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microblaze/PCI: Moving PCI iounmap and dependent code

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

Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com>
Link: https://lore.kernel.org/r/20221025065214.4663-14-thippeswamy.havalige@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
This commit is contained in:
Thippeswamy Havalige 2022-10-25 12:22:14 +05:30 committed by Michal Simek
parent 41604bfdc9
commit 5cfe469c26
3 changed files with 37 additions and 73 deletions
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2
arch/microblaze/pci/Makefile
View File

@ -3,4 +3,4 @@
# Makefile
#
obj-$(CONFIG_PCI) += pci-common.o iomap.o
obj-$(CONFIG_PCI) += iomap.o

36
arch/microblaze/pci/iomap.c
View File

@ -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))

72
arch/microblaze/pci/pci-common.c
View File

@ -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@au.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);
}