diff options
| -rw-r--r-- | drivers/staging/mt7621-pci/pci-mt7621.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c b/drivers/staging/mt7621-pci/pci-mt7621.c index 219b35937285..1f9e75db5298 100644 --- a/drivers/staging/mt7621-pci/pci-mt7621.c +++ b/drivers/staging/mt7621-pci/pci-mt7621.c @@ -298,6 +298,13 @@ static int mt7621_pci_parse_request_of_pci_ranges(struct mt7621_pcie *pcie) return -EINVAL; } + /* + * IO_SPACE_LIMIT for MIPS is 0xffff but this platform uses IO at + * upper address 0x001e160000 so we have to get the resource from + * the DT because when it has been requested it failed and has been + * removed from bridge->dma_ranges and bridge->windows. So parse it + * and remap it manually to make things work. + */ for_each_of_pci_range(&parser, &range) { switch (range.flags & IORESOURCE_TYPE_BITS) { case IORESOURCE_IO: |