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Date:   Mon, 21 Jan 2019 11:30:26 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Sumit Garg <sumit.garg@linaro.org>
Cc:     jens.wiklander@linaro.org, herbert@gondor.apana.org.au,
        linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org,
        linux-kernel@vger.kernel.org, mpm@selenic.com, robh+dt@kernel.org,
        mark.rutland@arm.com, arnd@arndb.de, daniel.thompson@linaro.org,
        ard.biesheuvel@linaro.org, bhsharma@redhat.com,
        tee-dev@lists.linaro.org
Subject: Re: [PATCH v4 4/4] hwrng: add OP-TEE based rng driver
Message-ID: <20190121103026.GB15590@kroah.com>
References: <1548062959-31860-1-git-send-email-sumit.garg@linaro.org>
 <1548062959-31860-5-git-send-email-sumit.garg@linaro.org>
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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