From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] net: ethernet: ti: cpsw: fix rx-usecs interrupt pacing consistency Date: Fri, 03 Jun 2016 19:35:34 -0400 (EDT) Message-ID: <20160603.193534.1267260598418078664.davem@davemloft.net> References: <1464873292-17011-1-git-send-email-ivan.khoronzhuk@linaro.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1464873292-17011-1-git-send-email-ivan.khoronzhuk@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: ivan.khoronzhuk@linaro.org Cc: linux-kernel@vger.kernel.org, mugunthanvnm@ti.com, grygorii.strashko@ti.com, linux-omap@vger.kernel.org, netdev@vger.kernel.org List-Id: linux-omap@vger.kernel.org From: Ivan Khoronzhuk Date: Thu, 2 Jun 2016 16:14:52 +0300 > The rx-usecs shouldn't be changed while interface down/up. > Currently, for instance, if it's set to 100us, after interface > down/up it's 500us. It's a hidden bug that can lead to lavish > interrupt pacing time increasing while "down/up" up to max value. > > Steps to reproduce: > - set rx-usecs to be 100us > - down/up interface > - read new unexpected rx-usecs > > Signed-off-by: Ivan Khoronzhuk Applied.