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hwrng: Fix a few driver dependencies and defaults

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HW_RANDOM_ATMEL should not only default to ARCH_AT91, it should depend
on it. This driver is useless on other architectures.

Likewise, HW_RANDOM_EXYNOS should depend on ARCH_EXYNOS, as it it
useless on other architectures.

Also set the default to HW_RANDOM for the few architecture-specific
drivers which didn't have it yet, for consistency.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: Matt Mackall <mpm@selenic.com>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Jean Delvare 2014-04-08 14:36:37 +02:00 committed by Herbert Xu
parent 0200161834
commit 2d9cab5194
1 changed files with 9 additions and 3 deletions
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12
drivers/char/hw_random/Kconfig
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@ -64,8 +64,8 @@ config HW_RANDOM_AMD
config HW_RANDOM_ATMEL
tristate "Atmel Random Number Generator support"
depends on HAVE_CLK
default (HW_RANDOM && ARCH_AT91)
depends on ARCH_AT91 && HAVE_CLK
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Atmel AT91 devices.
@ -232,6 +232,7 @@ config HW_RANDOM_TX4939
config HW_RANDOM_MXC_RNGA
tristate "Freescale i.MX RNGA Random Number Generator"
depends on ARCH_HAS_RNGA
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Freescale i.MX processors.
@ -244,6 +245,7 @@ config HW_RANDOM_MXC_RNGA
config HW_RANDOM_NOMADIK
tristate "ST-Ericsson Nomadik Random Number Generator support"
depends on ARCH_NOMADIK
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on ST-Ericsson SoCs (8815 and 8500).
@ -256,6 +258,7 @@ config HW_RANDOM_NOMADIK
config HW_RANDOM_PICOXCELL
tristate "Picochip picoXcell true random number generator support"
depends on ARCH_PICOXCELL && PICOXCELL_PC3X3
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Picochip PC3x3 and later devices.
@ -268,6 +271,7 @@ config HW_RANDOM_PICOXCELL
config HW_RANDOM_PPC4XX
tristate "PowerPC 4xx generic true random number generator support"
depends on PPC && 4xx
default HW_RANDOM
---help---
This driver provides the kernel-side support for the TRNG hardware
found in the security function of some PowerPC 4xx SoCs.
@ -305,7 +309,8 @@ config HW_RANDOM_POWERNV
config HW_RANDOM_EXYNOS
tristate "EXYNOS HW random number generator support"
depends on HAS_IOMEM && HAVE_CLK
depends on ARCH_EXYNOS
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on EXYNOS SOCs.
@ -331,6 +336,7 @@ config HW_RANDOM_TPM
config HW_RANDOM_MSM
tristate "Qualcomm MSM Random Number Generator support"
depends on ARCH_MSM
default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Qualcomm MSM SoCs.