Re: [PATCH v2] crypto: caam: save caam memory to support crypto engine retry mechanism.
From: Horia Geantă
Date: Tue Nov 23 2021 - 12:10:48 EST
On 11/22/2021 1:33 PM, Gaurav Jain wrote:
> When caam queue is full (-ENOSPC), caam frees descriptor memory.
> crypto-engine checks if retry support is true and h/w queue
> is full(-ENOSPC), then requeue the crypto request.
> During processing the requested descriptor again, caam gives below error.
> (caam_jr 30902000.jr: 40000006: DECO: desc idx 0: Invalid KEY Command).
> This patch adds a check to return when caam input ring is full
> and retry support is true. so descriptor memory is not freed
> and requeued request can be processed again.
> Fixes: 2d653936eb2cf ("crypto: caam - enable crypto-engine retry mechanism")
> Signed-off-by: Gaurav Jain <gaurav.jain@xxxxxxx>
> Reviewed-by: Horia Geantă <horia.geanta@xxxxxxx>
Again, please don't copy R-b tags from internal reviews.
I am fine with the patch.