diff options
| -rw-r--r-- | drivers/dma/sh/rz-dmac.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/dma/sh/rz-dmac.c b/drivers/dma/sh/rz-dmac.c index 76bac11c217c..217657513fa7 100644 --- a/drivers/dma/sh/rz-dmac.c +++ b/drivers/dma/sh/rz-dmac.c @@ -286,6 +286,13 @@ static bool rz_dmac_chan_is_enabled(struct rz_dmac_chan *channel) return !!(val & CHSTAT_EN); } +static bool rz_dmac_chan_is_paused(struct rz_dmac_chan *channel) +{ + u32 val = rz_dmac_ch_readl(channel, CHSTAT, 1); + + return !!(val & CHSTAT_SUS); +} + static void rz_dmac_enable_hw(struct rz_dmac_chan *channel) { struct dma_chan *chan = &channel->vc.chan; @@ -822,12 +829,9 @@ static enum dma_status rz_dmac_tx_status(struct dma_chan *chan, return status; scoped_guard(spinlock_irqsave, &channel->vc.lock) { - u32 val; - residue = rz_dmac_chan_get_residue(channel, cookie); - val = rz_dmac_ch_readl(channel, CHSTAT, 1); - if (val & CHSTAT_SUS) + if (rz_dmac_chan_is_paused(channel)) status = DMA_PAUSED; } |