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authorMichael Ellerman <mpe@ellerman.id.au>2024-12-18 13:54:56 +0300
committerMadhavan Srinivasan <maddy@linux.ibm.com>2025-02-26 18:45:08 +0300
commitf026dffd548f8a516e9d00623a454ee5d9349ed6 (patch)
tree37a692903bb09b70e7c6226af950234c8e25bff3 /arch/powerpc/kernel
parentbd4a83428bbd297745a5708ab66377709c4adb46 (diff)
downloadlinux-f026dffd548f8a516e9d00623a454ee5d9349ed6.tar.xz
powerpc: Remove PPC_OF_PLATFORM_PCI
The Cell blade support was the last user of PPC_OF_PLATFORM_PCI, so remove it. Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/20241218105523.416573-8-mpe@ellerman.id.au
Diffstat (limited to 'arch/powerpc/kernel')
-rw-r--r--arch/powerpc/kernel/Makefile2
-rw-r--r--arch/powerpc/kernel/of_platform.c102
2 files changed, 1 insertions, 103 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index f43c1198768c..d6febd297e72 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -70,7 +70,7 @@ obj-y := cputable.o syscalls.o switch.o \
signal.o sysfs.o cacheinfo.o time.o \
prom.o traps.o setup-common.o \
udbg.o misc.o io.o misc_$(BITS).o \
- of_platform.o prom_parse.o firmware.o \
+ prom_parse.o firmware.o \
hw_breakpoint_constraints.o interrupt.o \
kdebugfs.o stacktrace.o syscall.o
obj-y += ptrace/
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c
deleted file mode 100644
index adc76fa58d1e..000000000000
--- a/arch/powerpc/kernel/of_platform.c
+++ /dev/null
@@ -1,102 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
- * <benh@kernel.crashing.org>
- * and Arnd Bergmann, IBM Corp.
- */
-
-#undef DEBUG
-
-#include <linux/string.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/export.h>
-#include <linux/mod_devicetable.h>
-#include <linux/pci.h>
-#include <linux/platform_device.h>
-#include <linux/atomic.h>
-
-#include <asm/errno.h>
-#include <asm/topology.h>
-#include <asm/pci-bridge.h>
-#include <asm/ppc-pci.h>
-#include <asm/eeh.h>
-
-#ifdef CONFIG_PPC_OF_PLATFORM_PCI
-
-/* The probing of PCI controllers from of_platform is currently
- * 64 bits only, mostly due to gratuitous differences between
- * the 32 and 64 bits PCI code on PowerPC and the 32 bits one
- * lacking some bits needed here.
- */
-
-static int of_pci_phb_probe(struct platform_device *dev)
-{
- struct pci_controller *phb;
-
- /* Check if we can do that ... */
- if (ppc_md.pci_setup_phb == NULL)
- return -ENODEV;
-
- pr_info("Setting up PCI bus %pOF\n", dev->dev.of_node);
-
- /* Alloc and setup PHB data structure */
- phb = pcibios_alloc_controller(dev->dev.of_node);
- if (!phb)
- return -ENODEV;
-
- /* Setup parent in sysfs */
- phb->parent = &dev->dev;
-
- /* Setup the PHB using arch provided callback */
- if (ppc_md.pci_setup_phb(phb)) {
- pcibios_free_controller(phb);
- return -ENODEV;
- }
-
- /* Process "ranges" property */
- pci_process_bridge_OF_ranges(phb, dev->dev.of_node, 0);
-
- /* Init pci_dn data structures */
- pci_devs_phb_init_dynamic(phb);
-
- /* Create EEH PE for the PHB */
- eeh_phb_pe_create(phb);
-
- /* Scan the bus */
- pcibios_scan_phb(phb);
- if (phb->bus == NULL)
- return -ENXIO;
-
- /* Claim resources. This might need some rework as well depending
- * whether we are doing probe-only or not, like assigning unassigned
- * resources etc...
- */
- pcibios_claim_one_bus(phb->bus);
-
- /* Add probed PCI devices to the device model */
- pci_bus_add_devices(phb->bus);
-
- return 0;
-}
-
-static const struct of_device_id of_pci_phb_ids[] = {
- { .type = "pci", },
- { .type = "pcix", },
- { .type = "pcie", },
- { .type = "pciex", },
- { .type = "ht", },
- {}
-};
-
-static struct platform_driver of_pci_phb_driver = {
- .probe = of_pci_phb_probe,
- .driver = {
- .name = "of-pci",
- .of_match_table = of_pci_phb_ids,
- },
-};
-
-builtin_platform_driver(of_pci_phb_driver);
-
-#endif /* CONFIG_PPC_OF_PLATFORM_PCI */