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SubjectRe: [PATCH 3/3] arm64: dts: renesas: r8a7795: add ccree binding
Hi Gilad,

On Thu, May 17, 2018 at 3:09 PM, Gilad Ben-Yossef <> wrote:
> On Thu, May 17, 2018 at 1:16 PM, Geert Uytterhoeven
> <> wrote:
>> However, even with your clock patch, the signature checking fails for me,
>> on both R-Car H3 ES1.0 and ES2.0.
>> Does this need changes to the ARM Trusted Firmware, to allow Linux to
>> access the public SCEG module?
> Well, this is actually something different. If you look you will
> notice that my patch was part of a 3 part patch series,
> the first of which disabled this test.

Sorry, I had completely forgotten about the first patch from the series.
With that applied, it continues:

ccree e6601000.crypto: ARM CryptoCell 630P Driver: HW version
0x00000000, Driver version 4.0
ccree e6601000.crypto: Cache params previous: 0x00000777
ccree e6601000.crypto: Cache params current: 0x00000000
(expect: 0x00000000)
alg: No test for cts1(cbc(aes)) (cts1-cbc-aes-ccree)
alg: No test for authenc(xcbc(aes),cbc(aes))
alg: No test for authenc(xcbc(aes),rfc3686(ctr(aes)))
ccree e6601000.crypto: ARM ccree device initialized

Is HW version 0x00000000 expected?

> If you take all the 3 patches, it will work.

is there an easy way to test proper operation?
I enabled CONFIG_CRYPT_TEST, and did insmod tcrypt.ko, but I mostly see
"Failed to load transform" messages.




Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

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

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