diff options
| author | Thara Gopinath <thara.gopinath@linaro.org> | 2020-11-19 18:52:30 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-11-27 09:13:40 +0300 |
| commit | 8cbc3448214a9d4534f8381ec23ef5add0ae8d91 (patch) | |
| tree | d71b7b30f5b10fdc1fd4b578498dd7f1f4c303ce | |
| parent | ac50aec41a9f9590b1d48bd4daa2251f0025052a (diff) | |
| download | linux-8cbc3448214a9d4534f8381ec23ef5add0ae8d91.tar.xz | |
crypto: qce - Enable support for crypto engine on sdm845
Add support Qualcomm Crypto Engine accelerated encryption and
authentication algorithms on sdm845.
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | drivers/crypto/qce/core.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c index 5e6717f9bbda..80b75085c265 100644 --- a/drivers/crypto/qce/core.c +++ b/drivers/crypto/qce/core.c @@ -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); |