From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCHv8 00/23]I2C big cleanup Date: Thu, 13 Sep 2012 07:31:03 -0700 Message-ID: <871ui6f108.fsf@deeprootsystems.com> References: <1347447496-16793-1-git-send-email-shubhrajyoti@ti.com> <874nn2vpv9.fsf@deeprootsystems.com> <20120913053325.GC6504@arwen.pp.htv.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: In-Reply-To: <20120913053325.GC6504@arwen.pp.htv.fi> (Felipe Balbi's message of "Thu, 13 Sep 2012 08:33:28 +0300") Sender: linux-omap-owner@vger.kernel.org To: balbi@ti.com Cc: Shubhrajyoti D , linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org, linux-arm-kernel@lists.infradead.org, ben-linux@fluff.org, tony@atomide.com, w.sang@pengutronix.de List-Id: linux-i2c@vger.kernel.org Felipe Balbi writes: [...] > I just ran same tests on pandaboard and i2c is suspended actually, > though no power domain transitions to RET. Do we not have retention > while idle on pandaboard ? Not for CORE. Only CPUx and MPU domains will be transitioning on OMAP4, and then, only with CPUidle enabled. Until we have CORE retention support in mainline (we're almost there) OMAP4 is not a useful test platform for device PM. Kevin From mboxrd@z Thu Jan 1 00:00:00 1970 From: khilman@deeprootsystems.com (Kevin Hilman) Date: Thu, 13 Sep 2012 07:31:03 -0700 Subject: [PATCHv8 00/23]I2C big cleanup In-Reply-To: <20120913053325.GC6504@arwen.pp.htv.fi> (Felipe Balbi's message of "Thu, 13 Sep 2012 08:33:28 +0300") References: <1347447496-16793-1-git-send-email-shubhrajyoti@ti.com> <874nn2vpv9.fsf@deeprootsystems.com> <20120913053325.GC6504@arwen.pp.htv.fi> Message-ID: <871ui6f108.fsf@deeprootsystems.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Felipe Balbi writes: [...] > I just ran same tests on pandaboard and i2c is suspended actually, > though no power domain transitions to RET. Do we not have retention > while idle on pandaboard ? Not for CORE. Only CPUx and MPU domains will be transitioning on OMAP4, and then, only with CPUidle enabled. Until we have CORE retention support in mainline (we're almost there) OMAP4 is not a useful test platform for device PM. Kevin