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dma: ste_dma40: Parse flags property for new 'high priority channel' request
This is used for MSP (audio) devices which is about to be fully DT:ed. Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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1 changed files with 4 additions and 0 deletions
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@ -2409,6 +2409,7 @@ static void d40_set_prio_realtime(struct d40_chan *d40c)
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#define D40_DT_FLAGS_DIR(flags) ((flags >> 1) & 0x1)
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#define D40_DT_FLAGS_BIG_ENDIAN(flags) ((flags >> 2) & 0x1)
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#define D40_DT_FLAGS_FIXED_CHAN(flags) ((flags >> 3) & 0x1)
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#define D40_DT_FLAGS_HIGH_PRIO(flags) ((flags >> 4) & 0x1)
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static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec,
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struct of_dma *ofdma)
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@ -2446,6 +2447,9 @@ static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec,
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cfg.use_fixed_channel = true;
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}
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if (D40_DT_FLAGS_HIGH_PRIO(flags))
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cfg.high_priority = true;
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return dma_request_channel(cap, stedma40_filter, &cfg);
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}
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