Re: [RFC PATCH] ARM: s3c: mark as deprecated and schedule removal after 2022

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Am Dienstag, 2. November 2021, 12:05:19 CET schrieb Krzysztof Kozlowski:
> The Samsung S3C24xx and S3C64xx platforms are very old designs. S3C2416
> was introduced in 2008 and S3C6410 in 2009/2010.  They are not widely
> available anymore - out-of-stock on FriendlyArm (one of manufacturers of
> boards) and only few specialist stores still offer them for quite a high
> price.
> 
> The community around these platforms was not very active, so I suspect
> no one really uses them anymore. Maintenance takes precious time so
> there is little sense in keeping them alive if there are no real users.
> 
> Let's mark all S3C24xx and S3C64xx platforms as deprecated and mention
> possible removal in one year (after 2022).  The deprecation message will
> be as text in Kconfig, build message (not a warning though) and runtime
> print error.
> 
> If there are any users, they might respond and postpone the removal.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx>


s3c2416/s3c2450 was my entry into kernel development, so I have an
emotional connection to it ;-) - and also still hold onto a stash of devices.

Nevertheless personally I don't see myself finding the time to continue
working on those platforms (or the s3c2443-based Openmoko Freerunner
I also still have), because as you said those platforms are so old.


So
Acked-by: Heiko Stuebner <heiko@xxxxxxxxx>

> ---
>  arch/arm/Kconfig                  | 7 ++++++-
>  arch/arm/mach-s3c/Kconfig.s3c64xx | 7 ++++++-
>  arch/arm/mach-s3c/cpu.c           | 1 +
>  arch/arm/mach-s3c/init.c          | 2 ++
>  arch/arm/mach-s3c/s3c24xx.c       | 5 +++++
>  arch/arm/mach-s3c/s3c64xx.c       | 5 +++++
>  6 files changed, 25 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index f0f9e8bec83a..bd8237c7e7f1 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -473,7 +473,7 @@ config ARCH_SA1100
>  	  Support for StrongARM 11x0 based boards.
>  
>  config ARCH_S3C24XX
> -	bool "Samsung S3C24XX SoCs"
> +	bool "Samsung S3C24XX SoCs (deprecated, see help)"
>  	select ATAGS
>  	select CLKSRC_SAMSUNG_PWM
>  	select GPIO_SAMSUNG
> @@ -491,6 +491,11 @@ config ARCH_S3C24XX
>  	  (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or the
>  	  Samsung SMDK2410 development board (and derivatives).
>  
> +	  The platform is deprecated and scheduled in removal. Please reach to
> +	  the maintainers of the platform and linux-samsung-soc@xxxxxxxxxxxxxxx if
> +	  you still use it.
> +	  Without such feedback, the platform will be removed after 2022.
> +
>  config ARCH_OMAP1
>  	bool "TI OMAP1"
>  	depends on MMU
> diff --git a/arch/arm/mach-s3c/Kconfig.s3c64xx b/arch/arm/mach-s3c/Kconfig.s3c64xx
> index f3fcb570edf5..3b090ae72bbd 100644
> --- a/arch/arm/mach-s3c/Kconfig.s3c64xx
> +++ b/arch/arm/mach-s3c/Kconfig.s3c64xx
> @@ -4,7 +4,7 @@
>  #	Simtec Electronics, Ben Dooks <ben@xxxxxxxxxxxx>
>  
>  menuconfig ARCH_S3C64XX
> -	bool "Samsung S3C64XX"
> +	bool "Samsung S3C64XX (deprecated, see help)"
>  	depends on ARCH_MULTI_V6
>  	select ARM_AMBA
>  	select ARM_VIC
> @@ -25,6 +25,11 @@ menuconfig ARCH_S3C64XX
>  	help
>  	  Samsung S3C64XX series based systems
>  
> +	  The platform is deprecated and scheduled in removal. Please reach to
> +	  the maintainers of the platform and linux-samsung-soc@xxxxxxxxxxxxxxx if
> +	  you still use it.
> +	  Without such feedback, the platform will be removed after 2022.
> +
>  if ARCH_S3C64XX
>  
>  # Configuration options for the S3C6410 CPU
> diff --git a/arch/arm/mach-s3c/cpu.c b/arch/arm/mach-s3c/cpu.c
> index 6e9772555f0d..3b16cf42910f 100644
> --- a/arch/arm/mach-s3c/cpu.c
> +++ b/arch/arm/mach-s3c/cpu.c
> @@ -28,4 +28,5 @@ void __init s3c64xx_init_cpu(void)
>  	}
>  
>  	pr_info("Samsung CPU ID: 0x%08lx\n", samsung_cpu_id);
> +	pr_err("The platform is deprecated and scheduled in removal. Please reach to the maintainers of the platform and linux-samsung-soc@xxxxxxxxxxxxxxx if you still use it.  Without such feedback, the platform will be removed after 2022.\n");
>  }
> diff --git a/arch/arm/mach-s3c/init.c b/arch/arm/mach-s3c/init.c
> index 9d92f03e9bc1..5db7dc54340c 100644
> --- a/arch/arm/mach-s3c/init.c
> +++ b/arch/arm/mach-s3c/init.c
> @@ -59,6 +59,8 @@ void __init s3c_init_cpu(unsigned long idcode,
>  
>  	if (cpu->map_io)
>  		cpu->map_io();
> +
> +	pr_err("The platform is deprecated and scheduled in removal. Please reach to the maintainers of the platform and linux-samsung-soc@xxxxxxxxxxxxxxx if you still use it.  Without such feedback, the platform will be removed after 2022.\n");
>  }
>  
>  /* s3c24xx_init_clocks
> diff --git a/arch/arm/mach-s3c/s3c24xx.c b/arch/arm/mach-s3c/s3c24xx.c
> index ccfed48c98aa..2ea1cb21dfbc 100644
> --- a/arch/arm/mach-s3c/s3c24xx.c
> +++ b/arch/arm/mach-s3c/s3c24xx.c
> @@ -678,3 +678,8 @@ struct platform_device s3c2410_device_dclk = {
>  	},
>  };
>  #endif
> +
> +#pragma message "The platform is deprecated and scheduled in removal (see platform help). " \
> +		"Please reach to the maintainers of the platform " \
> +		"and linux-samsung-soc@xxxxxxxxxxxxxxx if you still use it." \
> +		"Without such feedback, the platform will be removed after 2022."
> diff --git a/arch/arm/mach-s3c/s3c64xx.c b/arch/arm/mach-s3c/s3c64xx.c
> index 4dfb648142f2..3e248f0e96a2 100644
> --- a/arch/arm/mach-s3c/s3c64xx.c
> +++ b/arch/arm/mach-s3c/s3c64xx.c
> @@ -425,3 +425,8 @@ static int __init s3c64xx_init_irq_eint(void)
>  	return 0;
>  }
>  arch_initcall(s3c64xx_init_irq_eint);
> +
> +#pragma message "The platform is deprecated and scheduled in removal (see platform help). " \
> +		"Please reach to the maintainers of the platform " \
> +		"and linux-samsung-soc@xxxxxxxxxxxxxxx if you still use it." \
> +		"Without such feedback, the platform will be removed after 2022."
> 







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