Since the 'done' task code was split into atmel_aes_cpu_complete() and
atmel_aes_dma_complete(), the AES_FLAGS_DMA flag has become useless.
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx>
---
drivers/crypto/atmel-aes.c | 37 +++++++++++++++----------------------
1 file changed, 15 insertions(+), 22 deletions(-)
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 8a2b3e81c087..68e4177ad61b 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -66,7 +66,6 @@
#define AES_FLAGS_INIT BIT(2)
#define AES_FLAGS_BUSY BIT(3)
-#define AES_FLAGS_DMA BIT(4)
#define AES_FLAGS_FAST BIT(5)
#define AES_FLAGS_PERSISTENT (AES_FLAGS_INIT | AES_FLAGS_BUSY)
@@ -393,8 +392,6 @@ static int atmel_aes_crypt_dma(struct atmel_aes_dev *dd,
dmaengine_slave_config(dd->dma_lch_in.chan, &dd->dma_lch_in.dma_conf);
dmaengine_slave_config(dd->dma_lch_out.chan, &dd->dma_lch_out.dma_conf);
- dd->flags |= AES_FLAGS_DMA;
-
sg_init_table(&sg[0], 1);
sg_dma_address(&sg[0]) = dma_addr_in;
sg_dma_len(&sg[0]) = length;
@@ -433,8 +430,6 @@ static int atmel_aes_crypt_cpu_start(struct atmel_aes_dev *dd)
{
struct ablkcipher_request *req = ablkcipher_request_cast(dd->areq);
- dd->flags &= ~AES_FLAGS_DMA;
-
dma_sync_single_for_cpu(dd->dev, dd->dma_addr_in,
dd->dma_size, DMA_TO_DEVICE);
dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out,
@@ -642,25 +637,23 @@ static int atmel_aes_start(struct atmel_aes_dev *dd)
static int atmel_aes_crypt_dma_stop(struct atmel_aes_dev *dd)
{
- int err = -EINVAL;
+ int err = 0;
size_t count;
- if (dd->flags & AES_FLAGS_DMA) {
- err = 0;
- if (dd->flags & AES_FLAGS_FAST) {
- dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE);
- dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE);
- } else {
- dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out,
- dd->dma_size, DMA_FROM_DEVICE);
-
- /* copy data */
- count = atmel_aes_sg_copy(&dd->out_sg, &dd->out_offset,
- dd->buf_out, dd->buflen, dd->dma_size, 1);
- if (count != dd->dma_size) {
- err = -EINVAL;
- pr_err("not all data converted: %zu\n", count);
- }
+ if (dd->flags & AES_FLAGS_FAST) {
+ dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE);
+ dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE);
+ } else {
+ dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out,
+ dd->dma_size, DMA_FROM_DEVICE);
+
+ /* copy data */
+ count = atmel_aes_sg_copy(&dd->out_sg, &dd->out_offset,
+ dd->buf_out, dd->buflen,
+ dd->dma_size, 1);
+ if (count != dd->dma_size) {
+ err = -EINVAL;
+ pr_err("not all data converted: %zu\n", count);
}
}
--
1.8.2.2
--
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