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[90.63.244.31]) by smtp.googlemail.com with ESMTPSA id v11-20020adfe28b000000b0021d6ef34b2asm5230223wri.51.2022.07.06.02.04.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Jul 2022 02:04:55 -0700 (PDT) From: Corentin Labbe To: heiko@sntech.de, herbert@gondor.apana.org.au, krzysztof.kozlowski+dt@linaro.org, mturquette@baylibre.com, p.zabel@pengutronix.de, robh+dt@kernel.org, sboyd@kernel.org Cc: linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, john@metanate.com, didi.debian@cknow.org, Corentin Labbe Subject: [PATCH v8 22/33] crypto: rockchip: use a rk_crypto_info variable instead of lot of indirection Date: Wed, 6 Jul 2022 09:04:01 +0000 Message-Id: <20220706090412.806101-23-clabbe@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220706090412.806101-1-clabbe@baylibre.com> References: <20220706090412.806101-1-clabbe@baylibre.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Instead of using lot of ctx->dev->xx indirections, use an intermediate variable for rk_crypto_info. This will help later, when 2 different rk_crypto_info would be used. Reviewed-by: John Keeping Signed-off-by: Corentin Labbe --- drivers/crypto/rockchip/rk3288_crypto_ahash.c | 23 +++++++----- .../crypto/rockchip/rk3288_crypto_skcipher.c | 37 ++++++++++--------- 2 files changed, 32 insertions(+), 28 deletions(-) diff --git a/drivers/crypto/rockchip/rk3288_crypto_ahash.c b/drivers/crypto/rockchip/rk3288_crypto_ahash.c index fae779d73c84..636dbcde0ca3 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_ahash.c +++ b/drivers/crypto/rockchip/rk3288_crypto_ahash.c @@ -226,9 +226,10 @@ static int rk_hash_prepare(struct crypto_engine *engine, void *breq) struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq); struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); struct rk_ahash_ctx *tctx = crypto_ahash_ctx(tfm); + struct rk_crypto_info *rkc = tctx->dev; int ret; - ret = dma_map_sg(tctx->dev->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); + ret = dma_map_sg(rkc->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE); if (ret <= 0) return -EINVAL; @@ -243,8 +244,9 @@ static int rk_hash_unprepare(struct crypto_engine *engine, void *breq) struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq); struct rk_ahash_rctx *rctx = ahash_request_ctx(areq); struct rk_ahash_ctx *tctx = crypto_ahash_ctx(tfm); + struct rk_crypto_info *rkc = tctx->dev; - dma_unmap_sg(tctx->dev->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE); + dma_unmap_sg(rkc->dev, areq->src, rctx->nrsg, DMA_TO_DEVICE); return 0; } @@ -257,6 +259,7 @@ static int rk_hash_run(struct crypto_engine *engine, void *breq) struct ahash_alg *alg = __crypto_ahash_alg(tfm->base.__crt_alg); struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.hash); struct scatterlist *sg = areq->src; + struct rk_crypto_info *rkc = tctx->dev; int err = 0; int i; u32 v; @@ -283,13 +286,13 @@ static int rk_hash_run(struct crypto_engine *engine, void *breq) rk_ahash_reg_init(areq); while (sg) { - reinit_completion(&tctx->dev->complete); - tctx->dev->status = 0; - crypto_ahash_dma_start(tctx->dev, sg); - wait_for_completion_interruptible_timeout(&tctx->dev->complete, + reinit_completion(&rkc->complete); + rkc->status = 0; + crypto_ahash_dma_start(rkc, sg); + wait_for_completion_interruptible_timeout(&rkc->complete, msecs_to_jiffies(2000)); - if (!tctx->dev->status) { - dev_err(tctx->dev->dev, "DMA timeout\n"); + if (!rkc->status) { + dev_err(rkc->dev, "DMA timeout\n"); err = -EFAULT; goto theend; } @@ -306,10 +309,10 @@ static int rk_hash_run(struct crypto_engine *engine, void *breq) * efficiency, and make it response quickly when dma * complete. */ - readl_poll_timeout(tctx->dev->reg + RK_CRYPTO_HASH_STS, v, v == 0, 10, 1000); + readl_poll_timeout(rkc->reg + RK_CRYPTO_HASH_STS, v, v == 0, 10, 1000); for (i = 0; i < crypto_ahash_digestsize(tfm) / 4; i++) { - v = readl(tctx->dev->reg + RK_CRYPTO_HASH_DOUT_0 + i * 4); + v = readl(rkc->reg + RK_CRYPTO_HASH_DOUT_0 + i * 4); put_unaligned_le32(v, areq->result + i * 4); } diff --git a/drivers/crypto/rockchip/rk3288_crypto_skcipher.c b/drivers/crypto/rockchip/rk3288_crypto_skcipher.c index 3187869c4c68..6a1bea98fded 100644 --- a/drivers/crypto/rockchip/rk3288_crypto_skcipher.c +++ b/drivers/crypto/rockchip/rk3288_crypto_skcipher.c @@ -303,6 +303,7 @@ static int rk_cipher_run(struct crypto_engine *engine, void *async_req) unsigned int todo; struct skcipher_alg *alg = crypto_skcipher_alg(tfm); struct rk_crypto_tmp *algt = container_of(alg, struct rk_crypto_tmp, alg.skcipher); + struct rk_crypto_info *rkc = ctx->dev; algt->stat_req++; @@ -330,49 +331,49 @@ static int rk_cipher_run(struct crypto_engine *engine, void *async_req) scatterwalk_map_and_copy(biv, sgs, offset, ivsize, 0); } if (sgs == sgd) { - err = dma_map_sg(ctx->dev->dev, sgs, 1, DMA_BIDIRECTIONAL); + err = dma_map_sg(rkc->dev, sgs, 1, DMA_BIDIRECTIONAL); if (err <= 0) { err = -EINVAL; goto theend_iv; } } else { - err = dma_map_sg(ctx->dev->dev, sgs, 1, DMA_TO_DEVICE); + err = dma_map_sg(rkc->dev, sgs, 1, DMA_TO_DEVICE); if (err <= 0) { err = -EINVAL; goto theend_iv; } - err = dma_map_sg(ctx->dev->dev, sgd, 1, DMA_FROM_DEVICE); + err = dma_map_sg(rkc->dev, sgd, 1, DMA_FROM_DEVICE); if (err <= 0) { err = -EINVAL; goto theend_sgs; } } err = 0; - rk_cipher_hw_init(ctx->dev, areq); + rk_cipher_hw_init(rkc, areq); if (ivsize) { if (ivsize == DES_BLOCK_SIZE) - memcpy_toio(ctx->dev->reg + RK_CRYPTO_TDES_IV_0, ivtouse, ivsize); + memcpy_toio(rkc->reg + RK_CRYPTO_TDES_IV_0, ivtouse, ivsize); else - memcpy_toio(ctx->dev->reg + RK_CRYPTO_AES_IV_0, ivtouse, ivsize); + memcpy_toio(rkc->reg + RK_CRYPTO_AES_IV_0, ivtouse, ivsize); } - reinit_completion(&ctx->dev->complete); - ctx->dev->status = 0; + reinit_completion(&rkc->complete); + rkc->status = 0; todo = min(sg_dma_len(sgs), len); len -= todo; - crypto_dma_start(ctx->dev, sgs, sgd, todo / 4); - wait_for_completion_interruptible_timeout(&ctx->dev->complete, + crypto_dma_start(rkc, sgs, sgd, todo / 4); + wait_for_completion_interruptible_timeout(&rkc->complete, msecs_to_jiffies(2000)); - if (!ctx->dev->status) { - dev_err(ctx->dev->dev, "DMA timeout\n"); + if (!rkc->status) { + dev_err(rkc->dev, "DMA timeout\n"); err = -EFAULT; goto theend; } if (sgs == sgd) { - dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_BIDIRECTIONAL); + dma_unmap_sg(rkc->dev, sgs, 1, DMA_BIDIRECTIONAL); } else { - dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_TO_DEVICE); - dma_unmap_sg(ctx->dev->dev, sgd, 1, DMA_FROM_DEVICE); + dma_unmap_sg(rkc->dev, sgs, 1, DMA_TO_DEVICE); + dma_unmap_sg(rkc->dev, sgd, 1, DMA_FROM_DEVICE); } if (rctx->mode & RK_CRYPTO_DEC) { memcpy(iv, biv, ivsize); @@ -405,10 +406,10 @@ static int rk_cipher_run(struct crypto_engine *engine, void *async_req) theend_sgs: if (sgs == sgd) { - dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_BIDIRECTIONAL); + dma_unmap_sg(rkc->dev, sgs, 1, DMA_BIDIRECTIONAL); } else { - dma_unmap_sg(ctx->dev->dev, sgs, 1, DMA_TO_DEVICE); - dma_unmap_sg(ctx->dev->dev, sgd, 1, DMA_FROM_DEVICE); + dma_unmap_sg(rkc->dev, sgs, 1, DMA_TO_DEVICE); + dma_unmap_sg(rkc->dev, sgd, 1, DMA_FROM_DEVICE); } theend_iv: return err; -- 2.35.1