From mboxrd@z Thu Jan 1 00:00:00 1970 From: Clemens Gruber Subject: Re: pca953x: lockdep warning since 4.10 Date: Wed, 11 Jan 2017 16:06:33 +0100 Message-ID: <20170111150633.GA19933@archie.localdomain> References: <20170107205410.GA11574@archie.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mail.pqgruber.com ([178.189.19.235]:35094 "EHLO mail.pqgruber.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753301AbdAKPPh (ORCPT ); Wed, 11 Jan 2017 10:15:37 -0500 Content-Disposition: inline In-Reply-To: Sender: linux-gpio-owner@vger.kernel.org List-Id: linux-gpio@vger.kernel.org To: Linus Walleij Cc: linux-gpio@vger.kernel.org, Bartosz Golaszewski , Wolfram Sang , linux-kernel@vger.kernel.org On Wed, Jan 11, 2017 at 02:43:31PM +0100, Linus Walleij wrote: > On Sat, Jan 7, 2017 at 9:54 PM, Clemens Gruber > wrote: > > > I observed the following lockdep warning when booting an i.MX6Q board > > with several PCAL9555A gpio expanders connected over I2C. They are > > connected to 3 separate busses, there is no i2c-mux in use. > > > > This warning appears with the latest mainline Linux kernel 4.10-rc2: > > Can you please test the patch with subject: > "gpio: provide lockdep keys for nested/unnested irqchips" > that I sent out a few minutes ago? Yes, the lockdep warning disappears. Thank you. > > Please provide Tested-by if it solves your issue. I'll send my Tested-by tag in reply to your v2 of the patch (due to the typo in v1, which breaks the build) Clemens