Re: [PATCH] drivers/mfd/ucb1400_core.c: fix undefined reference to`ac97_bus_type'

From: Randy Dunlap
Date: Sun Oct 12 2008 - 18:03:50 EST


On Sun, 12 Oct 2008 13:18:13 -0300 Sergio Luis wrote:

> randconfig got a problem with ucb1400_core.c (config attached)
>
> drivers/built-in.o:(.data+0x15ab4): undefined reference to `ac97_bus_type'
> make: *** [.tmp_vmlinux1] Error 1
>
> ucb1400 is an ac97 audio codec. express this dependency in Kconfig
>
> Signed-off-by: Sergio Luis <sergio@xxxxxxxxxxxxxx>
> Cc: Marek Vasut <marek.vasut@xxxxxxxxx>
>
> drivers/mfd/Kconfig | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
> index 0dae245..fa851c5 100644
> --- a/drivers/mfd/Kconfig
> +++ b/drivers/mfd/Kconfig
> @@ -52,6 +52,7 @@ config HTC_PASIC3
>
> config UCB1400_CORE
> tristate "Philips UCB1400 Core driver"
> + select AC97_BUS
> help
> This enables support for the Philips UCB1400 core functions.
> The UCB1400 is an AC97 audio codec.

Hi,

Andrew has a "depends on AC97_BUS" patch queued and approved... fwiw.

The problem with "select AC97_BUS" is that SOUND could be =n and
selecting AC97_BUS still will not enable SOUND, so it's useless
(unless/until kconfig is taught to follow select dependencies).

---
~Randy
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/