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authorDuncan Laurie <dlaurie@chromium.org>2013-05-29 07:49:55 -0700
committerAlexandru Gagniuc <mr.nuke.me@gmail.com>2013-12-01 05:44:33 +0100
commita522cf0c9c348ca75d8a758857c180db88c0f691 (patch)
treeb2898b6fdec902823835536f21df0813bbaf0b36 /src
parent44c0e4e11a9a5a7cb087bf42f0f6c47abc2b0aa5 (diff)
downloadcoreboot-a522cf0c9c348ca75d8a758857c180db88c0f691.tar.xz
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> Reviewed-on: http://review.coreboot.org/4210 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/southbridge/intel/lynxpoint/lpc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/southbridge/intel/lynxpoint/lpc.c b/src/southbridge/intel/lynxpoint/lpc.c
index ff50476a62..cc95454689 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));
}