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Subject[PATCH 2/3] hw_random: Turn HW_RANDOM into a menuconfig
This makes configuration more convenient IMHO, and avoids having to
repeat the dependency on HW_RANDOM for every single driver.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
---
drivers/char/hw_random/Kconfig | 56 +++++++++++++++++++++--------------------
1 file changed, 30 insertions(+), 26 deletions(-)

--- linux-3.15-rc0.orig/drivers/char/hw_random/Kconfig 2014-04-08 13:12:50.845233756 +0200
+++ linux-3.15-rc0/drivers/char/hw_random/Kconfig 2014-04-08 13:21:15.503752935 +0200
@@ -2,7 +2,7 @@
# Hardware Random Number Generator (RNG) configuration
#

-config HW_RANDOM
+menuconfig HW_RANDOM
tristate "Hardware Random Number Generator Core support"
default m
---help---
@@ -20,9 +20,11 @@ config HW_RANDOM

If unsure, say Y.

+if HW_RANDOM
+
config HW_RANDOM_TIMERIOMEM
tristate "Timer IOMEM HW Random Number Generator support"
- depends on HW_RANDOM && HAS_IOMEM
+ depends on HAS_IOMEM
---help---
This driver provides kernel-side support for a generic Random
Number Generator used by reading a 'dumb' iomem address that
@@ -36,7 +38,7 @@ config HW_RANDOM_TIMERIOMEM

config HW_RANDOM_INTEL
tristate "Intel HW Random Number Generator support"
- depends on HW_RANDOM && (X86 || IA64) && PCI
+ depends on (X86 || IA64) && PCI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -49,7 +51,7 @@ config HW_RANDOM_INTEL

config HW_RANDOM_AMD
tristate "AMD HW Random Number Generator support"
- depends on HW_RANDOM && (X86 || PPC_MAPLE) && PCI
+ depends on (X86 || PPC_MAPLE) && PCI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -62,7 +64,7 @@ config HW_RANDOM_AMD

config HW_RANDOM_ATMEL
tristate "Atmel Random Number Generator support"
- depends on HW_RANDOM && HAVE_CLK
+ depends on HAVE_CLK
default (HW_RANDOM && ARCH_AT91)
---help---
This driver provides kernel-side support for the Random Number
@@ -75,7 +77,7 @@ config HW_RANDOM_ATMEL

config HW_RANDOM_BCM63XX
tristate "Broadcom BCM63xx Random Number Generator support"
- depends on HW_RANDOM && BCM63XX
+ depends on BCM63XX
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -88,7 +90,7 @@ config HW_RANDOM_BCM63XX

config HW_RANDOM_BCM2835
tristate "Broadcom BCM2835 Random Number Generator support"
- depends on HW_RANDOM && ARCH_BCM2835
+ depends on ARCH_BCM2835
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -101,7 +103,7 @@ config HW_RANDOM_BCM2835

config HW_RANDOM_GEODE
tristate "AMD Geode HW Random Number Generator support"
- depends on HW_RANDOM && X86_32 && PCI
+ depends on X86_32 && PCI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -114,7 +116,7 @@ config HW_RANDOM_GEODE

config HW_RANDOM_N2RNG
tristate "Niagara2 Random Number Generator support"
- depends on HW_RANDOM && SPARC64
+ depends on SPARC64
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -127,7 +129,7 @@ config HW_RANDOM_N2RNG

config HW_RANDOM_VIA
tristate "VIA HW Random Number Generator support"
- depends on HW_RANDOM && X86
+ depends on X86
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -140,7 +142,7 @@ config HW_RANDOM_VIA

config HW_RANDOM_IXP4XX
tristate "Intel IXP4xx NPU HW Pseudo-Random Number Generator support"
- depends on HW_RANDOM && ARCH_IXP4XX
+ depends on ARCH_IXP4XX
default HW_RANDOM
---help---
This driver provides kernel-side support for the Pseudo-Random
@@ -153,7 +155,7 @@ config HW_RANDOM_IXP4XX

config HW_RANDOM_OMAP
tristate "OMAP Random Number Generator support"
- depends on HW_RANDOM && (ARCH_OMAP16XX || ARCH_OMAP2PLUS)
+ depends on ARCH_OMAP16XX || ARCH_OMAP2PLUS
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -167,7 +169,7 @@ config HW_RANDOM_OMAP

config HW_RANDOM_OMAP3_ROM
tristate "OMAP3 ROM Random Number Generator support"
- depends on HW_RANDOM && ARCH_OMAP3
+ depends on ARCH_OMAP3
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -180,7 +182,7 @@ config HW_RANDOM_OMAP3_ROM

