Re: [PATCH v1 3/3] KEYS: trusted: Introduce support for NXP CAAM-based trusted keys

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Hello Richard,

On 17.03.21 00:14, Richard Weinberger wrote:
> Ahmad,
> 
> On Tue, Mar 16, 2021 at 6:24 PM Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> wrote:
>> +#include <keys/trusted_caam.h>
>> +#include <keys/trusted-type.h>
>> +#include <linux/build_bug.h>
>> +#include <linux/key-type.h>
>> +#include <soc/fsl/caam-blob.h>
>> +
>> +struct caam_blob_priv *blobifier;
> 
> Who is using this pointer too?
> Otherwise I'd suggest marking it static.

You're right. Will do in v2.

>>  module_param_named(source, trusted_key_source, charp, 0);
>> -MODULE_PARM_DESC(source, "Select trusted keys source (tpm or tee)");
>> +MODULE_PARM_DESC(source, "Select trusted keys source (tpm, tee or caam)");
> 
> I didn't closely follow the previous discussions, but is a module
> parameter really the right approach?
> Is there also a way to set it via something like device tree?

Compiled-on sources are considered in the order: tpm, tee then caam.
Module parameters are the only override currently available.

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