FAQ: [#5984] Build kernel failed with ad1938 in latest trunk(2010)

[#5984] Build kernel failed with ad1938 in latest trunk

Submitted By: Vivi Li

Open Date

2010-03-22 06:46:11 Close Date

2010-04-12 03:51:15

Priority:

Medium Assignee:

Barry Song

Status:

Closed Fixed In Release:

N/A

Found In Release:

2010R1 Release:

Category:

Make Errors Board:

N/A

Processor:

ALL Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2010_Jan_22

App binary format:

N/A

Summary: Build kernel failed with ad1938 in latest trunk

Details:

Build kernel failed with ad1938 in latest trunk.

LD .tmp_vmlinux1

sound/built-in.o: In function `i2c_add_driver':

include/linux/i2c.h:423: undefined reference to `i2c_register_driver'

sound/built-in.o: In function `ad193x_modexit':

sound/soc/codecs/ad193x.c:553: undefined reference to `i2c_del_driver'

make[1]: *** [.tmp_vmlinux1] Error 1

Last passed version:

kernel: Linux release 2.6.33.1-ADI-2010R1-pre-svn8506, build #32 Fri Mar 19 09:30:44 CST 2010

toolchain: bfin-linux-uclibc-gcc release gcc version 4.3.4 (ADI-trunk/svn-3815)

user-dist: release svn-9515, build #634 Fri Mar 19 09:30:11 CST 2010

First failed version:

kernel: Linux release 2.6.33.1-ADI-2010R1-pre-svn8523, build #36 Sat Mar 20 10:26:43 CST 2010

toolchain: bfin-linux-uclibc-gcc release gcc version 4.3.4 (ADI-trunk/svn-3815)

user-dist: release svn-9521, build #721 Sat Mar 20 10:26:10 CST 2010

Follow-ups

--- Barry Song 2010-03-29 02:12:09

This error comes from the upstream framework bug. In your config, ad193x is

built-in, SPI is built-in but i2c is compiled as a module, then you get the link

error. I will send a mail to Mark Brown to discuss this. I remember we split spi

and i2c drivers to solve this problem, but ASoC require us to place them

together.

sound/soc/codecs/Kconfig:

config SND_SOC_I2C_AND_SPI

tristate

default m if I2C=m

default y if I2C=y

default y if SPI_MASTER=y

is not strong to handle this.

-barry

--- Barry Song 2010-03-29 06:27:35

Check email loop: "bug in spi and i2c dual buses codecs"

Mark Brown think it is expected behavior. It's not been a practical problem -

the combination of audio built in and one of the buses modular is far

from common.

So looks like we can't configure kernel by this way.

We can either built-in all, or compile codec driver as module.

-barry

--- Vivi Li 2010-04-12 03:49:39

Modify build script to select I2C.

So close this bug.

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