Re: linux-next: Tree for July 17 (mfd: AB3100 - ab3100_probe: undefined reference to `rand_initialize_irq')

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On Tue, Jul 17, 2012 at 11:47 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote:
> On Tue, Jul 17, 2012 at 7:41 AM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
>> Hi all,
>>
>> Changes since 20120716:
>>
>> The vfs tree lost its build failure.
>>
>> The l2-mtd tree gained a conflict against the mtd tree.
>>
>> The battery tree tree lost its build failure.
>>
>> The regulator tree gained conflicts against the mfd tree.
>>
>> The tty tree lost its build failure but gained another, so I used the
>> version from next-20120712.
>>
>> I have still reverted 3 commits from the signal tree at the request of the
>> arm maintainer.
>>
>> The akpm tree lost a few patches that turned up elsewhere.
>>
>
> From my today's build-log on a Ubuntu/precise AMD64 host:
> [...]
>   LD      drivers/video/built-in.o
>   LD      drivers/built-in.o
>   LINK    vmlinux
>   LD      vmlinux.o
>   MODPOST vmlinux.o
>   GEN     .version
>   CHK     include/generated/compile.h
>   UPD     include/generated/compile.h
>   CC      init/version.o
>   LD      init/built-in.o
> drivers/built-in.o: In function `ab3100_probe':
> ab3100-core.c:(.devinit.text+0xbf97): undefined reference to
> `rand_initialize_irq'
> make[2]: *** [vmlinux] Error 1
> make[1]: *** [deb-pkg] Error 2
> make: *** [deb-pkg] Error 2
>
> MFD / AB3100 kernel-config settings:
>
> CONFIG_AB3100_CORE=y
> CONFIG_AB3100_OTP=m
> CONFIG_REGULATOR_AB3100=m
> CONFIG_RTC_DRV_AB3100=m
>
> If you need further informations, please let me know.
>
> - Sedat -

[ CC Ted (new random maintainer) ]

Is this due to this change?

>From 946672f548682905d8ecdab33bb6e2c705418505 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@xxxxxxx>
Date: Sat, 14 Jul 2012 20:27:52 -0400
Subject: [PATCH] random: remove rand_initialize_irq()

With the new interrupt sampling system, we are no longer using the
timer_rand_state structure in the irq descriptor, so we can stop
initializing it now.

Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx

...looks like AB3100 is the *only* driver still using rand_initialize_irq()...

drivers/mfd/ab3100-core.c:939:  rand_initialize_irq(client->irq);

...but why has random.h still this...?

include/linux/random.h:51:extern void rand_initialize_irq(int irq);

Just thinking "loud"...

- Sedat -
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