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26 lines
878 B
Diff
26 lines
878 B
Diff
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--- a/drivers/dma/dw/core.c
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+++ b/drivers/dma/dw/core.c
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@@ -167,6 +167,8 @@ static void dwc_initialize_chan_dw(struc
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cfghi |= DWC_CFGH_DST_PER(dwc->dws.dst_id);
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cfghi |= DWC_CFGH_SRC_PER(dwc->dws.src_id);
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+ cfghi |= DWC_CFGH_PROTCTL(3); /* bufferable + privileged access */
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+
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/* Set polarity of handshake interface */
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cfglo |= hs_polarity ? DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL : 0;
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@@ -1293,11 +1295,8 @@ int dw_dma_probe(struct dw_dma_chip *chi
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else
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list_add(&dwc->chan.device_node, &dw->dma.channels);
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- /* 7 is highest priority & 0 is lowest. */
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- if (pdata->chan_priority == CHAN_PRIORITY_ASCENDING)
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- dwc->priority = pdata->nr_channels - i - 1;
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- else
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- dwc->priority = i;
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+ /* set all channels to the same priority */
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+ dwc->priority = pdata->nr_channels - 1;
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dwc->ch_regs = &__dw_regs(dw)->CHAN[i];
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spin_lock_init(&dwc->lock);
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