Re: [PATCH v2 1/2] memory: fsl_ifc: Make FSL_IFC config visible and selectable

[Christophe Leroy <christophe.leroy@csgroup.eu>]

Le 28/05/2024 à 14:28, Esben Haabendal a écrit :
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> 
> While use of fsl_ifc driver with NAND flash is fine, as the fsl_ifc_nand
> driver selects FSL_IFC automatically, we need the CONFIG_FSL_IFC option to
> be selectable for platforms using fsl_ifc with NOR flash.

I don't understand.

Shall I understand :

While use of fsl_ifc driver with NAND flash is fine as the fsl_ifc_nand 
driver selects FSL_IFC automatically, ....

or

..., as the fsl_ifc_nand driver selects FSL_IFC automatically we need 
the CONFIG_FSL_IFC option to be selectable for platforms using fsl_ifc 
with NOR flash



I'm fine with the fact that you want to be able to select it when you 
use NOR flashes, allthough I can't see why, but why do you need to 
change the "select" to a "depend" ? You should be able to leave it as a 
"select" in which case patch 2 wouldn't be necessary.

Christophe



> 
> Fixes: ea0c0ad6b6eb ("memory: Enable compile testing for most of the drivers")
> Signed-off-by: Esben Haabendal <esben@geanix.com>
> ---
>   drivers/memory/Kconfig       | 2 +-
>   drivers/mtd/nand/raw/Kconfig | 3 +--
>   2 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/memory/Kconfig b/drivers/memory/Kconfig
> index 8efdd1f97139..c82d8d8a16ea 100644
> --- a/drivers/memory/Kconfig
> +++ b/drivers/memory/Kconfig
> @@ -167,7 +167,7 @@ config FSL_CORENET_CF
>            represents a coherency violation.
> 
>   config FSL_IFC
> -       bool "Freescale IFC driver" if COMPILE_TEST
> +       bool "Freescale IFC driver"
>          depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST
>          depends on HAS_IOMEM
> 
> diff --git a/drivers/mtd/nand/raw/Kconfig b/drivers/mtd/nand/raw/Kconfig
> index cbf8ae85e1ae..614257308516 100644
> --- a/drivers/mtd/nand/raw/Kconfig
> +++ b/drivers/mtd/nand/raw/Kconfig
> @@ -234,8 +234,7 @@ config MTD_NAND_FSL_IFC
>          tristate "Freescale IFC NAND controller"
>          depends on FSL_SOC || ARCH_LAYERSCAPE || SOC_LS1021A || COMPILE_TEST
>          depends on HAS_IOMEM
> -       select FSL_IFC
> -       select MEMORY
> +       depends on FSL_IFC
>          help
>            Various Freescale chips e.g P1010, include a NAND Flash machine
>            with built-in hardware ECC capabilities.
> 
> --
> 2.45.1
>