From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stephen Boyd Subject: Re: [PATCH v2] clk: ti: fix dual-registration of uart4_ick Date: Thu, 1 Oct 2015 17:15:39 -0700 Message-ID: <20151002001539.GA12338@codeaurora.org> References: <1443535268-22586-1-git-send-email-ben.dooks@codethink.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1443535268-22586-1-git-send-email-ben.dooks@codethink.co.uk> Sender: stable-owner@vger.kernel.org To: Ben Dooks Cc: linux-kernel@lists.codethink.co.uk, stable@vger.kernel.org, mturquette@baylibre.com, linux-clk@vger.kernel.org, linux-omap@vger.kernel.org, t-kristo@ti.com List-Id: linux-omap@vger.kernel.org On 09/29, Ben Dooks wrote: > On the OMAP AM3517 platform the uart4_ick gets registered > twice, causing any power managment to /dev/ttyO3 to fail > when trying to wake the device up. > > This solves the following oops: > > [] Unhandled fault: external abort on non-linefetch (0x1028) at 0xfa09e008 > [] PC is at serial_omap_pm+0x48/0x15c > [] LR is at _raw_spin_unlock_irqrestore+0x30/0x5c > > Cc: stable@vger.kernel.org > Cc: mturquette@baylibre.com > Cc: sboyd@codeaurora.org > Cc: linux-clk@vger.kernel.org > Cc: linux-omap@vger.kernel.org > Cc: t-kristo@ti.com > Cc: linux-kernel@lists.codethink.co.uk > Signed-off-by: Ben Dooks Which patch broke this? Adding a Fixes: line will help us figure out where to backport this. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project