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Date: Thu, 7 Feb 2008 20:29:40 +0000
From: Russell King - ARM Linux <linux@....linux.org.uk>
To: Sam Ravnborg <sam@...nborg.org>
Cc: Marcin Juszkiewicz <openembedded@...rwu.biz>,
Christoph Hellwig <hch@...radead.org>,
Greg KH <greg@...ah.com>,
linux-arm-kernel@...ts.arm.linux.org.uk,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arch/arm/Kconfig: Make UIO available on ARM architecture
On Thu, Feb 07, 2008 at 09:23:29PM +0100, Sam Ravnborg wrote:
> +# if PCMCIA is selected then we need IDE
> +config ARM_PCMCIA
> + depends on PCMCIA
Shouldn't this be:
def_bool PCMCIA
?
> + select HAVE_IDE
Also, should this be something ARM specific - if you have PCMCIA you could
have a CF card plugged in, so... There's nothing ARM specific about that.
> +
> +# select MTD except in a few corner configuration cases
> +config ARM_MTD
> + depends on ALIGNMENT_TRAP || !CPU_CP15_MMU
Ditto.
> + select HAVE_MTD
> +
> config GENERIC_GPIO
> bool
> default n
> @@ -219,6 +229,7 @@ config ARCH_CLPS7500
> select TIMER_ACORN
> select ISA
> select NO_IOPORT
> + select HAVE_IDE
> help
> Support for the Cirrus Logic PS7500FE system-on-a-chip.
>
> @@ -231,6 +242,7 @@ config ARCH_CO285
> bool "Co-EBSA285"
> select FOOTBRIDGE
> select FOOTBRIDGE_ADDIN
> + select HAVE_IDE
> help
> Support for Intel's EBSA285 companion chip.
>
> @@ -255,6 +267,7 @@ config ARCH_EP93XX
> config ARCH_FOOTBRIDGE
> bool "FootBridge"
> select FOOTBRIDGE
> + select HAVE_IDE
> help
> Support for systems based on the DC21285 companion chip
> ("FootBridge"), such as the Simtec CATS and the Rebel NetWinder.
> @@ -293,6 +306,7 @@ config ARCH_IOP32X
> depends on MMU
> select PLAT_IOP
> select PCI
> + select HAVE_IDE
> help
> Support for Intel's 80219 and IOP32X (XScale) family of
> processors.
> @@ -302,12 +316,14 @@ config ARCH_IOP33X
> depends on MMU
> select PLAT_IOP
> select PCI
> + select HAVE_IDE
> help
> Support for Intel's IOP33X (XScale) family of processors.
>
> config ARCH_IXP23XX
> bool "IXP23XX-based"
> depends on MMU
> + select HAVE_IDE
> select PCI
> help
> Support for Intel's IXP23xx (XScale) family of processors.
> @@ -325,12 +341,14 @@ config ARCH_IXP4XX
> select GENERIC_GPIO
> select GENERIC_TIME
> select GENERIC_CLOCKEVENTS
> + select HAVE_IDE
> help
> Support for Intel's IXP4XX (XScale) family of processors.
>
> config ARCH_L7200
> bool "LinkUp-L7200"
> select FIQ
> + select HAVE_IDE
> help
> Say Y here if you intend to run this kernel on a LinkUp Systems
> L7200 Software Development Board which uses an ARM720T processor.
> @@ -385,6 +403,7 @@ config ARCH_PXA
> depends on MMU
> select ARCH_MTD_XIP
> select GENERIC_GPIO
> + select HAVE_IDE
> select HAVE_GPIO_LIB
> select GENERIC_TIME
> select GENERIC_CLOCKEVENTS
> @@ -400,6 +419,7 @@ config ARCH_RPC
> select ARCH_MAY_HAVE_PC_FDC
> select ISA_DMA_API
> select NO_IOPORT
> + select HAVE_IDE
> help
> On the Acorn Risc-PC, Linux can support the internal IDE disk and
> CD-ROM interface, serial and parallel port, and the floppy drive.
> @@ -411,12 +431,14 @@ config ARCH_SA1100
> select ARCH_MTD_XIP
> select GENERIC_GPIO
> select GENERIC_TIME
> + select HAVE_IDE
> help
> Support for StrongARM 11x0 based boards.