config HW_RANDOM_OCTEON
tristate "Octeon Random Number Generator support"
- depends on HW_RANDOM && CAVIUM_OCTEON_SOC
+ depends on CAVIUM_OCTEON_SOC
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -193,7 +195,7 @@ config HW_RANDOM_OCTEON

config HW_RANDOM_PASEMI
tristate "PA Semi HW Random Number Generator support"
- depends on HW_RANDOM && PPC_PASEMI
+ depends on PPC_PASEMI
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -206,7 +208,7 @@ config HW_RANDOM_PASEMI

config HW_RANDOM_VIRTIO
tristate "VirtIO Random Number Generator support"
- depends on HW_RANDOM && VIRTIO
+ depends on VIRTIO
---help---
This driver provides kernel-side support for the virtual Random Number
Generator hardware.
@@ -216,7 +218,7 @@ config HW_RANDOM_VIRTIO

config HW_RANDOM_TX4939
tristate "TX4939 Random Number Generator support"
- depends on HW_RANDOM && SOC_TX4939
+ depends on SOC_TX4939
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -229,7 +231,7 @@ config HW_RANDOM_TX4939

config HW_RANDOM_MXC_RNGA
tristate "Freescale i.MX RNGA Random Number Generator"
- depends on HW_RANDOM && ARCH_HAS_RNGA
+ depends on ARCH_HAS_RNGA
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Freescale i.MX processors.
@@ -241,7 +243,7 @@ config HW_RANDOM_MXC_RNGA

config HW_RANDOM_NOMADIK
tristate "ST-Ericsson Nomadik Random Number Generator support"
- depends on HW_RANDOM && ARCH_NOMADIK
+ depends on ARCH_NOMADIK
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on ST-Ericsson SoCs (8815 and 8500).
@@ -253,7 +255,7 @@ config HW_RANDOM_NOMADIK

config HW_RANDOM_PICOXCELL
tristate "Picochip picoXcell true random number generator support"
- depends on HW_RANDOM && ARCH_PICOXCELL && PICOXCELL_PC3X3
+ depends on ARCH_PICOXCELL && PICOXCELL_PC3X3
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Picochip PC3x3 and later devices.
@@ -265,7 +267,7 @@ config HW_RANDOM_PICOXCELL

config HW_RANDOM_PPC4XX
tristate "PowerPC 4xx generic true random number generator support"
- depends on HW_RANDOM && PPC && 4xx
+ depends on PPC && 4xx
---help---
This driver provides the kernel-side support for the TRNG hardware
found in the security function of some PowerPC 4xx SoCs.
@@ -277,7 +279,7 @@ config HW_RANDOM_PPC4XX

config HW_RANDOM_PSERIES
tristate "pSeries HW Random Number Generator support"
- depends on HW_RANDOM && PPC64 && IBMVIO
+ depends on PPC64 && IBMVIO
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -290,7 +292,7 @@ config HW_RANDOM_PSERIES

config HW_RANDOM_POWERNV
tristate "PowerNV Random Number Generator support"
- depends on HW_RANDOM && PPC_POWERNV
+ depends on PPC_POWERNV
default HW_RANDOM
---help---
This is the driver for Random Number Generator hardware found
@@ -303,7 +305,7 @@ config HW_RANDOM_POWERNV

config HW_RANDOM_EXYNOS
tristate "EXYNOS HW random number generator support"
- depends on HW_RANDOM && HAS_IOMEM && HAVE_CLK
+ depends on HAS_IOMEM && HAVE_CLK
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on EXYNOS SOCs.
@@ -315,7 +317,7 @@ config HW_RANDOM_EXYNOS

config HW_RANDOM_TPM
tristate "TPM HW Random Number Generator support"
- depends on HW_RANDOM && TCG_TPM
+ depends on TCG_TPM
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
@@ -328,7 +330,7 @@ config HW_RANDOM_TPM

config HW_RANDOM_MSM
tristate "Qualcomm SoCs Random Number Generator support"
- depends on HW_RANDOM && ARCH_QCOM
+ depends on ARCH_QCOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Qualcomm SoCs.
@@ -338,6 +340,8 @@ config HW_RANDOM_MSM

If unsure, say Y.

+endif # HW_RANDOM
+
config UML_RANDOM
depends on UML
tristate "Hardware random number generator"
--
Jean Delvare
SUSE L3 Support


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