diff options
Diffstat (limited to 'chip/stm32/dma.c')
| -rw-r--r-- | chip/stm32/dma.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/chip/stm32/dma.c b/chip/stm32/dma.c index 031b8566bd..b09213d039 100644 --- a/chip/stm32/dma.c +++ b/chip/stm32/dma.c @@ -154,11 +154,14 @@ void dma_start_rx(const struct dma_option *option, unsigned count, int dma_bytes_done(stm32_dma_chan_t *chan, int orig_count) { - if (!(chan->ccr & STM32_DMA_CCR_EN)) - return 0; return orig_count - chan->cndtr; } +bool dma_is_enabled(stm32_dma_chan_t *chan) +{ + return (chan->ccr & STM32_DMA_CCR_EN); +} + #ifdef CONFIG_DMA_HELP void dma_dump(enum dma_channel channel) { |