From mboxrd@z Thu Jan 1 00:00:00 1970 From: linux@arm.linux.org.uk (Russell King - ARM Linux) Date: Fri, 12 Feb 2016 14:16:54 +0000 Subject: [PATCH] ARM: imx: Do L2 errata only if the L2 cache isn't enabled In-Reply-To: <1455261093-11849-1-git-send-email-dirk.behme@de.bosch.com> References: <1455261093-11849-1-git-send-email-dirk.behme@de.bosch.com> Message-ID: <20160212141654.GA10826@n2100.arm.linux.org.uk> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Feb 12, 2016 at 08:11:33AM +0100, Dirk Behme wrote: > All the generic L2 cache handling code is encapsulated by a > check if the L2 cache is enabled. If it's enabled already, the code > is skipped. > > For the i.MX6 specific L2 cache handling we missed this check. > Add it. What's the reasoning behind this? The prefetch register is writable while the L2 cache is enabled, unlike the auxiliary control register. -- RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/ FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up according to speedtest.net.