linux-kernel - Re: undefined reference to `mmc_pm_notify' when selected MMC without PM.

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Message-Id: <20100816081239.c5ae02ef.randy.dunlap@oracle.com>
Date:	Mon, 16 Aug 2010 08:12:39 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	Kukjin Kim <kgene.kim@...sung.com>,
	linux-arm-kernel@...ts.infradead.org, linux-mmc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"'Andrew Morton'" <akpm@...ux-foundation.org>,
	"'Maxim Levitsky'" <maximlevitsky@...il.com>, ben-linux@...ff.org
Subject: Re: undefined reference to `mmc_pm_notify' when selected MMC
 without PM.

On Mon, 16 Aug 2010 07:17:21 +0200 Uwe Kleine-König wrote:

> Hello,
> 
> On Fri, Aug 13, 2010 at 08:33:40PM +0900, Kukjin Kim wrote:
> > Kukjin Kim wrote:
> > > 
> > > Hi,
> > > 
> > > Following is build error when selected MMC without PM.
> > > 
> > > drivers/built-in.o: In function `mmc_alloc_host':
> > > drivers/mmc/core/host.c:108: undefined reference to `mmc_pm_notify'
> > > make[1]: *** [.tmp_vmlinux1] Error 1
> > > make: *** [sub-make] Error 2
> > > 
> > > That is added from Maxim's ' mmc: fix all hangs related to mmc/sd card
> > > insert/removal during suspend/resume '
> > > (commit ID: 4c2ef25fe0b847d2ae818f74758ddb0be1c27d8e)
> > > 
> > > Below is temporary patch for avoiding build error.
> > > But I'm not sure about this... :-(
> > > 
> > > ---
> > > 
> > > diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
> > > index 0efe631..d80cfdc 100644
> > > --- a/drivers/mmc/core/host.c
> > > +++ b/drivers/mmc/core/host.c
> > > @@ -86,7 +86,9 @@ struct mmc_host *mmc_alloc_host(int extra, struct device
> > > *dev)
> > >         init_waitqueue_head(&host->wq);
> > >         INIT_DELAYED_WORK(&host->detect, mmc_rescan);
> > >         INIT_DELAYED_WORK_DEFERRABLE(&host->disable,
> > > mmc_host_deeper_disable);
> > > +#ifdef CONFIG_PM
> > >         host->pm_notify.notifier_call = mmc_pm_notify;
> > > +#endif
> > > 
> > >         /*
> > >          * By default, hosts do not support SGIO or large requests.
> > > 
> > > ---
> > 
> > Kindly ignore this stuff because I found Uwe's same patch just now ;-)
> > Sorry for bothering.
> For those who care:
> 
> 	http://mid.gmane.org/1281691473-15481-1-git-send-email-u.kleine-koenig@pengutronix.de
> 
> Kgene, do you care to ack this change as it may prod akpm in taking the
> fix a bit earlier?

or this one from earlier:
http://lkml.org/lkml/2010/8/12/207

---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***
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