linux-kernel - Re: [PATCH v2 2/7] hwrng: Kconfig: Fix device node name reference /dev/hw

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Date:	Fri, 18 Sep 2015 11:19:38 +0100
From:	Kieran Bingham <kieranbingham@...il.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	Herbert Xu <herbert@...dor.apana.org.au>,
	linux-crypto@...r.kernel.org, peter@...sgaard.com,
	festevam@...il.com, kernel@...inux.com
Subject: Re: [PATCH v2 2/7] hwrng: Kconfig: Fix device node name reference
 /dev/hw_random => /dev/hwrng

On 17 September 2015 at 14:45, Lee Jones <lee.jones@...aro.org> wrote:
> In April 2009, commit d405640 ("Driver Core: misc: add node name support
> for misc devices.") inadvertently changed the device node name from
> /dev/hw_random to /dev/hwrng.  Since 6 years has passed since the change
> it seems unpractical to change it back, as this node name is probably
> considered ABI by now.  So instead, we'll just change the Kconfig help
> to match the current situation.
>
> NB: It looks like rng-tools have already been updated.
>
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
Acked-by: Kieran Bingham <kieranbingham@...il.com>

> ---
>  drivers/char/hw_random/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
> index f48cf11..8998108 100644
> --- a/drivers/char/hw_random/Kconfig
> +++ b/drivers/char/hw_random/Kconfig
> @@ -10,7 +10,7 @@ menuconfig HW_RANDOM
>
>           To compile this driver as a module, choose M here: the
>           module will be called rng-core.  This provides a device
> -         that's usually called /dev/hw_random, and which exposes one
> +         that's usually called /dev/hwrng, and which exposes one
>           of possibly several hardware random number generators.
>
>           These hardware random number generators do not feed directly
> --
> 1.9.1
>
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