diff options
Diffstat (limited to 'kernel/drivers/dma/hsu')
| -rw-r--r-- | kernel/drivers/dma/hsu/hsu.c | 2 | ||||
| -rw-r--r-- | kernel/drivers/dma/hsu/hsu.h | 3 |
2 files changed, 4 insertions, 1 deletions
diff --git a/kernel/drivers/dma/hsu/hsu.c b/kernel/drivers/dma/hsu/hsu.c index 823ad728a..efc02b98e 100644 --- a/kernel/drivers/dma/hsu/hsu.c +++ b/kernel/drivers/dma/hsu/hsu.c @@ -135,7 +135,7 @@ static u32 hsu_dma_chan_get_sr(struct hsu_dma_chan *hsuc) sr = hsu_chan_readl(hsuc, HSU_CH_SR); spin_unlock_irqrestore(&hsuc->vchan.lock, flags); - return sr; + return sr & ~(HSU_CH_SR_DESCE_ANY | HSU_CH_SR_CDESC_ANY); } irqreturn_t hsu_dma_irq(struct hsu_dma_chip *chip, unsigned short nr) diff --git a/kernel/drivers/dma/hsu/hsu.h b/kernel/drivers/dma/hsu/hsu.h index f06579c6d..26da2865b 100644 --- a/kernel/drivers/dma/hsu/hsu.h +++ b/kernel/drivers/dma/hsu/hsu.h @@ -41,6 +41,9 @@ #define HSU_CH_SR_DESCTO(x) BIT(8 + (x)) #define HSU_CH_SR_DESCTO_ANY (BIT(11) | BIT(10) | BIT(9) | BIT(8)) #define HSU_CH_SR_CHE BIT(15) +#define HSU_CH_SR_DESCE(x) BIT(16 + (x)) +#define HSU_CH_SR_DESCE_ANY (BIT(19) | BIT(18) | BIT(17) | BIT(16)) +#define HSU_CH_SR_CDESC_ANY (BIT(31) | BIT(30)) /* Bits in HSU_CH_CR */ #define HSU_CH_CR_CHA BIT(0) |