[PATCH] core: Rework REGMAP symbols implementation
Anshul Dalal
anshuld at ti.com
Tue Mar 17 07:21:23 CET 2026
On Tue Mar 17, 2026 at 6:54 AM IST, Tom Rini wrote:
> As exposed by "make randconfig", we have an issue with the dependencies
> for REGMAP (and xPL variants). As this is a library function, it should
> always be selected and not depended on by other functionality. This is
> largely done correctly today, so just correct the few outliers.
>
> Signed-off-by: Tom Rini <trini at konsulko.com>
> ---
> arch/arm/mach-airoha/Kconfig | 1 +
> arch/arm/mach-aspeed/Kconfig | 1 +
> arch/powerpc/cpu/mpc83xx/Kconfig | 1 +
> configs/imx8m_data_modul.config | 1 -
> configs/imx95_evk.config | 1 -
> configs/imx_dhsom.config | 1 -
> configs/kontron-osm-s-mx8mp.config | 1 -
> configs/kontron-osm-s-mx93.config | 1 -
> configs/renesas_rcar64.config | 1 -
> drivers/clk/microchip/Kconfig | 1 -
> drivers/core/Kconfig | 19 +++++++++++--------
> drivers/misc/Kconfig | 3 ++-
> drivers/mmc/Kconfig | 3 ++-
> 13 files changed, 18 insertions(+), 17 deletions(-)
>
> diff --git a/arch/arm/mach-airoha/Kconfig b/arch/arm/mach-airoha/Kconfig
> index b9cd0a413e10..4b0374001d0c 100644
> --- a/arch/arm/mach-airoha/Kconfig
> +++ b/arch/arm/mach-airoha/Kconfig
> @@ -10,6 +10,7 @@ config TARGET_EN7523
> bool "Airoha EN7523 SoC"
> select CPU_V7A
> select ARMV7_SET_CORTEX_SMPEN
> + select REGMAP
> help
> The Airoha EN7523 family (en7523/en7529/en7562) is an ARM-based
> SoCs with a dual-core CPU. It comes with Wi-Fi 5/6 support and
> diff --git a/arch/arm/mach-aspeed/Kconfig b/arch/arm/mach-aspeed/Kconfig
> index 9cf60378c118..c88b1e59366e 100644
> --- a/arch/arm/mach-aspeed/Kconfig
> +++ b/arch/arm/mach-aspeed/Kconfig
> @@ -18,6 +18,7 @@ config ASPEED_AST2500
> bool "Support Aspeed AST2500 SoC"
> select CPU_ARM1176
> select DM_RESET
> + select REGMAP
> help
> The Aspeed AST2500 is a ARM-based SoC with arm1176 CPU.
> It is used as Board Management Controller on many server boards,
> diff --git a/arch/powerpc/cpu/mpc83xx/Kconfig b/arch/powerpc/cpu/mpc83xx/Kconfig
> index 8ac83420ee22..0dc72c874237 100644
> --- a/arch/powerpc/cpu/mpc83xx/Kconfig
> +++ b/arch/powerpc/cpu/mpc83xx/Kconfig
> @@ -73,6 +73,7 @@ config TARGET_KMTEPR2
> config TARGET_GAZERBEAM
> bool "Support gazerbeam"
> select ARCH_MPC8308
> + select REGMAP
> select SYS_FSL_ERRATUM_ESDHC111
> imply ENV_IS_IN_FLASH
> help
> diff --git a/configs/imx8m_data_modul.config b/configs/imx8m_data_modul.config
> index 4634a0972f09..18c7bb536fa0 100644
> --- a/configs/imx8m_data_modul.config
> +++ b/configs/imx8m_data_modul.config
