From: Minghuan Lian <minghuan.l...@nxp.com>
There may be multiple PCIe controllers in a SoC.
It is not correct that always calling pci_bus_to_hose(0) to get
the first PCIe controller for the PCIe device connected other
controllers. We just remove this calling because hose always point
the correct PCIe controller.
Signed-off-by: Minghuan Lian <minghuan.l...@nxp.com>
Signed-off-by: Hou Zhiqiang <zhiqiang....@nxp.com>
---
V3:
- Comment func pci_hose_phys_to_bus() that @hose must be the root PCI
controller
drivers/pci/pci_common.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)
diff --git a/drivers/pci/pci_common.c b/drivers/pci/pci_common.c
index 1755914..9e09acd 100644
--- a/drivers/pci/pci_common.c
+++ b/drivers/pci/pci_common.c
@@ -181,11 +181,6 @@ phys_addr_t pci_hose_bus_to_phys(struct pci_controller
*hose,
return phys_addr;
}
-#ifdef CONFIG_DM_PCI
- /* The root controller has the region information */
- hose = pci_bus_to_hose(0);
-#endif
-
/*
* if PCI_REGION_MEM is set we do a two pass search with preference
* on matches that don't have PCI_REGION_SYS_MEMORY set
@@ -236,6 +231,13 @@ int __pci_hose_phys_to_bus(struct pci_controller *hose,
return 1;
}
+/*
+ * pci_hose_phys_to_bus(): Convert physical address to bus address
+ * @hose: PCI hose of the root PCI controller
+ * @phys_addr: physical address to convert
+ * @flags: flags of pci regions
+ *
+ */
pci_addr_t pci_hose_phys_to_bus(struct pci_controller *hose,
phys_addr_t phys_addr,
unsigned long flags)
@@ -248,11 +250,6 @@ pci_addr_t pci_hose_phys_to_bus(struct pci_controller
*hose,
return bus_addr;
}
-#ifdef CONFIG_DM_PCI
- /* The root controller has the region information */
- hose = pci_bus_to_hose(0);
-#endif
-
/*
* if PCI_REGION_MEM is set we do a two pass search with preference
* on matches that don't have PCI_REGION_SYS_MEMORY set
--
2.1.0.27.g96db324
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