Re: [PATCH v4 4/4] hwrng: add OP-TEE based rng driver

[Greg KH]

On Mon, Jan 21, 2019 at 02:59:19PM +0530, Sumit Garg wrote:
> --- /dev/null
> +++ b/drivers/char/hw_random/optee-rng.c
> @@ -0,0 +1,272 @@
> +// SPDX-License-Identifier: GPL-2.0

Nice, but:

<snip>

> +MODULE_LICENSE("GPL");

This string means "GPL2+", you need "GPLv2" here instead.

Yeah, it's a pain, and everyone gets it wrong, we need to add a
checkpatch.pl rule for this to keep it from being added in new code.

thanks,

greg k-h