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path: root/drivers/crypto/ux500/cryp/cryp_core.c
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Diffstat (limited to 'drivers/crypto/ux500/cryp/cryp_core.c')
-rw-r--r--drivers/crypto/ux500/cryp/cryp_core.c57
1 files changed, 43 insertions, 14 deletions
diff --git a/drivers/crypto/ux500/cryp/cryp_core.c b/drivers/crypto/ux500/cryp/cryp_core.c
index 8c2777cf02f6..83d79b964d12 100644
--- a/drivers/crypto/ux500/cryp/cryp_core.c
+++ b/drivers/crypto/ux500/cryp/cryp_core.c
@@ -475,6 +475,19 @@ static int cryp_get_device_data(struct cryp_ctx *ctx,
static void cryp_dma_setup_channel(struct cryp_device_data *device_data,
struct device *dev)
{
+ struct dma_slave_config mem2cryp = {
+ .direction = DMA_MEM_TO_DEV,
+ .dst_addr = device_data->phybase + CRYP_DMA_TX_FIFO,
+ .dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
+ .dst_maxburst = 4,
+ };
+ struct dma_slave_config cryp2mem = {
+ .direction = DMA_DEV_TO_MEM,
+ .src_addr = device_data->phybase + CRYP_DMA_RX_FIFO,
+ .src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES,
+ .src_maxburst = 4,
+ };
+
dma_cap_zero(device_data->dma.mask);
dma_cap_set(DMA_SLAVE, device_data->dma.mask);
@@ -490,6 +503,9 @@ static void cryp_dma_setup_channel(struct cryp_device_data *device_data,
stedma40_filter,
device_data->dma.cfg_cryp2mem);
+ dmaengine_slave_config(device_data->dma.chan_mem2cryp, &mem2cryp);
+ dmaengine_slave_config(device_data->dma.chan_cryp2mem, &cryp2mem);
+
init_completion(&device_data->dma.cryp_dma_complete);
}
@@ -537,10 +553,10 @@ static int cryp_set_dma_transfer(struct cryp_ctx *ctx,
dev_dbg(ctx->device->dev, "[%s]: Setting up DMA for buffer "
"(TO_DEVICE)", __func__);
- desc = channel->device->device_prep_slave_sg(channel,
- ctx->device->dma.sg_src,
- ctx->device->dma.sg_src_len,
- direction, DMA_CTRL_ACK, NULL);
+ desc = dmaengine_prep_slave_sg(channel,
+ ctx->device->dma.sg_src,
+ ctx->device->dma.sg_src_len,
+ direction, DMA_CTRL_ACK);
break;
case DMA_FROM_DEVICE:
@@ -561,12 +577,12 @@ static int cryp_set_dma_transfer(struct cryp_ctx *ctx,
dev_dbg(ctx->device->dev, "[%s]: Setting up DMA for buffer "
"(FROM_DEVICE)", __func__);
- desc = channel->device->device_prep_slave_sg(channel,
- ctx->device->dma.sg_dst,
- ctx->device->dma.sg_dst_len,
- direction,
- DMA_CTRL_ACK |
- DMA_PREP_INTERRUPT, NULL);
+ desc = dmaengine_prep_slave_sg(channel,
+ ctx->device->dma.sg_dst,
+ ctx->device->dma.sg_dst_len,
+ direction,
+ DMA_CTRL_ACK |
+ DMA_PREP_INTERRUPT);
desc->callback = cryp_dma_out_callback;
desc->callback_param = ctx;
@@ -578,7 +594,7 @@ static int cryp_set_dma_transfer(struct cryp_ctx *ctx,
return -EFAULT;
}
- cookie = desc->tx_submit(desc);
+ cookie = dmaengine_submit(desc);
dma_async_issue_pending(channel);
return 0;
@@ -591,12 +607,12 @@ static void cryp_dma_done(struct cryp_ctx *ctx)
dev_dbg(ctx->device->dev, "[%s]: ", __func__);
chan = ctx->device->dma.chan_mem2cryp;
- chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
+ dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0);
dma_unmap_sg(chan->device->dev, ctx->device->dma.sg_src,
ctx->device->dma.sg_src_len, DMA_TO_DEVICE);
chan = ctx->device->dma.chan_cryp2mem;
- chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
+ dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0);
dma_unmap_sg(chan->device->dev, ctx->device->dma.sg_dst,
ctx->device->dma.sg_dst_len, DMA_FROM_DEVICE);
}
@@ -1431,6 +1447,7 @@ static int ux500_cryp_probe(struct platform_device *pdev)
goto out_kfree;
}
+ device_data->phybase = res->start;
device_data->base = ioremap(res->start, resource_size(res));
if (!device_data->base) {
dev_err(dev, "[%s]: ioremap failed!", __func__);
@@ -1458,11 +1475,17 @@ static int ux500_cryp_probe(struct platform_device *pdev)
goto out_regulator;
}
+ ret = clk_prepare(device_data->clk);
+ if (ret) {
+ dev_err(dev, "[%s]: clk_prepare() failed!", __func__);
+ goto out_clk;
+ }
+
/* Enable device power (and clock) */
ret = cryp_enable_power(device_data->dev, device_data, false);
if (ret) {
dev_err(dev, "[%s]: cryp_enable_power() failed!", __func__);
- goto out_clk;
+ goto out_clk_unprepare;
}
cryp_error = cryp_check(device_data);
@@ -1518,11 +1541,16 @@ static int ux500_cryp_probe(struct platform_device *pdev)
goto out_power;
}
+ dev_info(dev, "successfully registered\n");
+
return 0;
out_power:
cryp_disable_power(device_data->dev, device_data, false);
+out_clk_unprepare:
+ clk_unprepare(device_data->clk);
+
out_clk:
clk_put(device_data->clk);
@@ -1593,6 +1621,7 @@ static int ux500_cryp_remove(struct platform_device *pdev)
dev_err(&pdev->dev, "[%s]: cryp_disable_power() failed",
__func__);
+ clk_unprepare(device_data->clk);
clk_put(device_data->clk);
regulator_put(device_data->pwr_regulator);