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From: Bartosz Golaszewski <brgl@bgdev.pl>
To: Vinod Koul <vkoul@kernel.org>, Jonathan Corbet <corbet@lwn.net>,
	 Thara Gopinath <thara.gopinath@gmail.com>,
	 Herbert Xu <herbert@gondor.apana.org.au>,
	 "David S. Miller" <davem@davemloft.net>,
	 Udit Tiwari <quic_utiwari@quicinc.com>,
	 Daniel Perez-Zoghbi <dperezzo@quicinc.com>,
	 Md Sadre Alam <mdalam@qti.qualcomm.com>
Cc: dmaengine@vger.kernel.org, linux-doc@vger.kernel.org,
	 linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
	 linux-crypto@vger.kernel.org,
	 Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Subject: [PATCH v8 06/11] crypto: qce - Simplify arguments of devm_qce_dma_request()
Date: Thu, 06 Nov 2025 12:34:02 +0100	[thread overview]
Message-ID: <20251106-qcom-qce-cmd-descr-v8-6-ecddca23ca26@linaro.org> (raw)
In-Reply-To: <20251106-qcom-qce-cmd-descr-v8-0-ecddca23ca26@linaro.org>

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

This function can extract all the information it needs from struct
qce_device alone so simplify its arguments. This is done in preparation
for adding support for register I/O over DMA which will require
accessing even more fields from struct qce_device.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
 drivers/crypto/qce/core.c | 2 +-
 drivers/crypto/qce/dma.c  | 5 ++++-
 drivers/crypto/qce/dma.h  | 4 +++-
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c
index 3114b7f458de0c1cd8527e602b408958f224a7d0..aac65041f585221b800f4d7756e4bf9d9f21d0a0 100644
--- a/drivers/crypto/qce/core.c
+++ b/drivers/crypto/qce/core.c
@@ -227,7 +227,7 @@ static int qce_crypto_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
-	ret = devm_qce_dma_request(qce->dev, &qce->dma);
+	ret = devm_qce_dma_request(qce);
 	if (ret)
 		return ret;
 
diff --git a/drivers/crypto/qce/dma.c b/drivers/crypto/qce/dma.c
index f9581d53fe4033aa1982964d1038097fff0e8250..4c15dd8bbeb85f6ac0e463d7b9eab70faeb2be94 100644
--- a/drivers/crypto/qce/dma.c
+++ b/drivers/crypto/qce/dma.c
@@ -7,6 +7,7 @@
 #include <linux/dmaengine.h>
 #include <crypto/scatterwalk.h>
 
+#include "core.h"
 #include "dma.h"
 
 #define QCE_IGNORE_BUF_SZ		(2 * QCE_BAM_BURST_SIZE)
@@ -20,8 +21,10 @@ static void qce_dma_release(void *data)
 	kfree(dma->result_buf);
 }
 
-int devm_qce_dma_request(struct device *dev, struct qce_dma_data *dma)
+int devm_qce_dma_request(struct qce_device *qce)
 {
+	struct qce_dma_data *dma = &qce->dma;
+	struct device *dev = qce->dev;
 	int ret;
 
 	dma->txchan = dma_request_chan(dev, "tx");
diff --git a/drivers/crypto/qce/dma.h b/drivers/crypto/qce/dma.h
index fc337c435cd14917bdfb99febcf9119275afdeba..483789d9fa98e79d1283de8297bf2fc2a773f3a7 100644
--- a/drivers/crypto/qce/dma.h
+++ b/drivers/crypto/qce/dma.h
@@ -8,6 +8,8 @@
 
 #include <linux/dmaengine.h>
 
+struct qce_device;
+
 /* maximum data transfer block size between BAM and CE */
 #define QCE_BAM_BURST_SIZE		64
 
@@ -32,7 +34,7 @@ struct qce_dma_data {
 	struct qce_result_dump *result_buf;
 };
 
-int devm_qce_dma_request(struct device *dev, struct qce_dma_data *dma);
+int devm_qce_dma_request(struct qce_device *qce);
 int qce_dma_prep_sgs(struct qce_dma_data *dma, struct scatterlist *sg_in,
 		     int in_ents, struct scatterlist *sg_out, int out_ents,
 		     dma_async_tx_callback cb, void *cb_param);

-- 
2.51.0


  parent reply	other threads:[~2025-11-06 11:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-06 11:33 [PATCH v8 00/11] crypto/dmaengine: qce: introduce BAM locking and use DMA for register I/O Bartosz Golaszewski
2025-11-06 11:33 ` [PATCH v8 01/11] dmaengine: Add DMA_PREP_LOCK/DMA_PREP_UNLOCK flags Bartosz Golaszewski
2025-11-07  6:19   ` Randy Dunlap
2025-11-06 11:33 ` [PATCH v8 02/11] dmaengine: qcom: bam_dma: Extend the driver's device match data Bartosz Golaszewski
2025-11-06 11:33 ` [PATCH v8 03/11] dmaengine: qcom: bam_dma: Add bam_pipe_lock flag support Bartosz Golaszewski
2025-11-06 11:34 ` [PATCH v8 04/11] crypto: qce - Include algapi.h in the core.h header Bartosz Golaszewski
2025-11-06 11:34 ` [PATCH v8 05/11] crypto: qce - Remove unused ignore_buf Bartosz Golaszewski
2025-11-06 11:34 ` Bartosz Golaszewski [this message]
2025-11-06 11:34 ` [PATCH v8 07/11] crypto: qce - Use existing devres APIs in devm_qce_dma_request() Bartosz Golaszewski
2025-11-06 11:34 ` [PATCH v8 08/11] crypto: qce - Map crypto memory for DMA Bartosz Golaszewski
2025-11-06 11:34 ` [PATCH v8 09/11] crypto: qce - Add BAM DMA support for crypto register I/O Bartosz Golaszewski
2025-11-06 11:34 ` [PATCH v8 10/11] crypto: qce - Add support for BAM locking Bartosz Golaszewski
2025-11-06 11:34 ` [PATCH v8 11/11] crypto: qce - Switch to using BAM DMA for crypto I/O Bartosz Golaszewski

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