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[7/8] MIPS: pci-legacy: remove busn_resource field

Message ID 20210413062146.389690-8-ilya.lipnitskiy@gmail.com (mailing list archive)
State Superseded
Headers show
Series MIPS: Fixes for PCI legacy drivers (rt2880, rt3883) | expand

Commit Message

Ilya Lipnitskiy April 13, 2021, 6:21 a.m. UTC 
No drivers set the busn_resource field in the pci_controller struct.
Commit 7ee214b540d9 ("MIPS: PCI: Remove unused busn_offset") almost
removed it over 3 years ago. Remove it for good to free up memory and
eliminate messages like:
  pci_bus 0000:00: root bus resource [??? 0x00000000 flags 0x0]

Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
---
 arch/mips/include/asm/pci.h | 1 -
 arch/mips/pci/pci-legacy.c  | 1 -
 2 files changed, 2 deletions(-)
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Patch

diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 6f48649201c5..9ffc8192adae 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -38,7 +38,6 @@  struct pci_controller {
 	struct resource *io_resource;
 	unsigned long io_offset;
 	unsigned long io_map_base;
-	struct resource *busn_resource;
 
 #ifndef CONFIG_PCI_DOMAINS_GENERIC
 	unsigned int index;
diff --git a/arch/mips/pci/pci-legacy.c b/arch/mips/pci/pci-legacy.c
index ec3f52ade72d..78c22987bef0 100644
--- a/arch/mips/pci/pci-legacy.c
+++ b/arch/mips/pci/pci-legacy.c
@@ -89,7 +89,6 @@  static void pcibios_scanbus(struct pci_controller *hose)
 				hose->mem_resource, hose->mem_offset);
 	pci_add_resource_offset(&resources,
 				hose->io_resource, hose->io_offset);
-	pci_add_resource(&resources, hose->busn_resource);
 	list_splice_init(&resources, &bridge->windows);
 	bridge->dev.parent = NULL;
 	bridge->sysdata = hose;