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SubjectRe: [PATCH -next] i2c: uses/select RT_MUTEXES
Hi Randy,

On Fri, 25 Sep 2009 15:20:03 -0700, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@oracle.com>
>
> i2c-core uses rt mutexes, so it needs to select that
> kconfig symbol since there is no prompt for it.
>
> ERROR: "rt_mutex_lock" [drivers/i2c/i2c-core.ko] undefined!
> ERROR: "__rt_mutex_init" [drivers/i2c/i2c-core.ko] undefined!
> ERROR: "rt_mutex_trylock" [drivers/i2c/i2c-core.ko] undefined!
> ERROR: "rt_mutex_unlock" [drivers/i2c/i2c-core.ko] undefined!
>
> Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
> ---
> drivers/i2c/Kconfig | 1 +
> 1 file changed, 1 insertion(+)
>
> --- linux-next-20090925.orig/drivers/i2c/Kconfig
> +++ linux-next-20090925/drivers/i2c/Kconfig
> @@ -5,6 +5,7 @@
> menuconfig I2C
> tristate "I2C support"
> depends on HAS_IOMEM
> + select RT_MUTEXES
> ---help---
> I2C (pronounce: I-square-C) is a slow serial bus protocol used in
> many micro controller applications and developed by Philips. SMBus,

Thanks for the fix, I've folded it into
i2c-prevent-priority-inversion-on-top-of-bus-lock.patch.

--
Jean Delvare


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