[coreboot-gerrit] Patch set updated for coreboot: intel/apollolake: Skip ITSS configuration in SMM

[Furquan Shaikh (furquan@google.com)]

Furquan Shaikh (furquan at google.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16242

-gerrit

commit 52e5fa70a21c16da5a50eb33679c72ab5390e9b7
Author: Furquan Shaikh <furquan at google.com>
Date:   Wed Aug 17 16:16:39 2016 -0700

    intel/apollolake: Skip ITSS configuration in SMM
    
    In SMM, gpio configuration could be done to avoid leakage. ITSS
    configuration is not required when entering sleep. Thus, bail out early
    from itss configuration if in SMM.
    
    BUG=chrome-os-partner:56281
    
    Change-Id: I4d8be0513aa202f001f980bb91986b50b8ed2a5b
    Signed-off-by: Furquan Shaikh <furquan at google.com>
---
 src/soc/intel/apollolake/gpio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/soc/intel/apollolake/gpio.c b/src/soc/intel/apollolake/gpio.c
index 8b89dfd..8e4ff3e 100644
--- a/src/soc/intel/apollolake/gpio.c
+++ b/src/soc/intel/apollolake/gpio.c
@@ -72,6 +72,10 @@ static const struct pad_community *gpio_get_community(uint16_t pad)
 static void gpio_configure_itss(const struct pad_config *cfg,
 				uint16_t port, uint16_t pad_cfg_offset)
 {
+	/* No ITSS configuration in SMM. */
+	if (ENV_SMM)
+		return;
+
 	int irq;
 
 	/* Set up ITSS polarity if pad is routed to APIC.