Re: undefined reference to `mmc_pm_notify' when selected MMCwithout PM.

From: Uwe Kleine-König
Date: Wed Aug 18 2010 - 02:38:31 EST


Hello Randy,

On Mon, Aug 16, 2010 at 08:12:39AM -0700, Randy Dunlap wrote:
> 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@xxxxxxxxxxxxxx
> >
> > 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

If I found your patch on gmane I could answer it with an Ack, on lkml
and kerneltrap (where I found it) I don't get the Message-Id header.

Best regards
Uwe

--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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