From nobody Sat Oct 11 04:17:29 2025 Received: from mail-wr1-f54.google.com (mail-wr1-f54.google.com [209.85.221.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 14AE622D78F; Thu, 12 Jun 2025 08:37:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.54 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749717480; cv=none; b=hJ4o4GIaHwH8J018xtpmNKOq6A1x1Q/98iRdHKOSLm9l/iSDJm9uHj6V/ADcENn0I/lBVAbWOTj7f7ptaZKVLdUysPmoftuBT7YpQLbqbQmVDAynIQ0evPMRPxjKHjxgzIF3pxPXA98VE/hWIVe48jcNjSd31ImKK/eyxQ/X56g= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749717480; c=relaxed/simple; bh=XejVSRtPDX8wqZ/staI8F6QRFJxANYGNa1nbegLejT0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=iv8MpxfX6LlLGthnn3rORTdxU8voGpC59msrbml8xfMCLkjXrNyq/b2uibIc2D2n34F29aaFu288qzDY8zWtdq3cTj/vhSQbnVd7J0Qy9bNO0c4H+VBmUtiYGlKVgV9vGvviQsgnFP2i8NKP0PnOAKIJGp0OaC5Y8cFgGJbsktI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=FPtthYoK; arc=none smtp.client-ip=209.85.221.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FPtthYoK" Received: by mail-wr1-f54.google.com with SMTP id ffacd0b85a97d-3a4f78ebec8so502471f8f.0; Thu, 12 Jun 2025 01:37:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1749717477; x=1750322277; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=t7cH50gVxX6qICo5DanmfB424fMjg9VvlFFVHp3kmuw=; b=FPtthYoKC610aS5HWQfA2yhmWxuQ0QqK5oGhTfiS4JcvKc8TLWLCknPcPxP4dXqIaS jJwSIwJ7tWZTTodmfCUA/+i52y7lWA5+MhHpivwXVUGKa2CnxrRAJydUtVYopumkJXJy Cv7jvpiSuky/pnDv4aDK878ZjCHoRJV251kdC9oCl/uC2Iw2YpHM/a610fEn+db5PX+z BBuyqF9tT6EK4KYzhbx1RGaQByQIEmoMGLgvYCPEvlcrTnT2++NTWTNH7Y0KjdfbhniI AIGn26nLO63CrMnvRI0JjztRHQ8q2zQ9hDB419wvGR3K2CXblVQ1saSu8LOgF8rhKpab 8SWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1749717477; x=1750322277; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=t7cH50gVxX6qICo5DanmfB424fMjg9VvlFFVHp3kmuw=; b=EBhmmrud89RSLEvuCe3dZ7Us6oo2JSfksimZza20ka8wC/bd8XyCFUaQQCQLYWO8lR yjVFv7aX13OzxPHTpg6FLkIJBurcWcW7i8ZF/LeAyidMQj61i71l04wfYuQeOyn6ewVt jgCi6gd+d6vccs+t6jCSAduhlPS4U6kxQPVhJnr+j/Ouzy5RcJy3UZWcCv+Ang490W6S SOZMdt+xE7d2snzWd2C0bIYpX5jbfNB5wsnSySNArki+hKBAkLQgm4mHgTkv8jzmyjTo 0vIsV17CAoUsCSRs2n5/RigYHQpZQLl3M5yB2bKB0TwbW24posLzgn/4sZzY9+1UuiEo wjXA== X-Forwarded-Encrypted: i=1; AJvYcCUOTKVDxD3KErEfBIabl0L6rvGqspIDggKkZY6evULbzkL2M8uAEZdA4W2ny2I6CxY2T99mvK/A@vger.kernel.org, AJvYcCVrU1QDEsVAqsUcyuGLjCPoSqsklOBSjG2KtUbQCX9v2xCfmJrzKRfzKGUK6qbewowi2ZDeOB3/PbKDmWE=@vger.kernel.org X-Gm-Message-State: AOJu0YwUV78cdd9v499c7fY7RyB/VKqEKe24jB+SvU3hd8PHJaUHJ35p VN/0N7c4Tqwl43qBOVGn7QM++VS1ZXtNhMsBKgPFuAcPqVkEeg7OifwC X-Gm-Gg: ASbGncure5xdUdF82X06FITanvpUyXmdg2Ot1lP2egVSBmHgpxtyCJnW8irLNvbMhs2 7AQWY4W0mVkgo0zsLdRRVqliMiPgUZ4NqFB6W07xQ3Hzj0+N2vJgD+ZLLYomdt9ECPY/XrETGFd Dy8SURL1Njo18tqUhwBkWcmURWXF1ovQ+/6Fb3UnxLsq1/JNL6XlM7N1KYYw4qQB5p+Z//KgkdU