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Fri, 28 Nov 2025 03:44:22 -0800 (PST) From: Bartosz Golaszewski Date: Fri, 28 Nov 2025 12:44:05 +0100 Subject: [PATCH v9 07/11] crypto: qce - Use existing devres APIs in devm_qce_dma_request() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251128-qcom-qce-cmd-descr-v9-7-9a5f72b89722@linaro.org> References: <20251128-qcom-qce-cmd-descr-v9-0-9a5f72b89722@linaro.org> In-Reply-To: <20251128-qcom-qce-cmd-descr-v9-0-9a5f72b89722@linaro.org> To: Vinod Koul , Jonathan Corbet , Thara Gopinath , Herbert Xu , "David S. Miller" , Udit Tiwari , Daniel Perez-Zoghbi , Md Sadre Alam , Dmitry Baryshkov 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 X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=2130; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=0HNGOpA5BOBppMRD34n6Vlm9z76LKmywM4te9hh3rgw=; b=owEBbQKS/ZANAwAKAQWdLsv/NoTDAcsmYgBpKYsJ6qql8IGnaHnHmPWao/nY0akeTfuJ+1g/v ANx/BW1yo2JAjMEAAEKAB0WIQSR5RMt5bVGHXuiZfwFnS7L/zaEwwUCaSmLCQAKCRAFnS7L/zaE w0LsEACmw5Al7p+VtiKsgT5X28Z0MSlzU52WUmT5dx/6YTDd7dz/8kG8oK/u0E93LHsOTINuET2 YJX5F+mPovkmeV/TdynbCAF24QTr4d7hu5SnA8PJuHiBVOxhjovM49bT+baQfr1QYOjBqdQdIkc ZJP/eTUkNKr9KdjFwHJ+fd4XsRYSDuH+8Ossj95FzBr9feaRqGEvc806STtH3lftApVGRMwKLNF wXx3vQe94hl3JF9Zi8UamBVDmRubXQHtyOUpHqFyvzTDwX34uHfz1AMwxkNj6/jxuEIuitfCTHt UeKgKbUCdzwbDlTUHHuePv3SMmmBedKEl7e2aILqexcQADv8ozki6HJUrLIt4/7CjiI8WtaGMFy bN9uYzma9L/TvgWBbI1NX5a0wo4VygYxhn9mpXbwLsnoKLq2OTbo3E1gjHMoKZoojkh9aGXn6js VJ2rhdkgwxW++u1iy88Jj44VbMEwUZCwCtoYU5cWZQb0n0gFgL5XodxcLR6JAg99P69NQ0nhY8w bLVn8Pxan3DlErnhzZvSW0jDUW5ckhEAs7cZ3pwbjMjJc8YYbdS3Nj//jaNiUNx3JArFodjnLlN ARCN7iyXogCqURuExIR2b/2jh8XcxJe7DOgy1n/QBGtzM7iNPQ3sV4qOAfdI4OtVwke82hidYyH fYnVGVf/T5IPL1Q== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski Switch to devm_kmalloc() and devm_dma_alloc_chan() in devm_qce_dma_request(). This allows us to drop two labels and shrink the function. Signed-off-by: Bartosz Golaszewski Reviewed-by: Konrad Dybcio --- drivers/crypto/qce/dma.c | 39 +++++++++------------------------------ 1 file changed, 9 insertions(+), 30 deletions(-) diff --git a/drivers/crypto/qce/dma.c b/drivers/crypto/qce/dma.c index c29b0abe9445381a019e0447d30acfd7319d5c1f..a46264735bb895b6199969e8339= 1383ccbbacc5f 100644 --- a/drivers/crypto/qce/dma.c +++ b/drivers/crypto/qce/dma.c @@ -12,47 +12,26 @@ =20 #define QCE_IGNORE_BUF_SZ (2 * QCE_BAM_BURST_SIZE) =20 -static void qce_dma_release(void *data) -{ - struct qce_dma_data *dma =3D data; - - dma_release_channel(dma->txchan); - dma_release_channel(dma->rxchan); - kfree(dma->result_buf); -} - int devm_qce_dma_request(struct qce_device *qce) { struct qce_dma_data *dma =3D &qce->dma; struct device *dev =3D qce->dev; - int ret; =20 - dma->txchan =3D dma_request_chan(dev, "tx"); + dma->txchan =3D devm_dma_request_chan(dev, "tx"); if (IS_ERR(dma->txchan)) return dev_err_probe(dev, PTR_ERR(dma->txchan), "Failed to get TX DMA channel\n"); =20 - dma->rxchan =3D dma_request_chan(dev, "rx"); - if (IS_ERR(dma->rxchan)) { - ret =3D dev_err_probe(dev, PTR_ERR(dma->rxchan), - "Failed to get RX DMA channel\n"); - goto error_rx; - } + dma->rxchan =3D devm_dma_request_chan(dev, "rx"); + if (IS_ERR(dma->rxchan)) + return dev_err_probe(dev, PTR_ERR(dma->rxchan), + "Failed to get RX DMA channel\n"); =20 - dma->result_buf =3D kmalloc(QCE_RESULT_BUF_SZ + QCE_IGNORE_BUF_SZ, - GFP_KERNEL); - if (!dma->result_buf) { - ret =3D -ENOMEM; - goto error_nomem; - } + dma->result_buf =3D devm_kmalloc(dev, QCE_RESULT_BUF_SZ + QCE_IGNORE_BUF_= SZ, GFP_KERNEL); + if (!dma->result_buf) + return -ENOMEM; =20 - return devm_add_action_or_reset(dev, qce_dma_release, dma); - -error_nomem: - dma_release_channel(dma->rxchan); -error_rx: - dma_release_channel(dma->txchan); - return ret; + return 0; } =20 struct scatterlist * --=20 2.51.0