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microblaze/PCI: Remove unused allocation & free of PCI host bridge structure

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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>
This commit is contained in:
Thippeswamy Havalige 2022-10-25 12:22:07 +05:30 committed by Michal Simek
parent 3d6010ec09
commit 4308e3c9e1
3 changed files with 0 additions and 40 deletions
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5
arch/microblaze/include/asm/pci-bridge.h
View file

@ -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 */

29
arch/microblaze/pci/pci-common.c
View file

@ -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);

6
arch/microblaze/pci/xilinx_pci.c
View file

@ -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,