[PATCH v4 mvebu 3/4] firmware: turris-mox-rwtm: fail probing when firmware does not support hwrng

[Andrew Lunn]

On Thu, May 20, 2021 at 01:35:19PM +0200, Pali Rohár wrote:
> When Marvell's rWTM firmware, which does not support the GET_RANDOM
> command, is used, kernel prints an error message
>   hwrng: no data available
> every 10 seconds.
> 
> Fail probing of this driver if the rWTM firmware does not support the
> GET_RANDOM command.
> 
> Signed-off-by: Pali Rohár <pali at kernel.org>
> Signed-off-by: Marek Behún <kabel at kernel.org>
> Fixes: 389711b37493 ("firmware: Add Turris Mox rWTM firmware driver")

Reviewed-by: Andrew Lunn <andrew at lunn.ch>

    Andrew