From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: PM regression with LED changes in next-20161109 Date: Wed, 9 Nov 2016 12:23:02 -0700 Message-ID: <20161109192301.GS26979@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org To: Hans de Goede , Jacek Anaszewski Cc: linux-leds@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: linux-leds@vger.kernel.org Hi, Looks like commit 883d32ce3385 ("leds: core: Add support for poll()ing the sysfs brightness attr for changes.") breaks runtime PM for me. On my omap dm3730 based test system, idle power consumption is over 70 times higher now with this patch! It goes from about 6mW for the core system to over 440mW during idle meaning there's some busy timer now active. Reverting this patch fixes the issue. Any ideas? Regards, Tony From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Wed, 9 Nov 2016 12:23:02 -0700 Subject: PM regression with LED changes in next-20161109 Message-ID: <20161109192301.GS26979@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, Looks like commit 883d32ce3385 ("leds: core: Add support for poll()ing the sysfs brightness attr for changes.") breaks runtime PM for me. On my omap dm3730 based test system, idle power consumption is over 70 times higher now with this patch! It goes from about 6mW for the core system to over 440mW during idle meaning there's some busy timer now active. Reverting this patch fixes the issue. Any ideas? Regards, Tony