Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4210
-gerrit
commit 4b34db99e81a8c2ee9826b854fde848d2ba7442b Author: Duncan Laurie dlaurie@chromium.org Date: Wed May 29 07:49:55 2013 -0700
lynxpoint: Do not clear ACPI NVS region on resume
There are useful values in NVS that are set at boot and runtime and they should not be cleared on resume.
suspend/resume twice on slippy and ensure that the USB ports are still powered on the second suspend.
Change-Id: I4bce60b02b6637f6683120ae9c4a5c64563aacf7 Signed-off-by: Duncan Laurie dlaurie@chromium.org Reviewed-on: https://gerrit.chromium.org/gerrit/56941 Reviewed-by: Aaron Durbin adurbin@chromium.org --- src/southbridge/intel/lynxpoint/lpc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c index ff50476..cc95454 100644 --- a/src/southbridge/intel/lynxpoint/lpc.c +++ b/src/southbridge/intel/lynxpoint/lpc.c @@ -701,7 +701,7 @@ static void pch_lpc_read_resources(device_t dev)
/* Allocate ACPI NVS in CBMEM */ gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(global_nvs_t)); - if (gnvs) + if (acpi_slp_type != 3 && gnvs) memset(gnvs, 0, sizeof(global_nvs_t)); }