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 0ACDEFD0048 for ; Sun, 1 Mar 2026 01:26:15 +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:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=nVwhOzXK0AYZBbQf7mg4OPy8EJ5QI7Jy6cFMhrWBj7g=; b=YUD5lEKjwIKjcHDtPxRmITq4yF 2hHTrXmdpaXmtqiyHsdQLwq5yTD/oH9keUa0DFMJ1f7e5sKxkdilza0Yj/RETDpiCwrxp1K/wc1EF IUohR6w3d+THu8n0dDsnWtiNKsFze7ljG8KLEWvp/IZ3rIGQybejdc5eCtDT2hpuGd/jMkk4kotzl bL9xTKkmFhjexfyKWCDWGQ87eY/KrAW+pahougsCYcW7j1OHtDGayg0Rpzx+dXScVyRUzvNZUYP1v LEuazwVRx/2RR3QrVyAMs1vlIseHVxV3wfqatJ4+EZKS/WA/gpMKmU3d3Nwq1r/fOhQOjVYhtgtR3 OO46zHpw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vwVZS-0000000AWcr-0UCc; Sun, 01 Mar 2026 01:26:10 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vwVZR-0000000AWcQ-1Z6L for linux-arm-kernel@lists.infradead.org; Sun, 01 Mar 2026 01:26:09 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id BE64760008; Sun, 1 Mar 2026 01:26:08 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 991B6C19421; Sun, 1 Mar 2026 01:26:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772328368; bh=v8r0r61V7sOUudpDidvPc28v8OAq06IbucMIeZXZhOk=; h=From:To:Cc:Subject:Date:From; b=SUJ/0ktv3h9b4B2/PJ3/h8Nq8Layyh2gCPB5PkadWhazQqpUS37lrsuQCQHCrTBxc nvLZ0FFbQpjdmOrEjNhZaFMuCdew5Ke5+fxrDlvni/oe30oK8E8iGidugo8ZYKPxNe xME13IiU2dRul/qhIRwC8E6Fg+5bOPd11nqvKziROhQgMiZ63O45MK3J23l1cMOzV5 06Y9xRYQfTnj7UKYU4T60YFzIKKAbIjaq0gbUapLxL9GyQoORUD1Qu2OpSy1xxW6w4 NO2swlkagwXVieE1zGJyyUkKpH7b46ULhisB7wZiKs+tKCYOU1wf7UUIS6NaHwjKIo 6yoCbiv5kkTQA== From: Sasha Levin To: stable@vger.kernel.org, chenhuacai@kernel.org Cc: Hongliang Wang , Huacai Chen , Jakub Kicinski , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Subject: FAILED: Patch "net: stmmac: dwmac-loongson: Set clk_csr_i to 100-150MHz" failed to apply to 6.12-stable tree Date: Sat, 28 Feb 2026 20:26:06 -0500 Message-ID: <20260301012606.1683431-1-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 MIME-Version: 1.0 X-Patchwork-Hint: ignore X-stable: review Content-Transfer-Encoding: 8bit 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 The patch below does not apply to the 6.12-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . Thanks, Sasha ------------------ original commit in Linus's tree ------------------ >From e1aa5ef892fb4fa9014a25e87b64b97347919d37 Mon Sep 17 00:00:00 2001 From: Huacai Chen Date: Tue, 3 Feb 2026 14:29:01 +0800 Subject: [PATCH] net: stmmac: dwmac-loongson: Set clk_csr_i to 100-150MHz Current clk_csr_i setting of Loongson STMMAC (including LS7A1000/2000 and LS2K1000/2000/3000) are copy & paste from other drivers. In fact, Loongson STMMAC use 125MHz clocks and need 62 freq division to within 2.5MHz, meeting most PHY MDC requirement. So fix by setting clk_csr_i to 100-150MHz, otherwise some PHYs may link fail. Cc: stable@vger.kernel.org Fixes: 30bba69d7db40e7 ("stmmac: pci: Add dwmac support for Loongson") Signed-off-by: Hongliang Wang Signed-off-by: Huacai Chen Link: https://patch.msgid.link/20260203062901.2158236-1-chenhuacai@loongson.cn Signed-off-by: Jakub Kicinski --- drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c index 107a7c84ace80..c05e3e7a539cf 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c @@ -91,8 +91,8 @@ static void loongson_default_data(struct pci_dev *pdev, /* Get bus_id, this can be overwritten later */ plat->bus_id = pci_dev_id(pdev); - /* clk_csr_i = 20-35MHz & MDC = clk_csr_i/16 */ - plat->clk_csr = STMMAC_CSR_20_35M; + /* clk_csr_i = 100-150MHz & MDC = clk_csr_i/62 */ + plat->clk_csr = STMMAC_CSR_100_150M; plat->core_type = DWMAC_CORE_GMAC; plat->force_sf_dma_mode = 1; -- 2.51.0