---

yaml
---
r: 256218
b: refs/heads/master
c: 0c00504
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 86046da4afe068991b77e0a4c4b79b99ad961bda
+refs/heads/master: 0c005048aa3cd3ac7bfdd3c6fcc20ea4f0ab667d

trunk/drivers/net/wireless/wl12xx/boot.c

@@ -749,6 +749,9 @@ int wl1271_load_firmware(struct wl1271 *wl)
 		clk |= (wl->ref_clock << 1) << 4;
 	}
 
+	if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
+		clk |= SCRATCH_ENABLE_LPD;
+
 	wl1271_write32(wl, DRPW_SCRATCH_START, clk);
 
 	wl1271_set_partition(wl, &part_table[PART_WORK]);

trunk/drivers/net/wireless/wl12xx/cmd.c

@@ -134,6 +134,11 @@ int wl1271_cmd_general_parms(struct wl1271 *wl)
 	/* Override the REF CLK from the NVS with the one from platform data */
 	gen_parms->general_params.ref_clock = wl->ref_clock;
 
+	/* LPD mode enable (bits 6-7) in WL1271 AP mode only */
+	if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
+		gen_parms->general_params.general_settings |=
+			GENERAL_SETTINGS_DRPW_LPD;
+
 	ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
 	if (ret < 0) {
 		wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");

trunk/drivers/net/wireless/wl12xx/ini.h

@@ -24,6 +24,9 @@
 #ifndef __INI_H__
 #define __INI_H__
 
+#define GENERAL_SETTINGS_DRPW_LPD 0xc0
+#define SCRATCH_ENABLE_LPD        BIT(25)
+
 #define WL1271_INI_MAX_SMART_REFLEX_PARAM 16
 
 struct wl1271_ini_general_params {

trunk/drivers/net/wireless/wl12xx/main.c

@@ -1191,9 +1191,13 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
 		wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)",
 			     wl->chip.id);
 
-		/* end-of-transaction flag should be set in wl127x AP mode */
+		/*
+		 * 'end-of-transaction flag' and 'LPD mode flag'
+		 * should be set in wl127x AP mode only
+		 */
 		if (wl->bss_type == BSS_TYPE_AP_BSS)
-			wl->quirks |= WL12XX_QUIRK_END_OF_TRANSACTION;
+			wl->quirks |= (WL12XX_QUIRK_END_OF_TRANSACTION |
+				       WL12XX_QUIRK_LPD_MODE);
 
 		ret = wl1271_setup(wl);
 		if (ret < 0)
@@ -1206,6 +1210,7 @@ static int wl1271_chip_wakeup(struct wl1271 *wl)
 		ret = wl1271_setup(wl);
 		if (ret < 0)
 			goto out;
+
 		if (wl1271_set_block_size(wl))
 			wl->quirks |= WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT;
 		break;

trunk/drivers/net/wireless/wl12xx/wl12xx.h

@@ -645,4 +645,10 @@ int wl1271_recalc_rx_streaming(struct wl1271 *wl);
 /* WL128X requires aggregated packets to be aligned to the SDIO block size */
 #define WL12XX_QUIRK_BLOCKSIZE_ALIGNMENT	BIT(2)
 
+/*
+ * WL127X AP mode requires Low Power DRPw (LPD) enable to reduce power
+ * consumption
+ */
+#define WL12XX_QUIRK_LPD_MODE                   BIT(3)
+
 #endif