Subject: Re: [PATCH v2 2/2] serial: cpm_uart: Fix a COMPILE_TEST dependency

From: Jiri Slaby <[email-masked]>
Date: Tue, 23 May 2023 11:13:02 +0200

On 23. 05. 23, 10:59, Herve Codina wrote:
> In a COMPILE_TEST configuration, the cpm_uart driver uses symbols from
> the cpm_uart_cpm2.c file. This file is compiled only when CONFIG_CPM2 is
> set.
> 
> Without this dependency, the linker fails with some missing symbols for
> COMPILE_TEST configuration that needs SERIAL_CPM without enabling CPM2.
> 
> This lead to:
>    depends on CPM2 || CPM1 || (PPC32 && CPM2 && COMPILE_TEST)
> 
> This dependency does not make sense anymore and can be simplified
> removing all the COMPILE_TEST part.

Then it's the same as my revert:
https://lore.kernel.org/all/[email-masked]/

:D

But nevermind.

> Signed-off-by: Herve Codina <[email-masked]>
> Reported-by: kernel test robot <[email-masked]>
> Link: https://lore.kernel.org/oe-kbuild-all/[email-masked]/
> Fixes: e3e7b13bffae ("serial: allow COMPILE_TEST for some drivers")
> ---
>   drivers/tty/serial/Kconfig             | 2 +-
>   drivers/tty/serial/cpm_uart/cpm_uart.h | 2 --
>   2 files changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
> index 625358f44419..de092bc1289e 100644
> --- a/drivers/tty/serial/Kconfig
> +++ b/drivers/tty/serial/Kconfig
> @@ -769,7 +769,7 @@ config SERIAL_PMACZILOG_CONSOLE
>   
>   config SERIAL_CPM
>   	tristate "CPM SCC/SMC serial port support"
> -	depends on CPM2 || CPM1 || (PPC32 && COMPILE_TEST)
> +	depends on CPM2 || CPM1
>   	select SERIAL_CORE
>   	help
>   	  This driver supports the SCC and SMC serial ports on Motorola
> diff --git a/drivers/tty/serial/cpm_uart/cpm_uart.h b/drivers/tty/serial/cpm_uart/cpm_uart.h
> index 0577618e78c0..46c03ed71c31 100644
> --- a/drivers/tty/serial/cpm_uart/cpm_uart.h
> +++ b/drivers/tty/serial/cpm_uart/cpm_uart.h
> @@ -19,8 +19,6 @@ struct gpio_desc;
>   #include "cpm_uart_cpm2.h"
>   #elif defined(CONFIG_CPM1)
>   #include "cpm_uart_cpm1.h"
> -#elif defined(CONFIG_COMPILE_TEST)
> -#include "cpm_uart_cpm2.h"
>   #endif
>   
>   #define SERIAL_CPM_MAJOR	204

-- 
js
suse labs