dma: ste_dma40: Parse flags property for new 'high priority channel' request

[pandora-kernel.git] / drivers / dma / ste_dma40.c

diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index b8c031b..00a2de9 100644 (file)
--- 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);
 }