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 A1253FD0049 for ; Sun, 1 Mar 2026 01:36:48 +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=wOd3wV0eagl7aqDuphh5lpbjObonga73tHIx4AjNUus=; b=dfYAc/rgnsMoCTE+tsiZ9Mifbi q+h0g1hFeUaTM1AREsT3g+M6qXJUANv5yorFUqqw3yMjrQFLrgtfcOcrj+59VSeLqma2xCGtoVFbi R0dM9F/0+e7mDPe7VJPr9EV6wb9oSZf19MBwoqk0BBzCCBfVsU4aTj0ygOyvJpJpUQqb4Vt0dZ8e8 RQLGyqlLNBD03QZE35PqR+tp42iIEz1EFBnNOtWUVeBRFvlEJc5oI99h+Bun/b6RnQALlLdSTI5Mp 0mwgfCeDUL3hmHm+KwVHKh7mdTqXMzaGTtB5LCyJY1vuGroQn0djtiikpsh8rI632SoIKkcGo17rL pA+AwLGQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vwVjg-0000000AagC-1SWF; Sun, 01 Mar 2026 01:36:44 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vwVjf-0000000AafR-1M8g for linux-arm-kernel@lists.infradead.org; Sun, 01 Mar 2026 01:36:43 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id C146060126; Sun, 1 Mar 2026 01:36:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9FDB5C19421; Sun, 1 Mar 2026 01:36:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772329002; bh=mcmW7qRb0znSGLQr6DPmCGSmcFCJ6c+r0uNGS+CmCr8=; h=From:To:Cc:Subject:Date:From; b=U7Wu8Fvvk2PmSkgYaeHUTS3SsU/3vcpH3uFYScxyYFhRvey19kK1P5L6BNGwNWmn2 26IT5x7WK+6PBWHL7EIscpXo/kbzRF9jlmdDgPEgDNTT0F5gR46Vis3u94Oqwj+Cyc e7nI7ulLbg740DWH07mUGM6LFtKneWI5A//i11iEFvjNvAyt42sPE4xb9oVbjpO6ul NuTmJ9ZCGiBElvkiO+oxbrXZ6DMYwxVkd1jUVZdnOGDRP8Lh1PueEjDOT//mbQdCAW oAZ+05FI6tGdmNpku4UMl5VO4NFgewTOBhl8sRx8vJ4/7oiIoJRP0rgaWsIYLFdRBO BMuUE773b6Ygw== 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 6.6-stable tree Date: Sat, 28 Feb 2026 20:36:40 -0500 Message-ID: <20260301013640.1696690-1-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 6.6-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