linux-kernel - Re: [PATCH RESEND -next] tee: amdtee: amdtee depends on CRYPTO_DEV_CCP

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Date:   Wed, 22 Jan 2020 10:34:22 +0100
From:   Jens Wiklander <jens.wiklander@...aro.org>
To:     Hongbo Yao <yaohongbo@...wei.com>
Cc:     "Thomas, Rijo-john" <Rijo-john.Thomas@....com>,
        chenzhou10@...wei.com,
        "tee-dev @ lists . linaro . org" <tee-dev@...ts.linaro.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "Rangasamy, Devaraj" <Devaraj.Rangasamy@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@...r.kernel.org>
Subject: Re: [PATCH RESEND -next] tee: amdtee: amdtee depends on CRYPTO_DEV_CCP_DD

On Wed, Jan 22, 2020 at 10:17 AM Hongbo Yao <yaohongbo@...wei.com> wrote:
>
> If CRYPTO_DEV_CCP_DD=m and AMDTEE=y, the following error is seen
> while building call.c or core.c
>
> drivers/tee/amdtee/call.o: In function `handle_unload_ta':
> call.c:(.text+0x35f): undefined reference to `psp_tee_process_cmd'
> drivers/tee/amdtee/core.o: In function `amdtee_driver_init':
> core.c:(.init.text+0xf): undefined reference to `psp_check_tee_status
>
> Fix the config dependency for AMDTEE here.
>
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Fixes: 757cc3e9ff ("tee: add AMD-TEE driver")
> Signed-off-by: Hongbo Yao <yaohongbo@...wei.com>
> Reviewed-by: Rijo Thomas <Rijo-john.Thomas@....com>
> ---
>  drivers/tee/amdtee/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Acked-by: Jens Wiklander <jens.wiklander@...aro.org>

Thanks,
Jens

>
> diff --git a/drivers/tee/amdtee/Kconfig b/drivers/tee/amdtee/Kconfig
> index 4e32b6413b41..191f9715fa9a 100644
> --- a/drivers/tee/amdtee/Kconfig
> +++ b/drivers/tee/amdtee/Kconfig
> @@ -3,6 +3,6 @@
>  config AMDTEE
>         tristate "AMD-TEE"
>         default m
> -       depends on CRYPTO_DEV_SP_PSP
> +       depends on CRYPTO_DEV_SP_PSP && CRYPTO_DEV_CCP_DD
>         help
>           This implements AMD's Trusted Execution Environment (TEE) driver.
> --
> 2.20.1
>