From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 D6046332ECA; Fri, 17 Oct 2025 15:32:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760715173; cv=none; b=WxziAO4gX0gSqI25k8d5o6gY2trod0M5lvsg2+4t6mloHlb6b1zc2ar+lT4xFA8X4GBkN0BswKbYuD0awK7NFPCgVg9dcHMKUxVyzaHtlV/BjvsjJwg4enqqtTDXWJPGUPQOmi3nu07HSb9fDlwTt+92t6rFl6MFsEBSmMmdme0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760715173; c=relaxed/simple; bh=MTLs49ZwJCoX9jBOxPcsYNNDz6qxAwSXyX2qPv+NRSg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Out2nKstrVFSEJp47JHBndJlNALS6jt6L77tmddUvTPhbFlQnDNnQ4vwdeLlq4ejxRGKiLLMQIors/pY2KNSO/RorrqaRXBZBdtsemZySzXO5odP0XqxDkuPIO6EB0gqBi+voIHjjsI1PSCo9j9W0Z47y3nCEGNf5EUCiIOt1M4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=kY62XCAZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="kY62XCAZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 60F1AC4CEFE; Fri, 17 Oct 2025 15:32:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1760715173; bh=MTLs49ZwJCoX9jBOxPcsYNNDz6qxAwSXyX2qPv+NRSg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kY62XCAZUPeAouk6sT+ySKDiAo/+E4gCNk4pMgrlX4KxC+TVg/lIkyOiLMLJS0hqF 6pRgtLh1iNuMjeIEGZs7OR+dsL/U/AHgA9rBSHgy4TURujct/jxHkyaz4orMAtz30h r8BMwOaSa0xyIAcNk1+pyipbnvK0uPTWezGwrd1o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Lorenzo Bianconi , Jacob Keller , Paolo Abeni , Sasha Levin Subject: [PATCH 6.17 122/371] net: airoha: Fix loopback mode configuration for GDM2 port Date: Fri, 17 Oct 2025 16:51:37 +0200 Message-ID: <20251017145206.348122356@linuxfoundation.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251017145201.780251198@linuxfoundation.org> References: <20251017145201.780251198@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.17-stable review patch. If anyone has any objections, please let me know. ------------------ From: Lorenzo Bianconi [ Upstream commit fea8cdf6738a8b25fccbb7b109b440795a0892cb ] Add missing configuration for loopback mode in airhoha_set_gdm2_loopback routine. Fixes: 9cd451d414f6e ("net: airoha: Add loopback support for GDM2") Signed-off-by: Lorenzo Bianconi Reviewed-by: Jacob Keller Link: https://patch.msgid.link/20251008-airoha-loopback-mode-fix-v2-1-045694fe7f60@kernel.org Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- drivers/net/ethernet/airoha/airoha_eth.c | 4 +++- drivers/net/ethernet/airoha/airoha_regs.h | 3 +++ 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c index e6b802e3d8449..6d23c5c049b9a 100644 --- a/drivers/net/ethernet/airoha/airoha_eth.c +++ b/drivers/net/ethernet/airoha/airoha_eth.c @@ -1709,7 +1709,9 @@ static void airhoha_set_gdm2_loopback(struct airoha_gdm_port *port) airoha_fe_wr(eth, REG_GDM_RXCHN_EN(2), 0xffff); airoha_fe_rmw(eth, REG_GDM_LPBK_CFG(2), LPBK_CHAN_MASK | LPBK_MODE_MASK | LPBK_EN_MASK, - FIELD_PREP(LPBK_CHAN_MASK, chan) | LPBK_EN_MASK); + FIELD_PREP(LPBK_CHAN_MASK, chan) | + LBK_GAP_MODE_MASK | LBK_LEN_MODE_MASK | + LBK_CHAN_MODE_MASK | LPBK_EN_MASK); airoha_fe_rmw(eth, REG_GDM_LEN_CFG(2), GDM_SHORT_LEN_MASK | GDM_LONG_LEN_MASK, FIELD_PREP(GDM_SHORT_LEN_MASK, 60) | diff --git a/drivers/net/ethernet/airoha/airoha_regs.h b/drivers/net/ethernet/airoha/airoha_regs.h index 150c85995cc1a..0c8f61081699c 100644 --- a/drivers/net/ethernet/airoha/airoha_regs.h +++ b/drivers/net/ethernet/airoha/airoha_regs.h @@ -151,6 +151,9 @@ #define LPBK_LEN_MASK GENMASK(23, 10) #define LPBK_CHAN_MASK GENMASK(8, 4) #define LPBK_MODE_MASK GENMASK(3, 1) +#define LBK_GAP_MODE_MASK BIT(3) +#define LBK_LEN_MODE_MASK BIT(2) +#define LBK_CHAN_MODE_MASK BIT(1) #define LPBK_EN_MASK BIT(0) #define REG_GDM_TXCHN_EN(_n) (GDM_BASE(_n) + 0x24) -- 2.51.0