>
> config ARCH_S3C2410
> bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
> select GENERIC_GPIO
> + select HAVE_IDE
> help
> Samsung S3C2410X CPU based systems, such as the Simtec Electronics
> BAST (<http://www.simtec.co.uk/products/EB110ITX/>), the IPAQ 1940 or
> @@ -424,6 +446,7 @@ config ARCH_S3C2410
>
> config ARCH_SHARK
> bool "Shark"
> + select HAVE_IDE
> select ISA
> select ISA_DMA
> select PCI
> @@ -433,6 +456,7 @@ config ARCH_SHARK
>
> config ARCH_LH7A40X
> bool "Sharp LH7A40X"
> + select HAVE_IDE
> help
> Say Y here for systems based on one of the Sharp LH7A40X
> System on a Chip processors. These CPUs include an ARM922T
> @@ -1076,9 +1100,7 @@ source "drivers/base/Kconfig"
>
> source "drivers/connector/Kconfig"
>
> -if ALIGNMENT_TRAP || !CPU_CP15_MMU
> source "drivers/mtd/Kconfig"
> -endif
>
> source "drivers/parport/Kconfig"
>
> @@ -1090,12 +1112,7 @@ source "drivers/block/Kconfig"
>
> source "drivers/misc/Kconfig"
>
> -if PCMCIA || ARCH_CLPS7500 || ARCH_IOP32X || ARCH_IOP33X || ARCH_IXP4XX \
> - || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
> - || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE \
> - || ARCH_IXP23XX
> source "drivers/ide/Kconfig"
> -endif
>
> source "drivers/scsi/Kconfig"
>
> diff --git a/arch/avr32/Kconfig b/arch/avr32/Kconfig
> index 28e0caf..1be1893 100644
> --- a/arch/avr32/Kconfig
> +++ b/arch/avr32/Kconfig
> @@ -10,6 +10,8 @@ config AVR32
> # With EMBEDDED=n, we get lots of stuff automatically selected
> # that we usually don't need on AVR32.
> select EMBEDDED
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> select HAVE_KPROBES
> help
> diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
> index ba21e33..2c989e3 100644
> --- a/arch/blackfin/Kconfig
> +++ b/arch/blackfin/Kconfig
> @@ -24,6 +24,8 @@ config RWSEM_XCHGADD_ALGORITHM
> config BLACKFIN
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
>
> config ZONE_DMA
> diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
> index 27b082a..13c40a1 100644
> --- a/arch/cris/Kconfig
> +++ b/arch/cris/Kconfig
> @@ -54,6 +54,8 @@ config NO_IOPORT
> config CRIS
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
>
> source "init/Kconfig"
>
> diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
> index 96f7d70..08f4332 100644
> --- a/arch/frv/Kconfig
> +++ b/arch/frv/Kconfig
> @@ -5,6 +5,8 @@
> config FRV
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
>
> config ZONE_DMA
> bool
> diff --git a/arch/h8300/Kconfig b/arch/h8300/Kconfig
> index dc61222..5f12412 100644
> --- a/arch/h8300/Kconfig
> +++ b/arch/h8300/Kconfig
> @@ -8,6 +8,8 @@ mainmenu "uClinux/h8300 (w/o MMU) Kernel Configuration"
> config H8300
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
>
> config MMU
> bool
> diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
> index b0de113..765c17a 100644
> --- a/arch/ia64/Kconfig
> +++ b/arch/ia64/Kconfig
> @@ -15,6 +15,8 @@ config IA64
> select ACPI if (!IA64_HP_SIM)
> select PM if (!IA64_HP_SIM)
> select ARCH_SUPPORTS_MSI
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> select HAVE_KPROBES
> default y
> diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
> index 795180b..4615ead 100644
> --- a/arch/m32r/Kconfig
> +++ b/arch/m32r/Kconfig
> @@ -8,6 +8,8 @@ mainmenu "Linux/M32R Kernel Configuration"
> config M32R
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
>
> config SBUS
> diff --git a/arch/m68k/Kconfig b/arch/m68k/Kconfig
> index ffabd01..182c798 100644
> --- a/arch/m68k/Kconfig
> +++ b/arch/m68k/Kconfig
> @@ -5,6 +5,8 @@
> config M68K
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
>
> config MMU
> bool
> diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
> index 6abbbb8..8008f4d 100644
> --- a/arch/m68knommu/Kconfig
> +++ b/arch/m68knommu/Kconfig
> @@ -8,6 +8,8 @@ mainmenu "uClinux/68k (w/o MMU) Kernel Configuration"
> config M68K
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
>
> config MMU
> bool
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index ec78a57..13d36c8 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -1,6 +1,8 @@
> config MIPS
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> # Horrible source of confusion. Die, die, die ...
