[coreboot-gerrit] New patch to review for coreboot: sio/ite/it8783ef: Return (0) in ACPI _PSC methods

[Nico Huber (nico.h@gmx.de)]

Nico Huber (nico.h at gmx.de) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17791

-gerrit

commit c0ad3645c9873a4680e9fefc89c9fea63094d93f
Author: Nico Huber <nico.h at gmx.de>
Date:   Sun Dec 11 02:04:44 2016 +0100

    sio/ite/it8783ef: Return (0) in ACPI _PSC methods
    
    Current ACPI code for UARTs uses the PNP_DEFAULT_PSC macro for _PSC
    (current power state) methods. Override it to `Return (0)` (i.e. cur-
    rent state is D0) as the IT8783E/F doesn't have power management.
    
    Change-Id: I3c858dde287dbf7e5fc0c20abb1fd374887acdde
    Signed-off-by: Nico Huber <nico.h at gmx.de>
---
 src/superio/ite/it8783ef/acpi/superio.asl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/superio/ite/it8783ef/acpi/superio.asl b/src/superio/ite/it8783ef/acpi/superio.asl
index 38527dd..d7a320e 100644
--- a/src/superio/ite/it8783ef/acpi/superio.asl
+++ b/src/superio/ite/it8783ef/acpi/superio.asl
@@ -51,6 +51,9 @@
 #define SUPERIO_CHIP_NAME IT8783EF
 #include <superio/acpi/pnp.asl>
 
+#undef PNP_DEFAULT_PSC
+#define PNP_DEFAULT_PSC Return (0) /* no power management */
+
 #define CONFIGURE_CONTROL CCTL
 
 Device(SUPERIO_DEV) {