Re: [RFT 12/16] memory: brcmstb_dpfe: Add separate entry for compile test

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On 7/24/20 11:23 AM, Krzysztof Kozlowski wrote:
> Add separate entry for Broadcom STB DPFE driver, selected by platforms
> by default.  This allows further customization and compile testing.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
> ---
> 
> I have other changes around drivers/memory/Kconfig pending. Sending them
> together would avoid conflicts.
> 
> ---
>  arch/arm/mach-bcm/Kconfig    |  1 +
>  arch/arm64/Kconfig.platforms |  1 +
>  drivers/memory/Kconfig       | 11 +++++++++++
>  drivers/memory/Makefile      |  2 +-
>  4 files changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
> index 1df0ee01ee02..b0c45238e69b 100644
> --- a/arch/arm/mach-bcm/Kconfig
> +++ b/arch/arm/mach-bcm/Kconfig
> @@ -208,6 +208,7 @@ config ARCH_BRCMSTB
>  	select ARM_GIC
>  	select ARM_ERRATA_798181 if SMP
>  	select HAVE_ARM_ARCH_TIMER
> +	select BRCMSTB_DPFE
>  	select BRCMSTB_L2_IRQ
>  	select BCM7120_L2_IRQ
>  	select ARCH_HAS_HOLES_MEMORYMODEL
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index ddc3bf75257f..f7791ed0ed6d 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -68,6 +68,7 @@ config ARCH_BRCMSTB
>  	bool "Broadcom Set-Top-Box SoCs"
>  	select ARCH_HAS_RESET_CONTROLLER
>  	select BCM7038_L1_IRQ
> +	select BRCMSTB_DPFE

The select is probably not warranted, see below.

>  	select BRCMSTB_L2_IRQ
>  	select GENERIC_IRQ_CHIP
>  	select PINCTRL
> diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
> index cd4fc93b50df..fef6f0873fda 100644
> --- a/drivers/memory/Kconfig
> +++ b/drivers/memory/Kconfig
> @@ -54,6 +54,17 @@ config ATMEL_EBI
>  	  tree is used. This bus supports NANDs, external ethernet controller,
>  	  SRAMs, ATA devices, etc.
>  
> +config BRCMSTB_DPFE
> +	bool "Broadcom STB DPFE driver" if COMPILE_TEST
> +	depends on ARCH_BRCMSTB || COMPILE_TEST

Can you make it default ARCH_BRCMSTB and remove the select above?

With that:

Acked-by: Florian Fainelli <f.fainelli@xxxxxxxxx>

> +	help
> +	  This driver provides access to the DPFE interface of Broadcom
> +	  STB SoCs. The firmware running on the DCPU inside the DDR PHY can
> +	  provide current information about the system's RAM, for instance
> +	  the DRAM refresh rate. This can be used as an indirect indicator
> +	  for the DRAM's temperature. Slower refresh rate means cooler RAM,
> +	  higher refresh rate means hotter RAM.
> +
>  config BT1_L2_CTL
>  	bool "Baikal-T1 CM2 L2-RAM Cache Control Block"
>  	depends on MIPS_BAIKAL_T1 || COMPILE_TEST
> diff --git a/drivers/memory/Makefile b/drivers/memory/Makefile
> index b4533ffff2bc..e71cf7b99641 100644
> --- a/drivers/memory/Makefile
> +++ b/drivers/memory/Makefile
> @@ -10,7 +10,7 @@ endif
>  obj-$(CONFIG_ARM_PL172_MPMC)	+= pl172.o
>  obj-$(CONFIG_ATMEL_SDRAMC)	+= atmel-sdramc.o
>  obj-$(CONFIG_ATMEL_EBI)		+= atmel-ebi.o
> -obj-$(CONFIG_ARCH_BRCMSTB)	+= brcmstb_dpfe.o
> +obj-$(CONFIG_BRCMSTB_DPFE)	+= brcmstb_dpfe.o
>  obj-$(CONFIG_BT1_L2_CTL)	+= bt1-l2-ctl.o
>  obj-$(CONFIG_TI_AEMIF)		+= ti-aemif.o
>  obj-$(CONFIG_TI_EMIF)		+= emif.o
> 


-- 
Florian



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