c924fd5fc7718a2d6ce9
Signed-off-by: Angel Pons 
---
M src/soc/intel/common/block/uart/uart.c
1 file changed, 17 insertions(+), 1 deletion(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/55/70155/1

diff --git a/src/soc/intel/common/block/uart/uart.c b/src/soc/intel/common/block/uart/uart.c
index b881c58..0ca3361 100644
--- a/src/soc/intel/common/block/uart/uart.c
+++ b/src/soc/intel/common/block/uart/uart.c
@@ -253,7 +253,9 @@

acpi_device_write_uid(dev);
    acpigen_write_name_string("_DDN", "LPSS ACPI UART");
-	acpigen_write_STA(acpi_device_status(dev));
+
+	/* Do not hide the UART device from the OS */
+	acpigen_write_STA(ACPI_STATUS_DEVICE_ALL_ON);

/* Resources */
    acpigen_write_name("_CRS");