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

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Message-ID: <4C654544.5010002@ru.mvista.com>
Date:	Fri, 13 Aug 2010 17:14:44 +0400
From:	Sergei Shtylyov <sshtylyov@...sta.com>
To:	Kukjin Kim <kgene.kim@...sung.com>
CC:	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.

Hello.

Kukjin Kim wrote:

> 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);

    Looks like your patch is line-wrapped...

> +#ifdef CONFIG_PM
>         host->pm_notify.notifier_call = mmc_pm_notify;
> +#endif

WBR, Sergei

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