From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kevin Hilman Subject: Re: [PATCH 4/6] arm: mach-omap2: remove "OMAP_DEVICE_NO_IDLE_ON_SUSPEND" check Date: Thu, 18 Apr 2013 11:05:37 -0700 Message-ID: <87li8f4sum.fsf@linaro.org> References: <1366198467-6757-1-git-send-email-sourav.poddar@ti.com> <1366198467-6757-5-git-send-email-sourav.poddar@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1366198467-6757-5-git-send-email-sourav.poddar@ti.com> (Sourav Poddar's message of "Wed, 17 Apr 2013 17:04:25 +0530") Sender: linux-kernel-owner@vger.kernel.org To: Sourav Poddar Cc: gregkh@linuxfoundation.org, tony@atomide.com, rmk+kernel@arm.linux.org.uk, linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-omap@vger.kernel.org Sourav Poddar writes: > Remove the "OMAP_DEVICE_NO_IDLE_ON_SUSPEND" check, since UART was the only one making > use of it. Now serial core/driver takes care of the case when "no_console_suspend" > is used in the bootargs and you need to keep the clock enable for console even while suspend. > > Signed-off-by: Sourav Poddar NAK. This patch will break many things... > --- > arch/arm/mach-omap2/omap_device.c | 7 +------ > 1 files changed, 1 insertions(+), 6 deletions(-) > > diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c > index 381be7a..d6dce8f 100644 > --- a/arch/arm/mach-omap2/omap_device.c > +++ b/arch/arm/mach-omap2/omap_device.c > @@ -620,11 +620,8 @@ static int _od_suspend_noirq(struct device *dev) > ret = pm_generic_suspend_noirq(dev); > > if (!ret && !pm_runtime_status_suspended(dev)) { > - if (pm_generic_runtime_suspend(dev) == 0) { > - if (!(od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND)) > - omap_device_idle(pdev); Why did you remove the omap_device_idle() here? > + if (pm_generic_runtime_suspend(dev) == 0) > od->flags |= OMAP_DEVICE_SUSPENDED; > - } > } > > return ret; > @@ -638,8 +635,6 @@ static int _od_resume_noirq(struct device *dev) > if ((od->flags & OMAP_DEVICE_SUSPENDED) && > !pm_runtime_status_suspended(dev)) { > od->flags &= ~OMAP_DEVICE_SUSPENDED; > - if (!(od->flags & OMAP_DEVICE_NO_IDLE_ON_SUSPEND)) > - omap_device_enable(pdev); And the _enable() here? > pm_generic_runtime_resume(dev); > } Note that the check is for when the flag is *not* set, so this patch changes behavior for all the drivers that do not use _NO_IDLE_ON_SUSPEND. I think that's the opposite of what you intended. Kevin