From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 21586C282DE for ; Mon, 10 Mar 2025 20:13:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=RrH66w6hjy8vTdk3/chb+sp4rDPMHTlBdbnwkF+r5mI=; b=IjKU7Erla9SN4jsin0dAEg5i8E 08i7k+s/YB98DOrDDYCKsLZDWH/9SwNF4hjQvoTR/Yu1PId7L7lUsmnyXXO1Kpr/gaLYIiVVp9XPH Oomc9KCKI4ix+G/v+cg4nyV1EB+LfGoB0KrCOpSxb2eQL1QYLW1o4VQ36UuuP28pW38bwRnO5j2wd iiAaKeYnBgmSQtwhwAz60fs06AEpmcrBYFKlxW8iCeUstfrQZpq/sHSxJMcSF5fQLLxXdqP4EK0DC qL/BCyVfQ2Xnw/vteRkvrTX6i/9y7vpM2/MalIVJexsXTOfrdJE+9f175CJLmSPrae7qLpLVDqBDz xA8rIZQQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1trjV7-00000003pMR-0RBW; Mon, 10 Mar 2025 20:13:25 +0000 Received: from mail-wm1-x32e.google.com ([2a00:1450:4864:20::32e]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1trjIw-00000003nLB-29kZ for linux-arm-kernel@lists.infradead.org; Mon, 10 Mar 2025 20:00:52 +0000 Received: by mail-wm1-x32e.google.com with SMTP id 5b1f17b1804b1-43cebe06e9eso13139195e9.3 for ; Mon, 10 Mar 2025 13:00:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1741636849; x=1742241649; darn=lists.infradead.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=RrH66w6hjy8vTdk3/chb+sp4rDPMHTlBdbnwkF+r5mI=; b=sXoWokGTD//OCQSnc4UPqku81AZZEZ7gBvOr+4iWWeI90g2ebaOYxooiFwyu4y/p6L FaDVpDKKJS/RdSdgvcpbbmJ2CVwTqVRK84EtccbfoeH4I2bJylcge4mCmV6mncltOmEu bi8yNmdek0/SZWoBn2WmQ1YR02B5SpDN6BHDc/lGkC788qylTdz5Nfv6dUOhX6Q45QdD Gq2AxMU3/0Sroe9bqu32Liw3ezqOSy54fPYuMwgwhh3rTSGEXbSfsDvXKB3Evu0KU9Bq /kNePSwEdLBgAi1c+3o6KqWHZvqxaCxbGV2zbnMM9rVFBJ39vNjqzuUTAy1ooeiiO1I5 Zb9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1741636849; x=1742241649; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=RrH66w6hjy8vTdk3/chb+sp4rDPMHTlBdbnwkF+r5mI=; b=VkWxCqp7+OqepW1pvBTz/Ex77bIX0zUM3ds5a7HGRk6m+GKLhtu+ft1RhMPupqVCbR s5Dm9558lMkosk5Gd7BIP8I+RQa8saMO8sggOJgxU09uTwOBY/vQH16dUwCru/A6g6y6 ksi8c0LstT9LuqMagxJUFw07QuxA3eXroAl727I0JTIvU2JlmY/Qmd3pUBVCI8xAiEQB Iw7HjGXi/sW09owD5hHtDTkaIOyWcw88hHxuC1tfrK0ad0nCgKg3X5izuyJcmptvo9pB EkzaR5oRKTARaylfKKucGoSjTFeWEDrdGpZgIm0AZrbG0K9hRvGrQjz65bLyu9V9Qs9W WL9A== X-Forwarded-Encrypted: i=1; AJvYcCXpTLL/gUn8sV32JMJcTE0H5KyR89MN1Il0p+drDEVchCTjWIUEJ3/ITPP2b9eO6DQCXLzVf5dpjzKjS2feOuC7@lists.infradead.org X-Gm-Message-State: AOJu0YxIgIMUYaFSI8gyQ5Q6+2gnknEe9k1IKnmqWZemLpRgaTKrKofK lZufZpUfjtbge0RyaQDO98n1l9AOvVgzO/S1tOSs2QrSKMXrPo+NZ8iNgtyNx/Y= X-Gm-Gg: ASbGncstnj8gqrcYcY559wz49Jjb62XbftuqHGbfm9/SpcqHipAj1kUPqkpL8iC48YR TQlMZirY5syDFq5dws7+jf0T4Nq1y2trX7V1w1AYvRJlRC27ld0+XkqG6pdE8kxjmJU0TnawuGO n7oJH+FMx8KHWeJRWWLT28L6ovN1KQdNa4dOGeUf7hZCZE+A4Rl2zsrJbrkgl558vx7MpDrt53Z jvVnxARTaTucPPP4cjgCV4WH/jK5A0Vn6x1HQ4hb4Tf0FVSk2dqWa1pcaoXXCjg+2tHNq60C9qw D8obzcamVCdUNpv3mtvxC+OkDNbf2uKmZC0h0kgfDrKLbyAXoA== X-Google-Smtp-Source: AGHT+IFM0bk3L92HPL0a5ZdSUwgEKFaDtW1VyX0wWUqemrb2A9UISJTLPEdrw9TUJkHbZkhUzucD2Q== X-Received: by 2002:a05:600c:3512:b0:43c:fded:9654 with SMTP id 5b1f17b1804b1-43cfded98b3mr28404325e9.19.1741636848948; Mon, 10 Mar 2025 13:00:48 -0700 (PDT) Received: from localhost ([196.207.164.177]) by smtp.gmail.com with UTF8SMTPSA id ffacd0b85a97d-3912bfb7aefsm15672875f8f.20.2025.03.10.13.00.