| Message ID | 20231214114239.2635325-2-quic_mdalam@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add cmd descriptor support | expand |
On 12/14/2023 5:12 PM, Md Sadre Alam wrote: > Get crypto base address from DT. This will use for > command descriptor support for crypto register r/w > via BAM/DMA > > Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com> > --- > drivers/crypto/qce/core.c | 9 +++++++++ > drivers/crypto/qce/core.h | 1 + > 2 files changed, 10 insertions(+) > > diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c > index 28b5fd823827..5af0dc40738a 100644 > --- a/drivers/crypto/qce/core.c > +++ b/drivers/crypto/qce/core.c > @@ -192,6 +192,7 @@ static int qce_crypto_probe(struct platform_device *pdev) > { > struct device *dev = &pdev->dev; > struct qce_device *qce; > + struct resource *res; > int ret; > > qce = devm_kzalloc(dev, sizeof(*qce), GFP_KERNEL); > @@ -205,6 +206,14 @@ static int qce_crypto_probe(struct platform_device *pdev) > if (IS_ERR(qce->base)) > return PTR_ERR(qce->base); > > + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); Can this be combined with devm_platform_get_and_ioremap_resource ? > + if (!res) > + return -ENOMEM; > + qce->base_dma = dma_map_resource(dev, res->start, resource_size(res), > + DMA_BIDIRECTIONAL, 0); unmap in remove and error cases ? Regards, Sricharan
diff --git a/drivers/crypto/qce/core.c b/drivers/crypto/qce/core.c index 28b5fd823827..5af0dc40738a 100644 --- a/drivers/crypto/qce/core.c +++ b/drivers/crypto/qce/core.c @@ -192,6 +192,7 @@ static int qce_crypto_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct qce_device *qce; + struct resource *res; int ret; qce = devm_kzalloc(dev, sizeof(*qce), GFP_KERNEL); @@ -205,6 +206,14 @@ static int qce_crypto_probe(struct platform_device *pdev) if (IS_ERR(qce->base)) return PTR_ERR(qce->base); + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -ENOMEM; + qce->base_dma = dma_map_resource(dev, res->start, resource_size(res), + DMA_BIDIRECTIONAL, 0); + if (dma_mapping_error(dev, qce->base_dma)) + return -ENXIO; + ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); if (ret < 0) return ret; diff --git a/drivers/crypto/qce/core.h b/drivers/crypto/qce/core.h index 228fcd69ec51..25e2af45c047 100644 --- a/drivers/crypto/qce/core.h +++ b/drivers/crypto/qce/core.h @@ -39,6 +39,7 @@ struct qce_device { struct qce_dma_data dma; int burst_size; unsigned int pipe_pair_id; + dma_addr_t base_dma; int (*async_req_enqueue)(struct qce_device *qce, struct crypto_async_request *req); void (*async_req_done)(struct qce_device *qce, int ret);
Get crypto base address from DT. This will use for command descriptor support for crypto register r/w via BAM/DMA Signed-off-by: Md Sadre Alam <quic_mdalam@quicinc.com> --- drivers/crypto/qce/core.c | 9 +++++++++ drivers/crypto/qce/core.h | 1 + 2 files changed, 10 insertions(+)