From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nishanth Menon Subject: Re: [PATCH 5/5 v3] OMAP3630: PM: Erratum i583: disable coreoff if < ES1.2 Date: Mon, 13 Dec 2010 09:02:49 -0600 Message-ID: <4D063599.9080905@ti.com> References: <1291395818-8639-1-git-send-email-nm@ti.com> <1291395818-8639-6-git-send-email-nm@ti.com> <2cdf7d3d033ee2c88b6f2d4cfa37d9db@mail.gmail.com> <4D0622FE.2070801@ti.com> <4D062806.6090201@ti.com> <4D062F81.407@ti.com> <96505dfaee73d6785e153ccf5c2856d3@mail.gmail.com> <6f507e24d6ae188e265913e85e815f82@mail.gmail.com> <4D063344.2010001@ti.com> <37de3932d97af8e1882a08dd37242a17@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from na3sys009aog101.obsmtp.com ([74.125.149.67]:37224 "EHLO na3sys009aog101.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752918Ab0LMPCx (ORCPT ); Mon, 13 Dec 2010 10:02:53 -0500 Received: by mail-yx0-f173.google.com with SMTP id 31so3761335yxl.32 for ; Mon, 13 Dec 2010 07:02:52 -0800 (PST) In-Reply-To: <37de3932d97af8e1882a08dd37242a17@mail.gmail.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Vishwanath Sripathy Cc: linux-omap , Eduardo Valentin , Kevin Hilman , Tony Lindgren Vishwanath Sripathy had written, on 12/13/2010 08:58 AM, the following: [...] >> diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach- >> omap2/pm34xx.c >> index ba3c0d6..da12a56 100644 >> --- a/arch/arm/mach-omap2/pm34xx.c >> +++ b/arch/arm/mach-omap2/pm34xx.c >> @@ -932,8 +932,15 @@ void omap3_pm_off_mode_enable(int enable) >> #endif >> >> list_for_each_entry(pwrst, &pwrst_list, node) { >> - pwrst->next_state = state; >> - omap_set_pwrdm_state(pwrst->pwrdm, state); >> + if (IS_PM34XX_ERRATUM(SDRC_WAKEUP_ERRATUM_i583) >> && >> + pwrst->pwrdm == core_pwrdm) { >> + pwrst->next_state = PWRDM_POWER_RET; >> + pr_err("%s: cannot enable Core OFF due to > i583\n", >> + __func__); > You probably need to throw up this warning only if state > == PWRDM_POWER_OFF. Otherwise this code looks fine to me. Thanks for the review. added it. will post a v4 later today if no one cribs with this approach. I will retain the logic in sram_idle as well as a backup measure. -- Regards, Nishanth Menon