This is used for MSP (audio) devices which is about to be fully DT:ed.
Acked-by: Vinod Koul <vinod.k...@intel.com>
Acked-by: Linus Walleij <linus.wall...@linaro.org>
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
drivers/dma/ste_dma40.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index b8c031b..00a2de9 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2409,6 +2409,7 @@ static void d40_set_prio_realtime(struct d40_chan *d40c)
#define D40_DT_FLAGS_DIR(flags) ((flags >> 1) & 0x1)
#define D40_DT_FLAGS_BIG_ENDIAN(flags) ((flags >> 2) & 0x1)
#define D40_DT_FLAGS_FIXED_CHAN(flags) ((flags >> 3) & 0x1)
+#define D40_DT_FLAGS_HIGH_PRIO(flags) ((flags >> 4) & 0x1)
static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec,
struct of_dma *ofdma)
@@ -2446,6 +2447,9 @@ static struct dma_chan *d40_xlate(struct of_phandle_args
*dma_spec,
cfg.use_fixed_channel = true;
}
+ if (D40_DT_FLAGS_HIGH_PRIO(flags))
+ cfg.high_priority = true;
+
return dma_request_channel(cap, stedma40_filter, &cfg);
}
--
1.8.1.2
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