Commit 5cfe469c authored by Thippeswamy Havalige's avatar Thippeswamy Havalige Committed by Michal Simek
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microblaze/PCI: Moving PCI iounmap and dependent code 



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

Signed-off-by: default avatarThippeswamy Havalige <thippeswamy.havalige@amd.com>
Link: https://lore.kernel.org/r/20221025065214.4663-14-thippeswamy.havalige@amd.com


Signed-off-by: default avatarMichal Simek <michal.simek@amd.com>
parent 41604bfd

arch/microblaze/pci/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -3,4 +3,4 @@ 
# Makefile

#



obj-$(CONFIG_PCI)		+= pci-common.o iomap.o
 
obj-$(CONFIG_PCI)		+= iomap.o

arch/microblaze/pci/iomap.c

+36 −0
Original line number Diff line number Diff line
@@ -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))

arch/microblaze/pci/pci-common.c

deleted100644 → 0
+0 −72
Original line number Diff line number Diff line 
// 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);

}