linux-kernel - [PATCH 11/13] microblaze/PCI: Remove unused pci_iobar

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Date:   Tue, 25 Oct 2022 12:22:12 +0530
From:   Thippeswamy Havalige <thippeswamy.havalige@....com>
To:     <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <krzysztof.kozlowski@...aro.org>
CC:     <bhelgaas@...gle.com>, <michals@...inx.com>, <robh+dt@...nel.org>,
        <lorenzo.pieralisi@....com>, <bharat.kumar.gogada@....com>,
        "Thippeswamy Havalige" <thippeswamy.havalige@....com>
Subject: [PATCH 11/13] microblaze/PCI: Remove unused pci_iobar_pfn() and et al declarations

Remove unused pci_iobar_pfn() and et al declarations.

Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@....com>
---
 arch/microblaze/include/asm/pci-bridge.h |  2 --
 arch/microblaze/include/asm/pci.h        |  3 ---
 arch/microblaze/pci/pci-common.c         | 19 -------------------
 3 files changed, 24 deletions(-)

diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h
index 9c89ae4..5db2c66 100644
--- a/arch/microblaze/include/asm/pci-bridge.h
+++ b/arch/microblaze/include/asm/pci-bridge.h
@@ -27,10 +27,8 @@ struct pci_controller {
 	struct pci_bus *bus;
 	struct device_node *dn;
 	struct list_head list_node;
-	struct device *parent;
 
 	void __iomem *io_base_virt;
-	resource_size_t io_base_phys;
 
 	/* Currently, we limit ourselves to 1 IO range and 3 mem
 	 * ranges since the common pci_bus structure can't handle more
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index 52d572d..a75bf3b 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -32,12 +32,9 @@
 /* Decide whether to display the domain number in /proc */
 extern int pci_proc_domain(struct pci_bus *bus);
 
-struct vm_area_struct;
-
 /* Tell PCI code what kind of PCI resource mappings we support */
 #define HAVE_PCI_MMAP			1
 #define ARCH_GENERIC_PCI_MMAP_RESOURCE	1
-#define arch_can_pci_mmap_io()		1
 
 struct file;
 
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index a1de853..e5c2051 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -65,25 +65,6 @@ int pcibios_vaddr_is_ioport(void __iomem *address)
 	return ret;
 }
 
-/*
- * Platform support for /proc/bus/pci/X/Y mmap()s.
- */
-
-int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma)
-{
-	struct pci_controller *hose = pci_bus_to_host(pdev->bus);
-	resource_size_t ioaddr = pci_resource_start(pdev, bar);
-
-	if (!hose)
-		return -EINVAL;		/* should never happen */
-
-	/* Convert to an offset within this PCI controller */
-	ioaddr -= (unsigned long)hose->io_base_virt - _IO_BASE;
-
-	vma->vm_pgoff += (ioaddr + hose->io_base_phys) >> PAGE_SHIFT;
-	return 0;
-}
-
 /* Display the domain number in /proc */
 int pci_proc_domain(struct pci_bus *bus)
 {
-- 
1.8.3.1