Commit 8cbc3448 authored by Thara Gopinath's avatar Thara Gopinath Committed by Herbert Xu
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crypto: qce - Enable support for crypto engine on sdm845 



Add support Qualcomm Crypto Engine accelerated encryption and
authentication algorithms on sdm845.

Reviewed-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: default avatarThara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent ac50aec4

drivers/crypto/qce/core.c

+16 −1
Original line number Diff line number Diff line
@@ -159,7 +159,21 @@ static int qce_check_version(struct qce_device *qce) 
		return -ENODEV;



	qce->burst_size = QCE_BAM_BURST_SIZE;

	qce->pipe_pair_id = 1;



	/*

	 * Rx and tx pipes are treated as a pair inside CE.

	 * Pipe pair number depends on the actual BAM dma pipe

	 * that is used for transfers. The BAM dma pipes are passed

	 * from the device tree and used to derive the pipe pair

	 * id in the CE driver as follows.

	 * 	BAM dma pipes(rx, tx)		CE pipe pair id

	 *		0,1				0

	 *		2,3				1

	 *		4,5				2

	 *		6,7				3

	 *		...

	 */

	qce->pipe_pair_id = qce->dma.rxchan->chan_id >> 1;



	dev_dbg(qce->dev, "Crypto device found, version %d.%d.%d\n",

		major, minor, step);
@@ -260,6 +274,7 @@ static int qce_crypto_remove(struct platform_device *pdev) 


static const struct of_device_id qce_crypto_of_match[] = {

	{ .compatible = "qcom,crypto-v5.1", },

	{ .compatible = "qcom,crypto-v5.4", },

	{}

};

MODULE_DEVICE_TABLE(of, qce_crypto_of_match);