[PATCH 7/8] wifi: rtw89: 8851b: add support WoWLAN to 8851B

[Ping-Ke Shih <pkshih@realtek.com>]

From: Chih-Kang Chang <gary.chang@realtek.com>

Add WoWLAN stub to 8851B, and decalre this chip can support magic packet
and disconnect wakeup.

Signed-off-by: Chih-Kang Chang <gary.chang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/rtw8851b.c | 12 ++++++++++++
 drivers/net/wireless/realtek/rtw89/wow.c      |  2 +-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851b.c b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
index 5ed699ab75a40..ce5c7a8644c39 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8851b.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8851b.c
@@ -31,6 +31,15 @@ static const struct rtw89_chip_ops rtw8851b_chip_ops = {
 	.h2c_dctl_sec_cam	= NULL,
 };
 
+#ifdef CONFIG_PM
+static const struct wiphy_wowlan_support rtw_wowlan_stub_8851b = {
+	.flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT,
+	.n_patterns = RTW89_MAX_PATTERN_NUM,
+	.pattern_max_len = RTW89_MAX_PATTERN_SIZE,
+	.pattern_min_len = 1,
+};
+#endif
+
 const struct rtw89_chip_info rtw8851b_chip_info = {
 	.chip_id		= RTL8851B,
 	.ops			= &rtw8851b_chip_ops,
@@ -101,6 +110,9 @@ const struct rtw89_chip_info rtw8851b_chip_info = {
 				  BIT(RTW89_DMA_ACH6) | BIT(RTW89_DMA_ACH7) |
 				  BIT(RTW89_DMA_B1MG) | BIT(RTW89_DMA_B1HI),
 	.edcca_lvl_reg		= R_SEG0R_EDCCA_LVL_V1,
+#ifdef CONFIG_PM
+	.wowlan_stub		= &rtw_wowlan_stub_8851b,
+#endif
 	.xtal_info		= &rtw8851b_xtal_info,
 };
 EXPORT_SYMBOL(rtw8851b_chip_info);
diff --git a/drivers/net/wireless/realtek/rtw89/wow.c b/drivers/net/wireless/realtek/rtw89/wow.c
index 2ca8abb70f110..364e546221500 100644
--- a/drivers/net/wireless/realtek/rtw89/wow.c
+++ b/drivers/net/wireless/realtek/rtw89/wow.c
@@ -91,7 +91,7 @@ static void rtw89_wow_show_wakeup_reason(struct rtw89_dev *rtwdev)
 	u32 wow_reason_reg;
 	u8 reason;
 
-	if (chip_id == RTL8852A || chip_id == RTL8852B)
+	if (chip_id == RTL8852A || chip_id == RTL8852B || chip_id == RTL8851B)
 		wow_reason_reg = R_AX_C2HREG_DATA3 + 3;
 	else
 		wow_reason_reg = R_AX_C2HREG_DATA3_V1 + 3;
-- 
2.25.1