From nobody Sun Oct 5 20:15:23 2025 Received: from out-173.mta1.migadu.com (out-173.mta1.migadu.com [95.215.58.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EBA182367A9 for ; Tue, 29 Jul 2025 20:45:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753821923; cv=none; b=NunSqjEZanLXjHzJYIeV7qOWqCK4p2G/z/m8m9IQXlVrRFZUom3ba90FHBBpJagvl9d6Bz13cf/VXabJPhN7o68jA1QJsnLpnlkUBx4jd336hOwhq9O49CrlqwY86otJdMnNRD2EwfXH3LAEGeuGjg72ncHpFXjBH0Pzs0a6jSQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753821923; c=relaxed/simple; bh=J2gjkUeDnIYKsWCq3pj968er5tm+PJ2C/x3bgwjJwTw=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=U9HWvcRqtL3T2wrINWUv2dAPv546zbZRVvAmVCxEtoxs5vx8uIRTh3aWaL2wKfS3XxaEir7g7OZ7XkcVs3M3uMjcIiDXOPWWXLFRFb1ZBR1D3sfqYxLA/ph/iQIAohWQR1CYHj/AUuhMp9ERmobLeDfgZ2mGUWQkdyhC383Y2WI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=uHvSq5hZ; arc=none smtp.client-ip=95.215.58.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="uHvSq5hZ" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1753821919; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=VO3sp8UXyHGIMVsYB6oFeeKi756LgvDYmMzB8Bvf4Hs=; b=uHvSq5hZo+dfx+4ulvoTcR3NcQ5NPPS1w4iBgXOKqpInCruLZOTPAnQbWOJUYfn2/5zd7z WG+4iYiCueesJMeJVS7ig+iTHIFbBdqqKtiPGULhs2ZkTOavFDUvTRgky8Ag6gnL4+pNpt 1ktZqN+R6ZOZMKGfSR0cDkqMryzTvug= From: Sean Anderson To: Ping-Ke Shih , linux-wireless@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Bitterblue Smith , Sean Anderson Subject: [PATCH v2] wifi: rtw89: Print just once for unknown C2H classes Date: Tue, 29 Jul 2025 16:44:37 -0400 Message-Id: <20250729204437.164320-1-sean.anderson@linux.dev> In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset="utf-8" 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. Do the same for each unsupported func of the supported classes. 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 --- Changes in v2: - Also suppress unsupported func messages drivers/net/wireless/realtek/rtw89/phy.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireles= s/realtek/rtw89/phy.c index f4eee642e5ce..9484d80eea9b 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -3535,17 +3535,25 @@ 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) =3D NULL; + static DECLARE_BITMAP(printed_ra, U8_MAX); + static DECLARE_BITMAP(printed_rfk_log, U8_MAX); + static DECLARE_BITMAP(printed_rfk_report, U8_MAX); + static DECLARE_BITMAP(printed_class, U8_MAX); + unsigned long *printed; =20 switch (class) { case RTW89_PHY_C2H_CLASS_RA: + printed =3D printed_ra; if (func < RTW89_PHY_C2H_FUNC_RA_MAX) handler =3D rtw89_phy_c2h_ra_handler[func]; break; case RTW89_PHY_C2H_RFK_LOG: + printed =3D printed_rfk_log; if (func < ARRAY_SIZE(rtw89_phy_c2h_rfk_log_handler)) handler =3D rtw89_phy_c2h_rfk_log_handler[func]; break; case RTW89_PHY_C2H_RFK_REPORT: + printed =3D printed_rfk_report; if (func < ARRAY_SIZE(rtw89_phy_c2h_rfk_report_handler)) handler =3D rtw89_phy_c2h_rfk_report_handler[func]; break; @@ -3554,12 +3562,16 @@ void rtw89_phy_c2h_handle(struct rtw89_dev *rtwdev,= struct sk_buff *skb, return; fallthrough; default: - rtw89_info(rtwdev, "PHY c2h class %d not support\n", class); + if (!test_and_set_bit(class, printed_class)) + 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); + if (!test_and_set_bit(func, printed)) + rtw89_info(rtwdev, + "PHY c2h class %d func %d not supported\n", + class, func); return; } handler(rtwdev, skb, len); --=20 2.35.1.1320.gc452695387.dirty