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Subject[PATCH 3/3] hw_random: Fix a few driver dependencies and defaults
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: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Kukjin Kim <kgene.kim@samsung.com>
---
Note: untested, as I don't have any of the hardware in question.

drivers/char/hw_random/Kconfig | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

--- linux-3.15-rc0.orig/drivers/char/hw_random/Kconfig 2014-04-08 13:21:15.503752935 +0200
+++ linux-3.15-rc0/drivers/char/hw_random/Kconfig 2014-04-08 13:43:43.440081827 +0200
@@ -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 SoCs Random Number Generator support"
depends on ARCH_QCOM
+ default HW_RANDOM
---help---
This driver provides kernel-side support for the Random Number
Generator hardware found on Qualcomm SoCs.
--
Jean Delvare
SUSE L3 Support


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