ONrUkqnIKIc0rpR7mtRS1CzUifQRsdVeDqrP7rIE7cnhv4SqqPsj+tirkEtrudbL6KRIG8jgRJ5 R4hexG8YfCoMxMeSqi+gD2Se12pObdwfRAFi7Y/x2VCOlM33H94K1Tq2v+tUybzaH2p+okJriwZ fnf/Jwne1Jv17ZrKJ9c8ycIt0uRsa7YTu6agvulfaQZ5901vJ6z0lAAFtZPPgdXpLYpjs/eHPPm K8zA== X-Google-Smtp-Source: AGHT+IHYLFjic5AKHmX5O5c729EMv4fxnyD8SpuPtkh12oezKYHOxsya6Mj7xU/TivnYJ1QobAjh9A== X-Received: by 2002:a05:6000:43c5:10b0:3a3:7987:945f with SMTP id ffacd0b85a97d-3a56076bff6mr1279137f8f.57.1749717477274; Thu, 12 Jun 2025 01:37:57 -0700 (PDT) Received: from slimbook.localdomain (2a02-9142-4580-1900-0000-0000-0000-0011.red-2a02-914.customerbaf.ipv6.rima-tde.net. [2a02:9142:4580:1900::11]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4532e224956sm13350975e9.4.2025.06.12.01.37.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Jun 2025 01:37:56 -0700 (PDT) From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= To: jonas.gorski@gmail.com, florian.fainelli@broadcom.com, andrew@lunn.ch, olteanv@gmail.com, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, vivien.didelot@gmail.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, dgcbueu@gmail.com Cc: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Subject: [PATCH net-next v3 06/14] net: dsa: b53: prevent FAST_AGE access on BCM5325 Date: Thu, 12 Jun 2025 10:37:39 +0200 Message-Id: <20250612083747.26531-7-noltari@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250612083747.26531-1-noltari@gmail.com> References: <20250612083747.26531-1-noltari@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable BCM5325 doesn't implement FAST_AGE registers so we should avoid reading or writing them. Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch") Signed-off-by: =C3=81lvaro Fern=C3=A1ndez Rojas --- drivers/net/dsa/b53/b53_common.c | 9 +++++++++ 1 file changed, 9 insertions(+) v3: no changes v2: no changes diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_com= mon.c index f897fab6b5896..4bd8edaec867d 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -487,6 +487,9 @@ static int b53_flush_arl(struct b53_device *dev, u8 mas= k) { unsigned int i; =20 + if (is5325(dev)) + return 0; + b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_CTRL, FAST_AGE_DONE | FAST_AGE_DYNAMIC | mask); =20 @@ -511,6 +514,9 @@ static int b53_flush_arl(struct b53_device *dev, u8 mas= k) =20 static int b53_fast_age_port(struct b53_device *dev, int port) { + if (is5325(dev)) + return 0; + b53_write8(dev, B53_CTRL_PAGE, B53_FAST_AGE_PORT_CTRL, port); =20 return b53_flush_arl(dev, FAST_AGE_PORT); @@ -518,6 +524,9 @@ static int b53_fast_age_port(struct b53_device *dev, in= t port) =20 static int b53_fast_age_vlan(struct b53_device *dev, u16 vid) { + if (is5325(dev)) + return 0; + b53_write16(dev, B53_CTRL_PAGE, B53_FAST_AGE_VID_CTRL, vid); =20 return b53_flush_arl(dev, FAST_AGE_VLAN); --=20 2.39.5