Subject: Re: linux-next: Tree for May 18 (input/misc/iqs269a.c & regmap)

From: Jeff LaBundy <[email-masked]>
Date: Mon, 18 May 2020 11:20:58 -0500

Hi Randy et al,

On Mon, May 18, 2020 at 08:42:43AM -0700, Randy Dunlap wrote:
> On 5/18/20 3:57 AM, Stephen Rothwell wrote:
> > Hi all,
> > 
> > Changes since 20200515:
> > 
> 
> on i386:
> 
> 
> CONFIG_REGMAP_I2C=y
> CONFIG_I2C=m
> 
> WARNING: unmet direct dependencies detected for REGMAP_I2C
>   Depends on [m]: I2C [=m]
>   Selected by [y]:
>   - INPUT_IQS269A [=y] && !UML && INPUT [=y] && INPUT_MISC [=y]
> 
> 
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_byte_reg_read':
> regmap-i2c.c:(.text+0x192): undefined reference to `i2c_smbus_read_byte_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_byte_reg_write':
> regmap-i2c.c:(.text+0x1d7): undefined reference to `i2c_smbus_write_byte_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_reg_read':
> regmap-i2c.c:(.text+0x202): undefined reference to `i2c_smbus_read_word_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_read_swapped':
> regmap-i2c.c:(.text+0x242): undefined reference to `i2c_smbus_read_word_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_write_swapped':
> regmap-i2c.c:(.text+0x2a1): undefined reference to `i2c_smbus_write_word_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_smbus_word_reg_write':
> regmap-i2c.c:(.text+0x2d7): undefined reference to `i2c_smbus_write_word_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_read_reg16':
> regmap-i2c.c:(.text+0x310): undefined reference to `i2c_smbus_write_byte_data'
> ld: regmap-i2c.c:(.text+0x323): undefined reference to `i2c_smbus_read_byte'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_write_reg16':
> regmap-i2c.c:(.text+0x39c): undefined reference to `i2c_smbus_write_i2c_block_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_write':
> regmap-i2c.c:(.text+0x3db): undefined reference to `i2c_smbus_write_i2c_block_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_smbus_i2c_read':
> regmap-i2c.c:(.text+0x427): undefined reference to `i2c_smbus_read_i2c_block_data'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_read':
> regmap-i2c.c:(.text+0x49f): undefined reference to `i2c_transfer'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_gather_write':
> regmap-i2c.c:(.text+0x524): undefined reference to `i2c_transfer'
> ld: drivers/base/regmap/regmap-i2c.o: in function `regmap_i2c_write':
> regmap-i2c.c:(.text+0x56c): undefined reference to `i2c_transfer_buffer_flags'
> ld: drivers/input/misc/iqs269a.o: in function `iqs269_i2c_driver_init':
> iqs269a.c:(.init.text+0xb): undefined reference to `i2c_register_driver'
> ld: drivers/input/misc/iqs269a.o: in function `iqs269_i2c_driver_exit':
> iqs269a.c:(.exit.text+0x9): undefined reference to `i2c_del_driver'
> 
> 
> 
> Full randconfig file is attached.

A complete oversight on my part; during my testing I did not realize
another module was selecting I2C for me. Valuable lesson learned :)

The kbuild test robot set off the alarm bells earlier today and I've
sent a patch [1] already. Many apologies for all of the noise.

> 
> -- 
> ~Randy
> Reported-by: Randy Dunlap <[email-masked]>

[1] https://patchwork.kernel.org/patch/11555469/

Kind regards,
Jeff LaBundy