Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932415AbdLOPU1 (ORCPT ); Fri, 15 Dec 2017 10:20:27 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:45262 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932271AbdLOPUV (ORCPT ); Fri, 15 Dec 2017 10:20:21 -0500 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org B0A5A6055D Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=timur@codeaurora.org Subject: Re: [PATCH] net: qcom/emac: Reduce timeout for mdio read/write To: Hemanth Puranik , netdev , linux-kernel References: <1513348558-10906-1-git-send-email-hpuranik@codeaurora.org> From: Timur Tabi Message-ID: Date: Fri, 15 Dec 2017 09:20:08 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <1513348558-10906-1-git-send-email-hpuranik@codeaurora.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 574 Lines: 14 On 12/15/2017 08:35 AM, Hemanth Puranik wrote: > Currently mdio read/write takes around ~115us as the timeout > between status check is set to 100us. > By reducing the timeout to 1us mdio read/write takes ~15us to > complete. This improves the link up event response. > > Signed-off-by: Hemanth Puranik Acked-by: Timur Tabi -- Qualcomm Datacenter Technologies, Inc. as an affiliate of Qualcomm Technologies, Inc. Qualcomm Technologies, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.