Subject: Re: linux-next: Tree for Jan 18 (i2c-designware-platdrv.c)

From: Jarkko Nikula <[email-masked]>
Date: Mon, 21 Jan 2019 15:36:21 +0200

Hi

On 1/18/19 6:27 PM, Randy Dunlap wrote:
> On 1/17/19 8:24 PM, Stephen Rothwell wrote:
>> Hi all,
>>
>> Changes since 20190117:
>>
> 
> on i386 or x86_64:
> 
> ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_resume':
> i2c-designware-platdrv.c:(.text+0x4b): undefined reference to `i2c_dw_prepare_clk'
> ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_suspend':
> i2c-designware-platdrv.c:(.text+0x95): undefined reference to `i2c_dw_prepare_clk'
> ld: drivers/i2c/busses/i2c-designware-platdrv.o: in function `dw_i2c_plat_probe':
> i2c-designware-platdrv.c:(.text+0x63f): undefined reference to `i2c_dw_prepare_clk'
> ld: i2c-designware-platdrv.c:(.text+0x686): undefined reference to `i2c_dw_read_comp_param'
> ld: i2c-designware-platdrv.c:(.text+0x7b7): undefined reference to `i2c_dw_probe_slave'
> ld: i2c-designware-platdrv.c:(.text+0x7c1): undefined reference to `i2c_dw_probe'
> 
> 
> probably related to:
> 
> WARNING: unmet direct dependencies detected for I2C_DESIGNWARE_PLATFORM
>    Depends on [n]: I2C [=y] && HAS_IOMEM [=y] && (ACPI [=y] && COMMON_CLK [=n] || !ACPI [=y])
>    Selected by [y]:
>    - MFD_TPS68470 [=y] && HAS_IOMEM [=y] && ACPI [=y] && I2C [=y]=y
> 
Thanks, this is due CONFIG_MFD_TPS68470 which selects the 
I2C_DESIGNWARE_PLATFORM but not the dependencies. There are two others 
in drivers/mfd/Kconfig. I'll send a patch changing them to depend on 
I2C_DESIGNWARE_PLATFORM=y.

-- 
Jarkko