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-rw-r--r--drivers/mtd/nand/gpmi-nand/gpmi-lib.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
index 7db6555ed3ba..5e3c5051e6a2 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-lib.c
@@ -849,7 +849,9 @@ int gpmi_send_command(struct gpmi_nand_data *this)
sg_init_one(sgl, this->cmd_buffer, this->command_length);
dma_map_sg(this->dev, sgl, 1, DMA_TO_DEVICE);
desc = channel->device->device_prep_slave_sg(channel,
- sgl, 1, DMA_MEM_TO_DEV, 1);
+ sgl, 1, DMA_MEM_TO_DEV,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+
if (!desc) {
pr_err("step 2 error\n");
return -1;
@@ -891,7 +893,8 @@ int gpmi_send_data(struct gpmi_nand_data *this)
/* [2] send DMA request */
prepare_data_dma(this, DMA_TO_DEVICE);
desc = channel->device->device_prep_slave_sg(channel, &this->data_sgl,
- 1, DMA_MEM_TO_DEV, 1);
+ 1, DMA_MEM_TO_DEV,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
pr_err("step 2 error\n");
return -1;
@@ -927,7 +930,8 @@ int gpmi_read_data(struct gpmi_nand_data *this)
/* [2] : send DMA request */
prepare_data_dma(this, DMA_FROM_DEVICE);
desc = channel->device->device_prep_slave_sg(channel, &this->data_sgl,
- 1, DMA_DEV_TO_MEM, 1);
+ 1, DMA_DEV_TO_MEM,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
pr_err("step 2 error\n");
return -1;
@@ -974,7 +978,8 @@ int gpmi_send_page(struct gpmi_nand_data *this,
desc = channel->device->device_prep_slave_sg(channel,
(struct scatterlist *)pio,
- ARRAY_SIZE(pio), DMA_TRANS_NONE, 0);
+ ARRAY_SIZE(pio), DMA_TRANS_NONE,
+ DMA_CTRL_ACK);
if (!desc) {
pr_err("step 2 error\n");
return -1;
@@ -1038,7 +1043,8 @@ int gpmi_read_page(struct gpmi_nand_data *this,
pio[5] = auxiliary;
desc = channel->device->device_prep_slave_sg(channel,
(struct scatterlist *)pio,
- ARRAY_SIZE(pio), DMA_TRANS_NONE, 1);
+ ARRAY_SIZE(pio), DMA_TRANS_NONE,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
pr_err("step 2 error\n");
return -1;
@@ -1057,7 +1063,8 @@ int gpmi_read_page(struct gpmi_nand_data *this,
pio[1] = 0;
desc = channel->device->device_prep_slave_sg(channel,
(struct scatterlist *)pio, 2,
- DMA_TRANS_NONE, 1);
+ DMA_TRANS_NONE,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
if (!desc) {
pr_err("step 3 error\n");
return -1;
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