From: nm@ti.com (Nishanth Menon) Date: Mon, 20 Dec 2010 05:44:59 -0600 Subject: [PATCH v4 5/7] OMAP3630: PM: Disable L2 cache while invalidating L2 cache In-Reply-To: <9b48aafcc94e9b69236ed4d934ebd91e@mail.gmail.com> References: <1292712817-24999-1-git-send-email-nm@ti.com> <1292712817-24999-6-git-send-email-nm@ti.com> <9b48aafcc94e9b69236ed4d934ebd91e@mail.gmail.com> Message-ID: <4D0F41BB.2070606@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Santosh Shilimkar wrote, on 12/20/2010 01:13 AM: [..] >> This is be done according to ARM documentation. Currently this is >> identified >> as being needed on OMAP3630 as the disable/enable is done from "public >> side" >> while, on OMAP3430, this is done in the "secure side". > Can you point me to ARM doc which says " for L2 invalidation, the > controller > needs to be disabled" ? please see section 8.3 of the Cortex-A8 TRM -- Regards, Nishanth Menon