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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>
This commit is contained in:
Duncan Laurie 2013-05-29 07:49:55 -07:00 committed by Alexandru Gagniuc
parent 44c0e4e11a
commit a522cf0c9c
1 changed files with 1 additions and 1 deletions
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2
src/southbridge/intel/lynxpoint/lpc.c
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@ -701,7 +701,7 @@ static void pch_lpc_read_resources(device_t dev)
/* Allocate ACPI NVS in CBMEM */ /* Allocate ACPI NVS in CBMEM */
gnvs = cbmem_add(CBMEM_ID_ACPI_GNVS, sizeof(global_nvs_t)); 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)); memset(gnvs, 0, sizeof(global_nvs_t));
} }