From patchwork Wed May 29 14:02:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rengarajan S X-Patchwork-Id: 800483 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) (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 EC9501F95E; Wed, 29 May 2024 14:05:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.153.233 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716991522; cv=none; b=dN9kyEviuD8Z5MN/KMUarrdyjKjDAHRUfokN38RQDsHyTRJDOvqU5db+CmvHC9w4f5XUC5OBFYadDRryAzg8qnKXYHouTV2dGvjmFJleY+mDLnF52G1VDl84Ev8pgLL8AviROEC52JBqqi4pcgJgRwwwkEouxuPluxPITqJr8so= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716991522; c=relaxed/simple; bh=xLXQdWfnM+lZS5GVhD6SBArCWokhO6jmgrkUuYBlHAs=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=CI4jKBlTfKt2ng8ypeTcAqRvMUpDUXQWDZwF2+2+5GLqdl2wDqGIa3/oO9SeNBlmQhGV4Ogaj0v1PHYI1zTWaRER45vMaTRwk2t3LA2B8XGZYJhCpgVldKI7watPUPeW+j0ify1RqkKEK/Q1FJrE9g48aQswfRXHO19LB0mw3xE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=hdtXU6nG; arc=none smtp.client-ip=68.232.153.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="hdtXU6nG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1716991521; x=1748527521; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xLXQdWfnM+lZS5GVhD6SBArCWokhO6jmgrkUuYBlHAs=; b=hdtXU6nGWER6Yo2w4X3tpixF6XDWZssWqfFvAitcE+iIxh5pmg5uYOT1 lFJx59tuZO26jGXFV0kb5D4qmFUBBPfPEyPihC2MlzanvfiIBWNK6ojJ+ n9GtXpHLNRQbP0AD5rPDtozpAeNGwArou68Qy9f78ddCZK9JRTfksr6SG 8Edm/vlN05VGhU7v3Nij+xzUkOmoFPm4beIPAER0TGzYIIog06ZydxqoG h7gGRUeec6LOVvaQrqY0Im8sZyp2ZWphlyhVKQoUHZzFMoF1xckUBbCep IizBaMRqCe7PUtyzunm7nA2KFpqPhYEVz0k9urQHtL3Y6FKGqKN2QNUkR A==; X-CSE-ConnectionGUID: J4E1/ZSyRQW1wK6IW2PL8w== X-CSE-MsgGUID: fhosNk4gT+OOU4eVFz4BXw== X-IronPort-AV: E=Sophos;i="6.08,198,1712646000"; d="scan'208";a="257537345" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 29 May 2024 07:05:20 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 29 May 2024 07:04:41 -0700 Received: from che-ld-unglab06.microchip.com (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Wed, 29 May 2024 07:04:38 -0700 From: Rengarajan S To: , , , , , , , , CC: Subject: [PATCH net-next v3 2/2] lan78xx: Enable Auto Speed and Auto Duplex configuration for LAN7801 if NO EEPROM is detected Date: Wed, 29 May 2024 19:32:56 +0530 Message-ID: <20240529140256.1849764-3-rengarajan.s@microchip.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240529140256.1849764-1-rengarajan.s@microchip.com> References: <20240529140256.1849764-1-rengarajan.s@microchip.com> Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Enabled ASD/ADD configuration for LAN7801 in the absence of EEPROM. After the lite reset these contents go back to defaults where ASD/ ADD is disabled. The check is already available for LAN7800. Reviewed-by: Simon Horman Signed-off-by: Rengarajan S --- drivers/net/usb/lan78xx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 7ac540cc3686..62dbfff8dad4 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -3034,8 +3034,11 @@ static int lan78xx_reset(struct lan78xx_net *dev) return ret; /* LAN7801 only has RGMII mode */ - if (dev->chipid == ID_REV_CHIP_ID_7801_) + if (dev->chipid == ID_REV_CHIP_ID_7801_) { buf &= ~MAC_CR_GMII_EN_; + /* Enable Auto Duplex and Auto speed */ + buf |= MAC_CR_AUTO_DUPLEX_ | MAC_CR_AUTO_SPEED_; + } if (dev->chipid == ID_REV_CHIP_ID_7800_ || dev->chipid == ID_REV_CHIP_ID_7850_) {