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Mar 2025 13:00:48 -0700 (PDT) Date: Mon, 10 Mar 2025 23:00:44 +0300 From: Dan Carpenter To: Michal Kubiak Cc: Felix Fietkau , Sean Wang , Lorenzo Bianconi , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Matthias Brugger , AngeloGioacchino Del Regno , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel-janitors@vger.kernel.org Subject: Re: [PATCH net] net: ethernet: mediatek: Fix bit field in mtk_set_queue_speed() Message-ID: <20f34718-e60f-4361-9ad7-311d3f67e40b@stanley.mountain> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250310_130050_568638_4C47EB6E X-CRM114-Status: GOOD ( 25.75 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Mar 10, 2025 at 10:27:34PM +0300, Dan Carpenter wrote: > On Mon, Mar 10, 2025 at 01:45:35PM +0100, Michal Kubiak wrote: > > On Mon, Mar 10, 2025 at 01:48:27PM +0300, Dan Carpenter wrote: > > > This was supposed to set "FIELD_PREP(MTK_QTX_SCH_MAX_RATE_WEIGHT, 1)" > > > but there was typo and the | operation was missing and which turned > > > it into a no-op. > > > > > > Fixes: f63959c7eec3 ("net: ethernet: mtk_eth_soc: implement multi-queue support for per-port queues") > > > Signed-off-by: Dan Carpenter > > > --- > > > From static analysis, not tested. > > > > > > drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- > > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > > > diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c > > > index 922330b3f4d7..9efef0e860da 100644 > > > --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c > > > +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c > > > @@ -757,7 +757,7 @@ static void mtk_set_queue_speed(struct mtk_eth *eth, unsigned int idx, > > > case SPEED_100: > > > val |= MTK_QTX_SCH_MAX_RATE_EN | > > > FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, 1) | > > > - FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 5); > > > + FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 5) | > > > FIELD_PREP(MTK_QTX_SCH_MAX_RATE_WEIGHT, 1); > > > break; > > > case SPEED_1000: > > > > > > There's a similar bug a few lines above (line #737): > > > > case SPEED_100: > > val |= MTK_QTX_SCH_MAX_RATE_EN | > > FIELD_PREP(MTK_QTX_SCH_MAX_RATE_MAN, 103) | > > FIELD_PREP(MTK_QTX_SCH_MAX_RATE_EXP, 3); > > FIELD_PREP(MTK_QTX_SCH_MAX_RATE_WEIGHT, 1); > > break; > > > > I think it would be reasonable to fix that too in the same patch. > > Yes. You're of course correct. I'm trying to figure out why my > static checker found the one instance and not the other. I will > send a v2. Oh... Duh. if (IS_ENABLED(CONFIG_SOC_MT7621)) is false for my config so first line wasn't reachable. regards, dan carpenter