From mboxrd@z Thu Jan 1 00:00:00 1970 From: olof@lixom.net (Olof Johansson) Date: Thu, 7 Jan 2016 06:30:25 +0100 Subject: [PATCH] ARM: nomadik: set latencies to 8 cycles In-Reply-To: <1451870308-19245-1-git-send-email-linus.walleij@linaro.org> References: <1451870308-19245-1-git-send-email-linus.walleij@linaro.org> Message-ID: <20160107053025.GF26875@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jan 04, 2016 at 02:18:28AM +0100, Linus Walleij wrote: > The Nomadik has sporadic crashes because of these latencies, setting > them to max makes the platform work nicely, so use this values for > now. > > These latencies were set to 2 since the Nomadik platform was merged, > but I suspect they never took effect until the right size and > associativity for the cache was specified in the device tree and > that is why the crash comes now. > > Cc: stable at vger.kernel.org > Signed-off-by: Linus Walleij > --- > ARM SoC folks: please apply this directly for fixes at your > convenience. Applied to fixes. THanks. -Olof From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f43.google.com ([209.85.215.43]:34617 "EHLO mail-lf0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752739AbcAGO5d (ORCPT ); Thu, 7 Jan 2016 09:57:33 -0500 Received: by mail-lf0-f43.google.com with SMTP id y184so333716212lfc.1 for ; Thu, 07 Jan 2016 06:57:32 -0800 (PST) Date: Thu, 7 Jan 2016 06:30:25 +0100 From: Olof Johansson To: Linus Walleij Cc: arm@kernel.org, linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org Subject: Re: [PATCH] ARM: nomadik: set latencies to 8 cycles Message-ID: <20160107053025.GF26875@localhost> References: <1451870308-19245-1-git-send-email-linus.walleij@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1451870308-19245-1-git-send-email-linus.walleij@linaro.org> Sender: stable-owner@vger.kernel.org List-ID: On Mon, Jan 04, 2016 at 02:18:28AM +0100, Linus Walleij wrote: > The Nomadik has sporadic crashes because of these latencies, setting > them to max makes the platform work nicely, so use this values for > now. > > These latencies were set to 2 since the Nomadik platform was merged, > but I suspect they never took effect until the right size and > associativity for the cache was specified in the device tree and > that is why the crash comes now. > > Cc: stable@vger.kernel.org > Signed-off-by: Linus Walleij > --- > ARM SoC folks: please apply this directly for fixes at your > convenience. Applied to fixes. THanks. -Olof