From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH v2 0/2] bus: omap_l3_noc: Add resume hook to restore mask registers Date: Wed, 12 Nov 2014 07:17:05 -0800 Message-ID: <20141112151704.GD26481@atomide.com> References: <1415643588-14508-1-git-send-email-j-keerthy@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:38819 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752723AbaKLPRo (ORCPT ); Wed, 12 Nov 2014 10:17:44 -0500 Content-Disposition: inline In-Reply-To: <1415643588-14508-1-git-send-email-j-keerthy@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Keerthy Cc: linux-omap@vger.kernel.org, nm@ti.com, afzal@ti.com * Keerthy [141110 10:25]: > l3_noc module loses context during both DS0 and RTC+DDR in self refresh modes. > This causes the previously masked l3 interrupts to trigger and the software > book keeping assumes the interrupts are masked and does nothing to mask. > This software/hardware out of sync leads to back to back l3 interrupts > and eventually causes a hang. Hence adding resume hook to restore the > mask registers based on the book keeping variables Applying both into omap-for-v3.19/drivers-v2 branch thanks. Tony