> select EMBEDDED
> diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
> index 028d8a0..8511f43 100644
> --- a/arch/parisc/Kconfig
> +++ b/arch/parisc/Kconfig
> @@ -7,6 +7,8 @@ mainmenu "Linux/PA-RISC Kernel Configuration"
>
> config PARISC
> def_bool y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> help
> The PA-RISC microprocessor is designed by Hewlett-Packard and used
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 8dcac0b..8038ab7 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -87,6 +87,8 @@ config ARCH_NO_VIRT_TO_BUS
> config PPC
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> select HAVE_KPROBES
>
> diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
> index 531156f..11ea57e 100644
> --- a/arch/ppc/Kconfig
> +++ b/arch/ppc/Kconfig
> @@ -42,6 +42,8 @@ config GENERIC_CALIBRATE_DELAY
> config PPC
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> select HAVE_KPROBES
>
> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
> index 1c3a908..29890ac 100644
> --- a/arch/sh/Kconfig
> +++ b/arch/sh/Kconfig
> @@ -8,6 +8,8 @@ mainmenu "Linux/SuperH Kernel Configuration"
> config SUPERH
> def_bool y
> select EMBEDDED
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> help
> The SuperH is a RISC processor targeted for use in embedded systems
> diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
> index 99f8971..e51bbdd 100644
> --- a/arch/sparc/Kconfig
> +++ b/arch/sparc/Kconfig
> @@ -62,6 +62,8 @@ config NR_CPUS
> config SPARC
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
>
> # Identify this as a Sparc32 build
> diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
> index a8c6366..9d60b26 100644
> --- a/arch/sparc64/Kconfig
> +++ b/arch/sparc64/Kconfig
> @@ -14,6 +14,8 @@ config SPARC
> config SPARC64
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> help
> SPARC is a family of RISC microprocessors designed and marketed by
> Sun Microsystems, incorporated. This port covers the newer 64-bit
> diff --git a/arch/v850/Kconfig b/arch/v850/Kconfig
> index ace479a..9317fd1 100644
> --- a/arch/v850/Kconfig
> +++ b/arch/v850/Kconfig
> @@ -75,6 +75,8 @@ config MCA
> config V850
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
>
> menu "Processor type and features"
>
> diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
> index c95482b..cc20002 100644
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> @@ -18,6 +18,8 @@ config X86_64
> ### Arch settings
> config X86
> def_bool y
> + select HAVE_IDE
> + select HAVE_MTD
> select HAVE_OPROFILE
> select HAVE_KPROBES
>
> diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
> index 5d5546c..e438ab2 100644
> --- a/arch/xtensa/Kconfig
> +++ b/arch/xtensa/Kconfig
> @@ -14,6 +14,8 @@ config ZONE_DMA
> config XTENSA
> bool
> default y
> + select HAVE_IDE
> + select HAVE_MTD
> help
> Xtensa processors are 32-bit RISC machines designed by Tensilica
> primarily for embedded systems. These processors are both
> diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
> index ab8fb25..043c34a 100644
> --- a/drivers/ide/Kconfig
> +++ b/drivers/ide/Kconfig
> @@ -4,10 +4,14 @@
> # Andre Hedrick <andre@...ux-ide.org>
> #
>
> +# Select HAVE_IDE if IDE is supported
> +config HAVE_IDE
> + def_bool n
> +
> menuconfig IDE
> tristate "ATA/ATAPI/MFM/RLL support"
> + depends on HAVE_IDE
> depends on BLOCK
> - depends on HAS_IOMEM
> ---help---
> If you say Y here, your kernel will be able to manage low cost mass
> storage units such as ATA/(E)IDE and ATAPI units. The most common
> diff --git a/drivers/mtd/Kconfig b/drivers/mtd/Kconfig
> index e850334..9365d8b 100644
> --- a/drivers/mtd/Kconfig
> +++ b/drivers/mtd/Kconfig
> @@ -1,8 +1,11 @@
> # $Id: Kconfig,v 1.11 2005/11/07 11:14:19 gleixner Exp $
>
> +# select if MTD is supported
> +config HAVE_MTD
> + def_bool n
> +
> 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
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