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[PATCH] wifi: rtw89: Print only once for unsupported c2h classes

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There are more unsupported functions than just LOWRT_RTY. Improve on
commit 3b66519b023b ("wifi: rtw89: phy: add dummy c2h handler to avoid
warning message") by printing a message just once when we first
encounter an unsupported class. This prevents messages like

rtw89_8922ae 0000:81:00.0: PHY c2h class 2 not support

from filling up dmesg.

Signed-off-by: Sean Anderson <sean.anderson@xxxxxxxxx>
---

 drivers/net/wireless/realtek/rtw89/phy.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c
index f4eee642e5ce..5280ffd77b39 100644
--- a/drivers/net/wireless/realtek/rtw89/phy.c
+++ b/drivers/net/wireless/realtek/rtw89/phy.c
@@ -3535,6 +3535,7 @@ void rtw89_phy_c2h_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb,
 {
 	void (*handler)(struct rtw89_dev *rtwdev,
 			struct sk_buff *c2h, u32 len) = NULL;
+	static DECLARE_BITMAP(printed_support, U8_MAX);
 
 	switch (class) {
 	case RTW89_PHY_C2H_CLASS_RA:
@@ -3549,17 +3550,15 @@ void rtw89_phy_c2h_handle(struct rtw89_dev *rtwdev, struct sk_buff *skb,
 		if (func < ARRAY_SIZE(rtw89_phy_c2h_rfk_report_handler))
 			handler = rtw89_phy_c2h_rfk_report_handler[func];
 		break;
-	case RTW89_PHY_C2H_CLASS_DM:
-		if (func == RTW89_PHY_C2H_DM_FUNC_LOWRT_RTY)
-			return;
-		fallthrough;
 	default:
-		rtw89_info(rtwdev, "PHY c2h class %d not support\n", class);
+		if (!test_and_set_bit(class, printed_support))
+			rtw89_info(rtwdev, "PHY c2h class %d not supported\n",
+				   class);
 		return;
 	}
 	if (!handler) {
-		rtw89_info(rtwdev, "PHY c2h class %d func %d not support\n", class,
-			   func);
+		rtw89_info(rtwdev, "PHY c2h class %d func %d not supported\n",
+			   class, func);
 		return;
 	}
 	handler(rtwdev, skb, len);
-- 
2.35.1.1320.gc452695387.dirty





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