mirror of https://gitee.com/openkylin/linux.git
omap: SDMA: Fixing bug in omap_dma_set_global_params()
Argument tparams was not being used to program global register GCR.HI_THREAD_RESERVED. This patch fixes the same. Signed-off-by: Anuj Aggarwal <anuj.aggarwal@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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@ -829,10 +829,10 @@ EXPORT_SYMBOL(omap_free_dma);
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*
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* @param arb_rate
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* @param max_fifo_depth
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* @param tparams - Number of thereads to reserve : DMA_THREAD_RESERVE_NORM
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* DMA_THREAD_RESERVE_ONET
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* DMA_THREAD_RESERVE_TWOT
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* DMA_THREAD_RESERVE_THREET
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* @param tparams - Number of threads to reserve : DMA_THREAD_RESERVE_NORM
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* DMA_THREAD_RESERVE_ONET
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* DMA_THREAD_RESERVE_TWOT
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* DMA_THREAD_RESERVE_THREET
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*/
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void
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omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
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@ -844,11 +844,14 @@ omap_dma_set_global_params(int arb_rate, int max_fifo_depth, int tparams)
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return;
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}
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if (max_fifo_depth == 0)
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max_fifo_depth = 1;
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if (arb_rate == 0)
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arb_rate = 1;
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reg = (arb_rate & 0xff) << 16;
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reg |= (0xff & max_fifo_depth);
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reg = 0xff & max_fifo_depth;
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reg |= (0x3 & tparams) << 12;
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reg |= (arb_rate & 0xff) << 16;
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dma_write(reg, GCR);
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}
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