From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: [PATCH 2/3] hwmon: Driver for OMAP3 temperature sensor Date: Sat, 27 Dec 2014 20:48:51 +0100 Message-ID: <20141227194851.GE10007@amd> References: <20141226102933.GA28778@amd> <1419597294-21487-1-git-send-email-sre@kernel.org> <1419597294-21487-3-git-send-email-sre@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1419597294-21487-3-git-send-email-sre@kernel.org> Sender: linux-omap-owner@vger.kernel.org To: Sebastian Reichel Cc: Pali Rohar , Jean Delvare , Guenter Roeck , Tony Lindgren , =?iso-8859-1?Q?Beno=EEt?= Cousson , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, lm-sensors@lm-sensors.org, devicetree@vger.kernel.org, Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala List-Id: devicetree@vger.kernel.org On Fri 2014-12-26 13:34:53, Sebastian Reichel wrote: > OMAP34xx and OMAP36xx processors contain a register in the syscon area, > which can be used to determine the SoCs temperature. This patch provides > a DT based driver for the temperature sensor based on an older driver > written by Peter De Schrijver for the Nokia N900 and N9. > > Signed-off-by: Sebastian Reichel When it hangs, it seems to hang here: if (!wait_for_eocz(data, EOCZ_MIN_RISING_DELAY, EOCZ_MAX_RISING_DELAY, 1)) { e = -EIO; goto err; } ...so wait does not seem to reliably wait. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html