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SubjectRe: [PATCH 2/3] hwrng: cctrng - change default to n
On Mon, 27 Apr 2020 at 07:42, Hadar Gat <hadar.gat@arm.com> wrote:
>
> For many users, the Arm CryptoCell HW is not available, so the
> default for HW_RANDOM_CCTRNG changed to n.
>
> Signed-off-by: Hadar Gat <hadar.gat@arm.com>
> ---
> drivers/char/hw_random/Kconfig | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
> index df2d001..0938d3d 100644
> --- a/drivers/char/hw_random/Kconfig
> +++ b/drivers/char/hw_random/Kconfig
> @@ -476,8 +476,8 @@ config HW_RANDOM_KEYSTONE
>
> config HW_RANDOM_CCTRNG
> tristate "Arm CryptoCell True Random Number Generator support"
> - depends on HAS_IOMEM & OF
> - default HW_RANDOM
> + depends on HW_RANDOM & HAS_IOMEM & OF

The whole block is guarded by if HW_RANDOM, so I don't think you need
the dependency here.

> + default n

'default n' is the default so you can just remove the line

> help
> This driver provides support for the True Random Number
> Generator available in Arm TrustZone CryptoCell.
> --
> 2.7.4
>

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