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SubjectRe: [PATCH] MTD: Refine HAS_IOMEM dependency
Am 25.01.2012 18:21, schrieb Richard Weinberger:
> Making the entire mtd subsystem depend on HAS_IOMEM is a bit overkill.
> HAS_IOMEM is only needed for real devices drivers.
> nandsim and friends are perfectly usable on systems without IO memory.
>
> I'm my case I'm using nandsim on UML to do some UBI and JFFS2 development.
>
> Signed-off-by: Richard Weinberger<richard@nod.at>
> ---
> drivers/mtd/Kconfig | 1 -
> drivers/mtd/devices/Kconfig | 1 +
> drivers/mtd/maps/Kconfig | 1 +
> drivers/mtd/nand/Kconfig | 2 ++
> drivers/mtd/onenand/Kconfig | 1 +
> 5 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
> index 1be6218..bfbd62c 100644
> --- a/drivers/mtd/Kconfig
> +++ b/drivers/mtd/Kconfig
> @@ -1,6 +1,5 @@
> menuconfig MTD
> tristate "Memory Technology Device (MTD) support"
> - depends on HAS_IOMEM
> help
> Memory Technology Devices are flash, RAM and similar chips, often
> used for solid state file systems on embedded devices. This option
> diff --git a/drivers/mtd/devices/Kconfig b/drivers/mtd/devices/Kconfig
> index 37b05c3..8d3dac4 100644
> --- a/drivers/mtd/devices/Kconfig
> +++ b/drivers/mtd/devices/Kconfig
> @@ -1,5 +1,6 @@
> menu "Self-contained MTD device drivers"
> depends on MTD!=n
> + depends on HAS_IOMEM
>
> config MTD_PMC551
> tristate "Ramix PMC551 PCI Mezzanine RAM card support"
> diff --git a/drivers/mtd/maps/Kconfig b/drivers/mtd/maps/Kconfig
> index 6c5c431..8af67cf 100644
> --- a/drivers/mtd/maps/Kconfig
> +++ b/drivers/mtd/maps/Kconfig
> @@ -1,5 +1,6 @@
> menu "Mapping drivers for chip access"
> depends on MTD!=n
> + depends on HAS_IOMEM
>
> config MTD_COMPLEX_MAPPINGS
> bool "Support non-linear mappings of flash chips"
> diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
> index 31b034b..80de7b3 100644
> --- a/drivers/mtd/nand/Kconfig
> +++ b/drivers/mtd/nand/Kconfig
> @@ -246,6 +246,7 @@ config MTD_NAND_BCM_UMI_HWCS
> config MTD_NAND_DISKONCHIP
> tristate "DiskOnChip 2000, Millennium and Millennium Plus (NAND reimplementation) (EXPERIMENTAL)"
> depends on EXPERIMENTAL
> + depends on HAS_IOMEM
> select REED_SOLOMON
> select REED_SOLOMON_DEC16
> help
> @@ -431,6 +432,7 @@ config MTD_NAND_GPMI_NAND
>
> config MTD_NAND_PLATFORM
> tristate "Support for generic platform NAND driver"
> + depends on HAS_IOMEM
> help
> This implements a generic NAND driver for on-SOC platform
> devices. You will need to provide platform-specific functions
> diff --git a/drivers/mtd/onenand/Kconfig b/drivers/mtd/onenand/Kconfig
> index 772ad29..91467bb 100644
> --- a/drivers/mtd/onenand/Kconfig
> +++ b/drivers/mtd/onenand/Kconfig
> @@ -1,6 +1,7 @@
> menuconfig MTD_ONENAND
> tristate "OneNAND Device Support"
> depends on MTD
> + depends on HAS_IOMEM
> help
> This enables support for accessing all type of OneNAND flash
> devices. For further information see

Ping?

Thanks,
//richard


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