> @@ -149,7 +149,6 @@ CONFIG_PINCTRL=y
> CONFIG_PINCTRL_IMX8M=y
> CONFIG_POWER_DOMAIN=y
> CONFIG_PROT_TCP_SACK=y
> -CONFIG_REGMAP=y
> CONFIG_RGMII=y
> CONFIG_RTC_M41T62=y
> CONFIG_SF_DEFAULT_SPEED=50000000
> diff --git a/configs/imx95_evk.config b/configs/imx95_evk.config
> index 3db583cce597..e7832d86fe91 100644
> --- a/configs/imx95_evk.config
> +++ b/configs/imx95_evk.config
> @@ -92,7 +92,6 @@ CONFIG_ETHPRIME="eth0"
> CONFIG_NET_RANDOM_ETHADDR=y
> CONFIG_SYS_RX_ETH_BUFFER=8
> CONFIG_SPL_DM=y
> -CONFIG_REGMAP=y
> CONFIG_SYSCON=y
> CONFIG_SPL_OF_TRANSLATE=y
> CONFIG_CLK=y
> diff --git a/configs/imx_dhsom.config b/configs/imx_dhsom.config
> index 4a3ddc7e90b7..a0d67c8a0688 100644
> --- a/configs/imx_dhsom.config
> +++ b/configs/imx_dhsom.config
> @@ -28,7 +28,6 @@ CONFIG_ENV_SECT_SIZE_AUTO=y
> CONFIG_ENV_REDUNDANT=y
> CONFIG_ENV_RELOC_GD_ENV_ADDR=y
>
> -CONFIG_REGMAP=y
> CONFIG_SYSCON=y
>
> CONFIG_DM_GPIO=y
> diff --git a/configs/kontron-osm-s-mx8mp.config b/configs/kontron-osm-s-mx8mp.config
> index a8881726e079..786fd3e7a6de 100644
> --- a/configs/kontron-osm-s-mx8mp.config
> +++ b/configs/kontron-osm-s-mx8mp.config
> @@ -117,7 +117,6 @@ CONFIG_TFTP_TSIZE=y
> CONFIG_NET_RANDOM_ETHADDR=y
> CONFIG_SPL_DM=y
> CONFIG_SPL_DM_SEQ_ALIAS=y
> -CONFIG_REGMAP=y
> CONFIG_SYSCON=y
> CONFIG_BOOTCOUNT_LIMIT=y
> CONFIG_BOOTCOUNT_ENV=y
> diff --git a/configs/kontron-osm-s-mx93.config b/configs/kontron-osm-s-mx93.config
> index a6d316de3d87..c2d4de4efa8a 100644
> --- a/configs/kontron-osm-s-mx93.config
> +++ b/configs/kontron-osm-s-mx93.config
> @@ -115,7 +115,6 @@ CONFIG_TFTP_TSIZE=y
> CONFIG_NET_RANDOM_ETHADDR=y
> CONFIG_SPL_DM=y
> CONFIG_SPL_DM_SEQ_ALIAS=y
> -CONFIG_REGMAP=y
> CONFIG_SYSCON=y
> CONFIG_ADC=y
> CONFIG_ADC_IMX93=y
> diff --git a/configs/renesas_rcar64.config b/configs/renesas_rcar64.config
> index c2cb88dc157f..da4b262fc6a5 100644
> --- a/configs/renesas_rcar64.config
> +++ b/configs/renesas_rcar64.config
> @@ -6,7 +6,6 @@ CONFIG_CMD_TEMPERATURE=y
> CONFIG_DM_THERMAL=y
> CONFIG_PHY_ANEG_TIMEOUT=20000
> CONFIG_RCAR_GEN3_THERMAL=y
> -CONFIG_REGMAP=y
> CONFIG_REMAKE_ELF=y
> CONFIG_RENESAS_RPC_SPI=y
> CONFIG_SUPPORT_RAW_INITRD=y
> diff --git a/drivers/clk/microchip/Kconfig b/drivers/clk/microchip/Kconfig
> index 62072e100b18..6ac7c9c56547 100644
> --- a/drivers/clk/microchip/Kconfig
> +++ b/drivers/clk/microchip/Kconfig
> @@ -2,6 +2,5 @@ config CLK_MPFS
> bool "Clock support for Microchip PolarFire SoC"
> depends on CLK && CLK_CCF
> depends on SYSCON
> - depends on REGMAP
> help
> This enables support clock driver for Microchip PolarFire SoC platform.
> diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig
> index c9253099e6ea..5419bf65b5d6 100644
> --- a/drivers/core/Kconfig
> +++ b/drivers/core/Kconfig
> @@ -195,7 +195,7 @@ config DM_DMA
> the physical address space.
>
> config REGMAP
> - bool "Support register maps"
> + bool
> depends on DM
> select DEVRES
> help
> @@ -206,7 +206,7 @@ config REGMAP
> direct memory access.
>
> config SPL_REGMAP
> - bool "Support register maps in SPL"
> + bool
> depends on SPL_DM
> help
> Hardware peripherals tend to have one or more sets of registers
> @@ -216,7 +216,7 @@ config SPL_REGMAP
> direct memory access.
>
> config TPL_REGMAP
> - bool "Support register maps in TPL"
> + bool
> depends on TPL_DM
> help
> Hardware peripherals tend to have one or more sets of registers
> @@ -226,7 +226,7 @@ config TPL_REGMAP
> direct memory access.
>
> config VPL_REGMAP
> - bool "Support register maps in VPL"
> + bool
> depends on VPL_DM
> help
> Hardware peripherals tend to have one or more sets of registers
> @@ -237,7 +237,7 @@ config VPL_REGMAP
>
> config SYSCON
> bool "Support system controllers"
> - depends on REGMAP
> + select REGMAP
> help
> Many SoCs have a number of system controllers which are dealt with
> as a group by a single driver. Some common functionality is provided
> @@ -246,7 +246,8 @@ config SYSCON
>
> config SPL_SYSCON
> bool "Support system controllers in SPL"
> - depends on SPL_REGMAP
> + depends on SPL_DM
> + select SPL_REGMAP
> help
> Many SoCs have a number of system controllers which are dealt with
> as a group by a single driver. Some common functionality is provided
> @@ -255,7 +256,8 @@ config SPL_SYSCON
>
> config TPL_SYSCON
> bool "Support system controllers in TPL"
> - depends on TPL_REGMAP
> + depends on TPL_DM
> + select TPL_REGMAP
> help
> Many SoCs have a number of system controllers which are dealt with
> as a group by a single driver. Some common functionality is provided
> @@ -264,7 +266,8 @@ config TPL_SYSCON
>
> config VPL_SYSCON
> bool "Support system controllers in VPL"
> - depends on VPL_REGMAP
> + depends on VPL_DM
> + select VPL_REGMAP
> help
> Many SoCs have a number of system controllers which are dealt with
> as a group by a single driver. Some common functionality is provided
> diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
> index a0aa290480eb..798f1dbf26cf 100644
> --- a/drivers/misc/Kconfig
> +++ b/drivers/misc/Kconfig
> @@ -350,7 +350,8 @@ config MXS_OCOTP
>
> config NPCM_HOST
> bool "Enable support espi or LPC for Host"
> - depends on REGMAP && SYSCON
> + depends on SYSCON
> + select REGMAP
> help
> Enable NPCM BMC espi or LPC support for Host reading and writing.
>
> diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
> index 39caf2eff1b7..22bd3a972bdf 100644
> --- a/drivers/mmc/Kconfig
> +++ b/drivers/mmc/Kconfig
> @@ -627,8 +627,9 @@ config MMC_SDHCI_AM654
> depends on ARCH_K3
> depends on MMC_SDHCI
> depends on OF_CONTROL
> - depends on REGMAP
> select MMC_SDHCI_IO_ACCESSORS
> + select REGMAP
> + select SPL_REGMAP if SPL_MMC
With this there should be no need to explicitly set REGMAP configs like
we do in most of K3 defconfigs for using MMC.
Acked-by: Anshul Dalal <anshuld at ti.com>
> help
> Support for Secure Digital Host Controller Interface (SDHCI)
> controllers present on TI's AM654 SOCs.
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