linux-kernel - [PATCH 13/13] microblaze/PCI: Moving PCI iounmap and dependent code

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Message-ID: <20221025065214.4663-14-thippeswamy.havalige@amd.com>
Date:   Tue, 25 Oct 2022 12:22:14 +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 13/13] microblaze/PCI: Moving PCI iounmap and dependent code

Moving PCI iounmap function and et all dependent code
to iomap.c.

Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@....com>
---
 arch/microblaze/pci/Makefile     |  2 +-
 arch/microblaze/pci/iomap.c      | 36 ++++++++++++++++++++
 arch/microblaze/pci/pci-common.c | 72 ----------------------------------------
 3 files changed, 37 insertions(+), 73 deletions(-)
 delete mode 100644 arch/microblaze/pci/pci-common.c

diff --git a/arch/microblaze/pci/Makefile b/arch/microblaze/pci/Makefile
index 293b416..f8267d2 100644
--- a/arch/microblaze/pci/Makefile
+++ b/arch/microblaze/pci/Makefile
@@ -3,4 +3,4 @@
 # Makefile
 #
 
-obj-$(CONFIG_PCI)		+= pci-common.o iomap.o
+obj-$(CONFIG_PCI)		+= iomap.o
diff --git a/arch/microblaze/pci/iomap.c b/arch/microblaze/pci/iomap.c
index bde74af..b2ee8ac 100644
--- a/arch/microblaze/pci/iomap.c
+++ b/arch/microblaze/pci/iomap.c
@@ -11,6 +11,42 @@
 #include <linux/io.h>
 #include <asm/pci-bridge.h>
 
+static DEFINE_SPINLOCK(hose_spinlock);
+LIST_HEAD(hose_list);
+
+unsigned long isa_io_base;
+EXPORT_SYMBOL(isa_io_base);
+
+static resource_size_t pcibios_io_size(const struct pci_controller *hose)
+{
+	return resource_size(&hose->io_resource);
+}
+
+int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+	int ret = 0;
+	struct pci_controller *hose;
+	resource_size_t size;
+
+	spin_lock(&hose_spinlock);
+	list_for_each_entry(hose, &hose_list, list_node) {
+		size = pcibios_io_size(hose);
+		if (address >= hose->io_base_virt &&
+		    address < (hose->io_base_virt + size)) {
+			ret = 1;
+			break;
+		}
+	}
+	spin_unlock(&hose_spinlock);
+	return ret;
+}
+
+/* Display the domain number in /proc */
+int pci_proc_domain(struct pci_bus *bus)
+{
+	return pci_domain_nr(bus);
+}
+
 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
 {
 	if (isa_vaddr_is_ioport(addr))
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
deleted file mode 100644
index e5c2051..0000000
--- a/arch/microblaze/pci/pci-common.c
+++ /dev/null
@@ -1,72 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Contains common pci routines for ALL ppc platform
- * (based on pci_32.c and pci_64.c)
- *
- * Port for PPC64 David Engebretsen, IBM Corp.
- * Contains common pci routines for ppc64 platform, pSeries and iSeries brands.
- *
- * Copyright (C) 2003 Anton Blanchard <anton@...ibm.com>, IBM
- *   Rework, based on alpha PCI code.
- *
- * Common pmac/prep/chrp pci routines. -- Cort
- */
-
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/memblock.h>
-#include <linux/mm.h>
-#include <linux/shmem_fs.h>
-#include <linux/list.h>
-#include <linux/syscalls.h>
-#include <linux/irq.h>
-#include <linux/vmalloc.h>
-#include <linux/slab.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/of_pci.h>
-#include <linux/export.h>
-
-#include <asm/processor.h>
-#include <linux/io.h>
-#include <asm/pci-bridge.h>
-#include <asm/byteorder.h>
-
-static DEFINE_SPINLOCK(hose_spinlock);
-LIST_HEAD(hose_list);
-
-unsigned long isa_io_base;
-EXPORT_SYMBOL(isa_io_base);
-
-static resource_size_t pcibios_io_size(const struct pci_controller *hose)
-{
-	return resource_size(&hose->io_resource);
-}
-
-int pcibios_vaddr_is_ioport(void __iomem *address)
-{
-	int ret = 0;
-	struct pci_controller *hose;
-	resource_size_t size;
-
-	spin_lock(&hose_spinlock);
-	list_for_each_entry(hose, &hose_list, list_node) {
-		size = pcibios_io_size(hose);
-		if (address >= hose->io_base_virt &&
-		    address < (hose->io_base_virt + size)) {
-			ret = 1;
-			break;
-		}
-	}
-	spin_unlock(&hose_spinlock);
-	return ret;
-}
-
-/* Display the domain number in /proc */
-int pci_proc_domain(struct pci_bus *bus)
-{
-	return pci_domain_nr(bus);
-}
-- 
1.8.3.1