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authorThippeswamy Havalige <thippeswamy.havalige@amd.com>2022-10-25 09:52:07 +0300
committerMichal Simek <michal.simek@amd.com>2022-11-25 13:39:22 +0300
commit4308e3c9e1ea9112865b10ed83c03b8d5d81aa32 (patch)
tree91d56d85d29571a99cf8198888c17d910d8c3eb0 /arch/microblaze
parent3d6010ec098bbbe28e35f8a487e04ba02ce6bbe3 (diff)
downloadlinux-4308e3c9e1ea9112865b10ed83c03b8d5d81aa32.tar.xz
microblaze/PCI: Remove unused allocation & free of PCI host bridge structure
Remove unused allocation and freeing of PCI host bridge structure. Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com> Link: https://lore.kernel.org/r/20221025065214.4663-7-thippeswamy.havalige@amd.com Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'arch/microblaze')
-rw-r--r--arch/microblaze/include/asm/pci-bridge.h5
-rw-r--r--arch/microblaze/pci/pci-common.c29
-rw-r--r--arch/microblaze/pci/xilinx_pci.c6
3 files changed, 0 insertions, 40 deletions
diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h
index 252bcc14c863..018c632abcf8 100644
--- a/arch/microblaze/include/asm/pci-bridge.h
+++ b/arch/microblaze/include/asm/pci-bridge.h
@@ -25,7 +25,6 @@ static inline int pcibios_vaddr_is_ioport(void __iomem *address)
*/
struct pci_controller {
struct pci_bus *bus;
- char is_dynamic;
struct device_node *dn;
struct list_head list_node;
struct device *parent;
@@ -98,9 +97,5 @@ extern void setup_indirect_pci(struct pci_controller *hose,
resource_size_t cfg_addr,
resource_size_t cfg_data, u32 flags);
-/* Allocate & free a PCI host bridge structure */
-extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev);
-extern void pcibios_free_controller(struct pci_controller *phb);
-
#endif /* __KERNEL__ */
#endif /* _ASM_MICROBLAZE_PCI_BRIDGE_H */
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 12764df0472e..2965892d05f8 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -38,9 +38,6 @@
static DEFINE_SPINLOCK(hose_spinlock);
LIST_HEAD(hose_list);
-/* XXX kill that some day ... */
-static int global_phb_number; /* Global phb counter */
-
/* ISA Memory physical address */
resource_size_t isa_mem_base;
@@ -49,32 +46,6 @@ EXPORT_SYMBOL(isa_io_base);
static int pci_bus_count;
-struct pci_controller *pcibios_alloc_controller(struct device_node *dev)
-{
- struct pci_controller *phb;
-
- phb = zalloc_maybe_bootmem(sizeof(struct pci_controller), GFP_KERNEL);
- if (!phb)
- return NULL;
- spin_lock(&hose_spinlock);
- phb->global_number = global_phb_number++;
- list_add_tail(&phb->list_node, &hose_list);
- spin_unlock(&hose_spinlock);
- phb->dn = dev;
- phb->is_dynamic = mem_init_done;
- return phb;
-}
-
-void pcibios_free_controller(struct pci_controller *phb)
-{
- spin_lock(&hose_spinlock);
- list_del(&phb->list_node);
- spin_unlock(&hose_spinlock);
-
- if (phb->is_dynamic)
- kfree(phb);
-}
-
static resource_size_t pcibios_io_size(const struct pci_controller *hose)
{
return resource_size(&hose->io_resource);
diff --git a/arch/microblaze/pci/xilinx_pci.c b/arch/microblaze/pci/xilinx_pci.c
index f1a51129b94c..3fa16e3c8e48 100644
--- a/arch/microblaze/pci/xilinx_pci.c
+++ b/arch/microblaze/pci/xilinx_pci.c
@@ -97,12 +97,6 @@ void __init xilinx_pci_init(void)
return;
}
- hose = pcibios_alloc_controller(pci_node);
- if (!hose) {
- pr_err("xilinx-pci: pcibios_alloc_controller() failed\n");
- return;
- }
-
/* Setup config space */
setup_indirect_pci(hose, r.start + XPLB_PCI_ADDR,
r.start + XPLB_PCI_DATA,