From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Subject: Re: [PATCH] Input: smtpe-ts: Use msecs_to_jiffies() instead of HZ Date: Fri, 8 May 2015 03:51:51 +0200 Message-ID: <201505080351.51784.marex@denx.de> References: <1430869596-7044-1-git-send-email-marex@denx.de> <201505060236.14358.marex@denx.de> <20150506235928.GG5580@dtor-ws> Mime-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-out.m-online.net ([212.18.0.10]:57394 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751394AbbEHByC (ORCPT ); Thu, 7 May 2015 21:54:02 -0400 In-Reply-To: <20150506235928.GG5580@dtor-ws> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: Dmitry Torokhov Cc: linux-input@vger.kernel.org, Vipul Kumar Samar , Viresh Kumar On Thursday, May 07, 2015 at 01:59:28 AM, Dmitry Torokhov wrote: [...] Hi! > > Maybe I'm fixing two bugs here ? The problem I really had is that with > > kernel HZ set to 250 and the original code, the work was scheduled and > > executed too quickly, so my touchscreen was bouncing between pendown and > > penup events back and forth, without doing any usaful work. > > > > I tried changing the code to HZ/5 instead of HZ/50 and that fixes my > > issue as well. > > > > My impression is that using msec_to_jiffies() is clearer especially > > if the code is to represent a constant delay. > > It is indeed clearer and I would not mind such conversion, we just need > to adjust the comment why we do that. > > > But maybe I should then > > document why I changed the duration (because the original one was too > > short) ? > > Please make a separate patch for that with separate justification. > > Thanks! Roger, will do, thank you! Best regards, Marek Vasut