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SubjectRe: Linux 2.6.3-rc4
On Tue, Feb 17, 2004 at 11:09:45AM -0800, Linus Torvalds wrote:
>
>
> On Tue, 17 Feb 2004, GCS wrote:
> >
> > drivers/built-in.o(.text+0xb2c44): In function `radeon_do_probe_i2c_edid':
> > : undefined reference to `i2c_transfer'
> > make: *** [.tmp_vmlinux1] Error 1
> >
> > .config snippshet:
> > # CONFIG_FB_RADEON_OLD is not set
> > CONFIG_FB_RADEON=y
> > CONFIG_FB_RADEON_I2C=y
> > CONFIG_FB_RADEON_DEBUG=y
>
> I don't see this. What's your I2C config, and how did you generate your
> config file?
>
> CONFIG_FB_RADEON_I2C should depend on CONFIG_I2C, and it selects
> I2C_ALGOBIT, but your error messages seem to imply that you don't have i2c
> enabled at all.
>
> Which implies a configuration error (but the Kconfig file looks correct,
> so I wonder if you found a bug in the configurator).

Most likely the problem is CONFIG_I2C=m and the fact that FB_RADEON_I2C
is a bool.

I don't know whether there's a better way to express this, but something
like the following is required:

--- linux-2.6.3-rc4/drivers/video/Kconfig.old 2004-02-17 21:00:24.000000000 +0100
+++ linux-2.6.3-rc4/drivers/video/Kconfig 2004-02-17 21:01:53.000000000 +0100
@@ -644,7 +644,7 @@

config FB_RADEON_I2C
bool "DDC/I2C for ATI Radeon support"
- depends on FB_RADEON && I2C
+ depends on (FB_RADEON=m && I2C) || (FB_RADEON=y && I2C=y)
select I2C_ALGOBIT
default y
help

> Linus

cu
Adrian

--

"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed

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