domenico/openwrt-18.06
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domenico
2025-06-24 15:51:28 +02:00
commit 22031d9dab
6862 changed files with 1462554 additions and 0 deletions
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target/linux/apm821xx/patches-4.14/302-dw-dma-hprot-fix-and-equal-priortiy.patch Normal file
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@@ -0,0 +1,25 @@
--- a/drivers/dma/dw/core.c
+++ b/drivers/dma/dw/core.c
@@ -169,6 +169,8 @@ static void dwc_initialize_chan_dw(struc
cfghi |= DWC_CFGH_SRC_PER(dwc->dws.src_id);
cfghi |= DWC_CFGH_PROTCTL(dw->pdata->protctl);
+ cfghi |= DWC_CFGH_PROTCTL(3); /* bufferable + privileged access */
+
/* Set polarity of handshake interface */
cfglo |= hs_polarity ? DWC_CFGL_HS_DST_POL | DWC_CFGL_HS_SRC_POL : 0;
@@ -1295,11 +1297,8 @@ int dw_dma_probe(struct dw_dma_chip *chi
else
list_add(&dwc->chan.device_node, &dw->dma.channels);
- /* 7 is highest priority & 0 is lowest. */
- if (pdata->chan_priority == CHAN_PRIORITY_ASCENDING)
- dwc->priority = pdata->nr_channels - i - 1;
- else
- dwc->priority = i;
+ /* set all channels to the same priority */
+ dwc->priority = pdata->nr_channels - 1;
dwc->ch_regs = &__dw_regs(dw)->CHAN[i];
spin_lock_init(&dwc->lock);