linux-kernel - Re: [PATCH v4 3/3] crypto: s5p: add AES support for Exynos5433

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Message-ID: <873d345a-4893-412d-78d7-58c3e8cd61c2@roeck-us.net>
Date:   Wed, 6 Mar 2019 09:31:58 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Krzysztof Kozlowski <krzk@...nel.org>
Cc:     Kamil Konieczny <k.konieczny@...tner.samsung.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org,
        "linux-samsung-soc@...r.kernel.org" 
        <linux-samsung-soc@...r.kernel.org>, linux-kernel@...r.kernel.org,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v4 3/3] crypto: s5p: add AES support for Exynos5433

On 3/5/19 11:51 AM, Krzysztof Kozlowski wrote:
> On Tue, 5 Mar 2019 at 18:13, Guenter Roeck <linux@...ck-us.net> wrote:
>>
>> On Fri, Feb 22, 2019 at 01:21:44PM +0100, Kamil Konieczny wrote:
>>> Add AES crypto HW acceleration for Exynos5433, with the help of SlimSSS IP.
>>>
>>> Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
>>> Signed-off-by: Kamil Konieczny <k.konieczny@...tner.samsung.com>
>>> ---
>>>   drivers/crypto/s5p-sss.c | 50 ++++++++++++++++++++++++++++++++++++----
>>>   1 file changed, 46 insertions(+), 4 deletions(-)
>>>
>>> diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c
>>> index 0064be0e3941..3f45cc5cb94a 100644
>>> --- a/drivers/crypto/s5p-sss.c
>>> +++ b/drivers/crypto/s5p-sss.c
>>> @@ -232,6 +232,7 @@
>>>    * struct samsung_aes_variant - platform specific SSS driver data
>>>    * @aes_offset: AES register offset from SSS module's base.
>>>    * @hash_offset: HASH register offset from SSS module's base.
>>> + * @clk_names: names of clocks needed to run SSS IP
>>>    *
>>>    * Specifies platform specific configuration of SSS module.
>>>    * Note: A structure for driver specific platform data is used for future
>>> @@ -240,6 +241,7 @@
>>>   struct samsung_aes_variant {
>>>        unsigned int                    aes_offset;
>>>        unsigned int                    hash_offset;
>>> +     const char                      *clk_names[];
>>
>> This array does not have a fixed size.
> 
> Yes, correct. Kamil already sent a fix:
> https://patchwork.kernel.org/patch/10835389/
> 

Excellent. Note that the offending patch is now in mainline.

Guenter