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[DM/PCI] Fixup the bus-range probe

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Signed-off-by: GuEe-GUI <2991707448@qq.com>
This commit is contained in:
GuEe-GUI
2025-08-20 16:37:16 +08:00
committed by R b b666
parent 8731289055
commit 77e845e018
1 changed files with 5 additions and 2 deletions
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7
components/drivers/pci/ofw.c
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@@ -284,7 +284,7 @@ rt_err_t rt_pci_ofw_parse_ranges(struct rt_ofw_node *dev_np,
phy_addr_cells, phy_size_cells, cpu_addr_cells,
&host_bridge->dma_regions, &host_bridge->dma_regions_nr);
if (err != -RT_EEMPTY)
if (err && err != -RT_EEMPTY)
{
rt_free(host_bridge->bus_regions);
host_bridge->bus_regions_nr = 0;
@@ -314,7 +314,10 @@ rt_err_t rt_pci_ofw_host_bridge_init(struct rt_ofw_node *dev_np,
if (rt_ofw_prop_read_u32_array_index(dev_np, "bus-range", 0, 2, host_bridge->bus_range) < 0)
{
return -RT_EIO;
host_bridge->bus_range[0] = 0x00;
host_bridge->bus_range[1] = 0xff;
LOG_I("%s: No \"%s\" found, using [%#02x, %#02x]", rt_ofw_node_full_name(dev_np), "bus-range",
host_bridge->bus_range[0], host_bridge->bus_range[1]);
}
propname = rt_ofw_get_prop_fuzzy_name(dev_np, ",pci-domain$");