linux-kernel - [PATCH RFC 04/10] crypto: sun8i-ce: introduce the slot number

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Date:   Tue, 14 Jan 2020 14:59:30 +0100
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     alexandre.torgue@...com, davem@...emloft.net,
        herbert@...dor.apana.org.au, mcoquelin.stm32@...il.com,
        mripard@...nel.org, wens@...e.org, iuliana.prodan@....com,
        horia.geanta@....com, aymen.sghaier@....com
Cc:     linux-arm-kernel@...ts.infradead.org, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-sunxi@...glegroups.com,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH RFC 04/10] crypto: sun8i-ce: introduce the slot number

This patch adds the slot position, for choosing which task in the task
list should be prepared/unprepared.
The slot is for the moment is always 0 until the infrastructure will handle
non 0 value.

Signed-off-by: Corentin Labbe <clabbe.montjoie@...il.com>
---
 drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c | 6 ++++--
 drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c   | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
index 401f39f144ea..9c1f6c9eaaf9 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-cipher.c
@@ -96,6 +96,7 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req
 	int flow, i;
 	int nr_sgs = 0;
 	int nr_sgd = 0;
+	int slot = 0;
 	int err = 0;
 
 	algt = container_of(alg, struct sun8i_ce_alg_template, alg.skcipher);
@@ -114,7 +115,7 @@ static int sun8i_ce_cipher_prepare(struct crypto_engine *engine, void *async_req
 
 	chan = &ce->chanlist[flow];
 
-	cet = chan->tl;
+	cet = &chan->tl[slot];
 	memset(cet, 0, sizeof(struct ce_task));
 
 	cet->t_id = cpu_to_le32(flow);
@@ -301,11 +302,12 @@ static int sun8i_ce_cipher_unprepare(struct crypto_engine *engine, void *async_r
 	unsigned int ivsize, offset;
 	int nr_sgs = rctx->nr_sgs;
 	int nr_sgd = rctx->nr_sgd;
+	int slot = 0;
 	int flow;
 
 	flow = rctx->flow;
 	chan = &ce->chanlist[flow];
-	cet = chan->tl;
+	cet = &chan->tl[slot];
 	ivsize = crypto_skcipher_ivsize(tfm);
 
 	if (areq->src == areq->dst) {
diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
index e8bf7bf31061..bd355f4b95f3 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
@@ -120,7 +120,7 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
 	/* Be sure all data is written before enabling the task */
 	wmb();
 
-	v = 1 | (ce->chanlist[flow].tl->t_common_ctl & 0x7F) << 8;
+	v = 1 | (ce->chanlist[flow].tl[0].t_common_ctl & 0x7F) << 8;
 	writel(v, ce->base + CE_TLR);
 	mutex_unlock(&ce->mlock);
 
-- 
2.24.1