Re: [PATCH] crypto: ccree: limit build to plausible archs

From: Geert Uytterhoeven
Date: Mon Apr 23 2018 - 13:53:54 EST


Hi Gilad,

On Mon, Apr 23, 2018 at 3:22 PM, Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote:
> On Mon, Apr 23, 2018 at 3:13 PM, Geert Uytterhoeven
> <geert@xxxxxxxxxxxxxx> wrote:
>> On Mon, Apr 23, 2018 at 1:48 PM, Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote:
>>> Limit option to compile ccree to plausible architectures.
>>
>> Thanks for your patch!
>>
>>> Suggested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
>>> Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
>>> ---
>>> drivers/crypto/Kconfig | 1 +
>>> 1 file changed, 1 insertion(+)
>>>
>>> diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig
>>> index d1ea1a0..7302785 100644
>>> --- a/drivers/crypto/Kconfig
>>> +++ b/drivers/crypto/Kconfig
>>> @@ -726,6 +726,7 @@ config CRYPTO_DEV_ARTPEC6
>>> config CRYPTO_DEV_CCREE
>>> tristate "Support for ARM TrustZone CryptoCell family of security processors"
>>> depends on CRYPTO && CRYPTO_HW && OF && HAS_DMA
>>> + depends on (XTENSA || X86 || UNICORE32 || SUPERH || RISCV || PPC32 || OPENRISC || NIOS2 || NDS32 || MIPS || MICROBLAZE || HEXAGON || H8300 || ARM || ARM64 || ARC || COMPILE_TEST)
>>
>> That list looks a bit excessive to me...
>
> I'm sorry, but as an Arm employee I'm not in liberty to identify which
> customer licensed or might license CryptoCell for which platform, now
> or in the future.
>
> I'm sure you understand.

IC, a clever marketing scheme to make everyone think that everybody else
is already a licensee ;-)

What about using "depends on <list> || COMPILE_TEST", with <list> the
platforms for which the DTS (incl. "arm,cryptocell-*") will be submitted
for v4.18? The list can easily be extended when needed.

Thanks!

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds