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From 1024b5e6c476dcc195dca742746735277f63236b Mon Sep 17 00:00:00 2001
From: Leah Woods <info@minifree.org>
Date: Mon, 13 Oct 2014 00:14:53 +0100
Subject: [PATCH 5/9] NOTFORMERGE: ec/lenovo/h8:
wlan/trackpoint/touchpad/bluetooth/wwan
Permanently enable them.
Change-Id: Ic76ab9ab9c865f30312378e18af58bece6c3260a
Signed-off-by: Leah Woods <info@minifree.org>
---
src/ec/lenovo/h8/h8.c | 21 +++++++++++----------
src/ec/lenovo/pmh7/pmh7.c | 11 ++++-------
2 files changed, 15 insertions(+), 17 deletions(-)
diff --git a/src/ec/lenovo/h8/h8.c b/src/ec/lenovo/h8/h8.c
index 2cafc88..a6cb6b6 100644
--- a/src/ec/lenovo/h8/h8.c
+++ b/src/ec/lenovo/h8/h8.c
@@ -255,9 +255,11 @@ static void h8_enable(struct device *dev)
ec_write(H8_FAN_CONTROL, H8_FAN_CONTROL_AUTO);
- if (get_option(&val, "wlan") != CB_SUCCESS)
- val = 1;
- h8_wlan_enable(val);
+ // Permanently enable wifi
+ // Intel wifi could be a security risk because it uses firmware. Wlan chip has DMA
+ // and could leak data over a side-channel. Using another manufacturer is recommended.
+ // see http://libreboot.org/docs/index.html#recommended_wifi
+ h8_wlan_enable(1);
h8_trackpoint_enable(1);
h8_usb_power_enable(1);
@@ -265,14 +267,13 @@ static void h8_enable(struct device *dev)
if (get_option(&val, "volume") == CB_SUCCESS)
ec_write(H8_VOLUME_CONTROL, val);
- if (get_option(&val, "bluetooth") != CB_SUCCESS)
- val = 1;
- h8_bluetooth_enable(val);
-
- if (get_option(&val, "wwan") != CB_SUCCESS)
- val = 1;
+ // Permanently enable bluetooth.
+ // NOTE: bluetooth is a potential security risk. Physical removal of the bluetooth module is recommended.
+ h8_bluetooth_enable(1);
- h8_wwan_enable(val);
+ // Permanently enable wwan.
+ // NOTE: wwan is a security risk (remove access plus DMA). Physical removal of both the wwan and sim card is recommended.
+ h8_wwan_enable(1);
if (conf->has_uwb) {
if (get_option(&val, "uwb") != CB_SUCCESS)
diff --git a/src/ec/lenovo/pmh7/pmh7.c b/src/ec/lenovo/pmh7/pmh7.c
index cc6e891..38aef16 100644
--- a/src/ec/lenovo/pmh7/pmh7.c
+++ b/src/ec/lenovo/pmh7/pmh7.c
@@ -106,7 +106,6 @@ static void enable_dev(struct device *dev)
{
struct ec_lenovo_pmh7_config *conf = dev->chip_info;
struct resource *resource;
- u8 val;
resource = new_resource(dev, EC_LENOVO_PMH7_INDEX);
resource->flags = IORESOURCE_IO | IORESOURCE_FIXED;
@@ -118,13 +117,11 @@ static void enable_dev(struct device *dev)
pmh7_backlight_enable(conf->backlight_enable);
pmh7_dock_event_enable(conf->dock_event_enable);
- if (get_option(&val, "touchpad") != CB_SUCCESS)
- val = 1;
- pmh7_touchpad_enable(val);
+ // Permanently enable touchpad
+ pmh7_touchpad_enable(1);
- if (get_option(&val, "trackpoint") != CB_SUCCESS)
- val = 1;
- pmh7_trackpoint_enable(val);
+ // Permanently enable trackpoint
+ pmh7_trackpoint_enable(1);
}
struct chip_operations ec_lenovo_pmh7_ops = {
--
1.9.1
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