Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752317AbaJ0LOV (ORCPT ); Mon, 27 Oct 2014 07:14:21 -0400 Received: from gw-1.arm.linux.org.uk ([78.32.30.217]:45473 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751191AbaJ0LOU (ORCPT ); Mon, 27 Oct 2014 07:14:20 -0400 Date: Mon, 27 Oct 2014 11:14:04 +0000 From: Russell King - ARM Linux To: Marek Szyprowski Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, Tomasz Figa , Kyungmin Park , Kukjin Kim , lauraa@codeaurora.org, linux-omap@vger.kernel.org, linus.walleij@linaro.org, santosh.shilimkar@ti.com, tony@atomide.com, drake@endlessm.com, loeliger@gmail.com, Mark Rutland Subject: Re: [PATCH v6 4/7] ARM: l2c: Add support for overriding prefetch settings Message-ID: <20141027111404.GW12379@n2100.arm.linux.org.uk> References: <1414407950-3029-1-git-send-email-m.szyprowski@samsung.com> <1414407950-3029-5-git-send-email-m.szyprowski@samsung.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1414407950-3029-5-git-send-email-m.szyprowski@samsung.com> User-Agent: Mutt/1.5.19 (2009-01-05) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 27, 2014 at 12:05:47PM +0100, Marek Szyprowski wrote: > From: Tomasz Figa > > Firmware on certain boards (e.g. ODROID-U3) can leave incorrect L2C prefetch > settings configured in registers leading to crashes if L2C is enabled > without overriding them. This patch introduces bindings to enable > prefetch settings to be specified from DT and necessary support in the > driver. > > Signed-off-by: Tomasz Figa > [mszyprow: rebased onto v3.18-rc1, added error messages when property value > is missing] Why? What if the boot loader has already set these up appropriately? Why should we force people to list these in the DT? -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/