From patchwork Wed May 15 19:56:08 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Herring X-Patchwork-Id: 244174 X-Patchwork-Delegate: albert.aribaud@free.fr Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from theia.denx.de (theia.denx.de [85.214.87.163]) by ozlabs.org (Postfix) with ESMTP id A4B832C00AB for ; Thu, 16 May 2013 06:05:00 +1000 (EST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 679394A0C3; Wed, 15 May 2013 22:04:59 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Q3hYS3aVZMFV; Wed, 15 May 2013 22:04:59 +0200 (CEST) Received: from theia.denx.de (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 9A05A4A0A6; Wed, 15 May 2013 22:04:57 +0200 (CEST) Received: from localhost (localhost [127.0.0.1]) by theia.denx.de (Postfix) with ESMTP id 0C9474A0A6 for ; Wed, 15 May 2013 22:04:56 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at theia.denx.de Received: from theia.denx.de ([127.0.0.1]) by localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id icTJo75g3YjC for ; Wed, 15 May 2013 22:04:55 +0200 (CEST) X-policyd-weight: NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 NOT_IN_BL_NJABL=-1.5 (only DNSBL check requested) Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com [209.85.214.182]) by theia.denx.de (Postfix) with ESMTPS id DFADE4A087 for ; Wed, 15 May 2013 22:04:54 +0200 (CEST) Received: by mail-ob0-f182.google.com with SMTP id va2so2516121obc.13 for ; Wed, 15 May 2013 13:04:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=iCn72gdbZJYFq0CFchXpx8A/h1DvduVD01hYwaXsNwc=; b=hVU/7OVrG6zq9mDjAOko9jlKOXmJfE2QkiSxsUzT0NWOkj+zblFwcbF3D9R2Mu1NV6 hmg6olyQY6zGNPPwQpu4dJTS+rcHNxM8orXFm+vlt8me2cjAgMSlrfNmDc1h1Fu2ULeI 9n4IvT3vz3fAUk1KzNMCQ4XrBCoXa6HTEqpmX06PxHhLxgMnM1x3UVaAAilmvMeoNLVo wkcRUjTL72L1gVL/WBPj1EhJySh/rh1hpQGscuHvMwgbqR2SvTiJBefH62L0Hsd/P6PK IjvDgKIOCDdC0ivOgTrqDHMCubwSCGjuZuXA2UBO+GszDVQNi0F0dUnGbWTHEqtugkB+ cWhQ== X-Received: by 10.182.220.161 with SMTP id px1mr18034323obc.82.1368647799212; Wed, 15 May 2013 12:56:39 -0700 (PDT) Received: from rob-laptop.calxeda.com ([173.226.190.126]) by mx.google.com with ESMTPSA id qj8sm4440239oeb.2.2013.05.15.12.56.36 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 15 May 2013 12:56:38 -0700 (PDT) From: Rob Herring To: u-boot@lists.denx.de Date: Wed, 15 May 2013 14:56:08 -0500 Message-Id: <1368647776-12940-2-git-send-email-robherring2@gmail.com> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1368647776-12940-1-git-send-email-robherring2@gmail.com> References: <1368647776-12940-1-git-send-email-robherring2@gmail.com> Cc: Rob Herring Subject: [U-Boot] [PATCH 02/10] net: calxedaxgmac: enable rx cut-thru X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.11 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: u-boot-bounces@lists.denx.de Errors-To: u-boot-bounces@lists.denx.de From: Rob Herring There is no reason to wait for the entire frame to start DMA on receive, so enable rx cut-thru for better performance. Signed-off-by: Rob Herring --- drivers/net/calxedaxgmac.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/calxedaxgmac.c b/drivers/net/calxedaxgmac.c index e3553d6..803687a 100644 --- a/drivers/net/calxedaxgmac.c +++ b/drivers/net/calxedaxgmac.c @@ -400,7 +400,7 @@ static int xgmac_init(struct eth_device *dev, bd_t * bis) /* set flow control parameters and store and forward mode */ value = (FIFO_MINUS_12K << XGMAC_CORE_OMR_RFD_SHIFT) | (FIFO_MINUS_4K << XGMAC_CORE_OMR_RFA_SHIFT) | - XGMAC_CORE_OMR_EFC | XGMAC_CORE_OMR_TSF | XGMAC_CORE_OMR_RSF; + XGMAC_CORE_OMR_EFC | XGMAC_CORE_OMR_TSF; writel(value, ®s->core_opmode); /* enable pause frames */