[PATCH v4 2/2] m68k: coldfire: Add RNG support for MCF54418

[Greg Ungerer]

Hi JM,

On 10/10/26 18:51, Herbert Xu wrote:
> On Wed, Aug 19, 2026 at 07:36:36AM +1000, Greg Ungerer wrote:
>> Hi JM,
>>
>> On 19/8/26 01:09, Jean-Michel Hautbois wrote:
>>> Hi Greg,
>>>
>>> Sorry for the very long silence on this one, it fell off my radar...
>>>
>>> Le 03/12/2025 à 13:15, Greg Ungerer a écrit :
>>>> Hi Jean-Michel,
>>>>
>>>> On 26/11/25 17:08, Jean-Michel Hautbois via B4 Relay wrote:
>>>>> From: Jean-Michel Hautbois <jeanmichel.hautbois at yoseli.org>
>>>>>
>>>>> Add support for the hardware Random Number Generator (RNGB) found on
>>>>> MCF54418 ColdFire processors with clock enabled at platform
>>>>> initialization.
>>>>>
>>>>> The RNGB block is compatible with the imx-rngc driver.
>>>>>
>>>>> Reviewed-by: Frank Li <Frank.Li at nxp.com>
>>>>> Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois at yoseli.org>
>>>>> ---
>>>>>   arch/m68k/coldfire/device.c       | 28 ++++++++++++++++++++++++++++
>>>>>   arch/m68k/coldfire/m5441x.c       |  2 +-
>>>>>   arch/m68k/include/asm/m5441xsim.h |  9 +++++++++
>>>>>   drivers/char/hw_random/Kconfig    |  3 ++-
>>>>>   drivers/char/hw_random/imx-rngc.c |  7 +++++++
>>>>>   5 files changed, 47 insertions(+), 2 deletions(-)
>>>>
>>>> I am happy with the ColdFire arch parts, so from me:
>>>>
>>>>      Acked-by: Greg Ungerer <gerg at linux-m68k.org>
>>>>
>>>> I don't mind taking this commit via the m68knommu git tree if the hw_rng
>>>> maintainers are ok with that. Otherwise if you break out the arch/m68k
>>>> parts I can apply those on their own.
>>>
>>> I think Herbert acked ?
>>> Do you need another ack ?
>>
>> I would like to see an acknowledgement that taking this patch via the
>> m68knommu git tree (to Linus) is ok with the RNG maintainers.
> 
> I have no objections to this.

Thanks Herbert.

JM: I have applied this to the for-next branch of the m68knommu git tree.
I didn't quite go on cleanly, so please double check it for me.

Regards
Greg