From 4f8a4f17fb1c8c1deba0b3cbd11205e9c9080697 Mon Sep 17 00:00:00 2001
From: Ryder Lee <ryder.lee@mediatek.com>
Date: Mon, 22 Jul 2019 16:50:09 +0800
Subject: [PATCH] mt76: mt7615: update cw_min/max related settings
Git-commit: 4f8a4f17fb1c8c1deba0b3cbd11205e9c9080697
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430

Add default values of cw_min/max and use fls() for configuration.

Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 drivers/net/wireless/mediatek/mt76/mt7615/mcu.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 6269abc78606..c1f71213ef07 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -626,6 +626,8 @@ int mt7615_mcu_set_wmm(struct mt7615_dev *dev, u8 queue,
 #define WMM_CW_MIN_SET	BIT(1)
 #define WMM_CW_MAX_SET	BIT(2)
 #define WMM_TXOP_SET	BIT(3)
+#define WMM_PARAM_SET	(WMM_AIFS_SET | WMM_CW_MIN_SET | \
+			 WMM_CW_MAX_SET | WMM_TXOP_SET)
 	struct req_data {
 		u8 number;
 		u8 rsv[3];
@@ -638,19 +640,17 @@ int mt7615_mcu_set_wmm(struct mt7615_dev *dev, u8 queue,
 	} __packed req = {
 		.number = 1,
 		.queue = queue,
-		.valid = WMM_AIFS_SET | WMM_TXOP_SET,
+		.valid = WMM_PARAM_SET,
 		.aifs = params->aifs,
+		.cw_min = 5,
+		.cw_max = cpu_to_le16(10),
 		.txop = cpu_to_le16(params->txop),
 	};
 
-	if (params->cw_min) {
-		req.valid |= WMM_CW_MIN_SET;
-		req.cw_min = params->cw_min;
-	}
-	if (params->cw_max) {
-		req.valid |= WMM_CW_MAX_SET;
-		req.cw_max = cpu_to_le16(params->cw_max);
-	}
+	if (params->cw_min)
+		req.cw_min = fls(params->cw_min);
+	if (params->cw_max)
+		req.cw_max = cpu_to_le16(fls(params->cw_max));
 
 	return __mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD_EDCA_UPDATE,
 				   &req, sizeof(req), true);
-- 
2.16.4