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-rw-r--r--drivers/net/wireless/libertas/dev.h1
-rw-r--r--drivers/net/wireless/libertas/host.h5
-rw-r--r--drivers/net/wireless/libertas/wext.c7
3 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h
index fe504575735..1c6ec4d6198 100644
--- a/drivers/net/wireless/libertas/dev.h
+++ b/drivers/net/wireless/libertas/dev.h
@@ -260,6 +260,7 @@ struct lbs_private {
u16 psmode; /* Wlan802_11PowermodeCAM=disable
Wlan802_11PowermodeMAX_PSP=enable */
u32 psstate;
+ char ps_supported;
u8 needtowakeup;
struct PS_CMD_ConfirmSleep lbs_ps_confirm_sleep;
diff --git a/drivers/net/wireless/libertas/host.h b/drivers/net/wireless/libertas/host.h
index 4c03e12fd6a..1aa04076b1a 100644
--- a/drivers/net/wireless/libertas/host.h
+++ b/drivers/net/wireless/libertas/host.h
@@ -209,6 +209,11 @@
#define CMD_TYPE_MAX_PSP 0x0001
#define CMD_TYPE_FAST_PSP 0x0002
+/* Options for CMD_802_11_FW_WAKE_METHOD */
+#define CMD_WAKE_METHOD_UNCHANGED 0x0000
+#define CMD_WAKE_METHOD_COMMAND_INT 0x0001
+#define CMD_WAKE_METHOD_GPIO 0x0002
+
/* Define action or option for CMD_BT_ACCESS */
enum cmd_bt_access_opts {
/* The bt commands start at 5 instead of 1 because the old dft commands
diff --git a/drivers/net/wireless/libertas/wext.c b/drivers/net/wireless/libertas/wext.c
index b1e24723f2f..3e8d555ba3a 100644
--- a/drivers/net/wireless/libertas/wext.c
+++ b/drivers/net/wireless/libertas/wext.c
@@ -734,6 +734,13 @@ static int lbs_set_power(struct net_device *dev, struct iw_request_info *info,
lbs_deb_enter(LBS_DEB_WEXT);
+ if (!priv->ps_supported) {
+ if (vwrq->disabled)
+ return 0;
+ else
+ return -EINVAL;
+ }
+
/* PS is currently supported only in Infrastructure mode
* Remove this check if it is to be supported in IBSS mode also
*/