diff options
Diffstat (limited to 'drivers/dma/hsu')
| -rw-r--r-- | drivers/dma/hsu/hsu.c | 2 | ||||
| -rw-r--r-- | drivers/dma/hsu/hsu.h | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/hsu/hsu.c b/drivers/dma/hsu/hsu.c index 1817b7bc9576..59d1e7c6fd0f 100644 --- a/drivers/dma/hsu/hsu.c +++ b/drivers/dma/hsu/hsu.c @@ -417,6 +417,8 @@ int hsu_dma_probe(struct hsu_dma_chip *chip) hsu->dma.dev = chip->dev; + dma_set_max_seg_size(hsu->dma.dev, HSU_CH_DxTSR_MASK); + ret = dma_async_device_register(&hsu->dma); if (ret) return ret; diff --git a/drivers/dma/hsu/hsu.h b/drivers/dma/hsu/hsu.h index 578a8ee8cd05..50a9d1bda253 100644 --- a/drivers/dma/hsu/hsu.h +++ b/drivers/dma/hsu/hsu.h @@ -55,6 +55,10 @@ #define HSU_CH_DCR_CHEI BIT(23) #define HSU_CH_DCR_CHTOI(x) BIT(24 + (x)) +/* Bits in HSU_CH_DxTSR */ +#define HSU_CH_DxTSR_MASK GENMASK(15, 0) +#define HSU_CH_DxTSR_TSR(x) ((x) & HSU_CH_DxTSR_MASK) + struct hsu_dma_sg { dma_addr_t addr; unsigned int len; |