diff options
| author | Thippeswamy Havalige <thippeswamy.havalige@amd.com> | 2022-10-25 12:22:03 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@amd.com> | 2022-11-25 11:39:22 +0100 |
| commit | fe2b509768a4bf128428f206eda4cfab6735da9d (patch) | |
| tree | c13ad4f3a155c7fd4a233feaa31a16ffa5af7ca8 /arch/microblaze | |
| parent | 68db4e9e5fcd3509cbd7f6bdc226ee761c140a24 (diff) | |
| download | linux-fe2b509768a4bf128428f206eda4cfab6735da9d.tar.bz2 | |
microblaze/PCI: Remove Null PCI config access unused functions
Remove unused NULL_PCI_OP config access functions, for the case when
we can't find a hose.
Remove unused EARLY_PCI_OP and other declarations.
Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com>
Link: https://lore.kernel.org/r/20221025065214.4663-3-thippeswamy.havalige@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/pci/pci-common.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 69ce51c7a84c..58397cf57f6a 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -996,67 +996,3 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) return result; } - -/* - * Null PCI config access functions, for the case when we can't - * find a hose. - */ -#define NULL_PCI_OP(rw, size, type) \ -static int \ -null_##rw##_config_##size(struct pci_dev *dev, int offset, type val) \ -{ \ - return PCIBIOS_DEVICE_NOT_FOUND; \ -} - -static int -null_read_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) -{ - return PCIBIOS_DEVICE_NOT_FOUND; -} - -static int -null_write_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) -{ - return PCIBIOS_DEVICE_NOT_FOUND; -} - -static struct pci_ops null_pci_ops = { - .read = null_read_config, - .write = null_write_config, -}; - -/* - * These functions are used early on before PCI scanning is done - * and all of the pci_dev and pci_bus structures have been created. - */ -static struct pci_bus * -fake_pci_bus(struct pci_controller *hose, int busnr) -{ - static struct pci_bus bus; - - if (!hose) - pr_err("Can't find hose for PCI bus %d!\n", busnr); - - bus.number = busnr; - bus.sysdata = hose; - bus.ops = hose ? hose->ops : &null_pci_ops; - return &bus; -} - -#define EARLY_PCI_OP(rw, size, type) \ -int early_##rw##_config_##size(struct pci_controller *hose, int bus, \ - int devfn, int offset, type value) \ -{ \ - return pci_bus_##rw##_config_##size(fake_pci_bus(hose, bus), \ - devfn, offset, value); \ -} - -EARLY_PCI_OP(read, byte, u8 *) -EARLY_PCI_OP(read, word, u16 *) -EARLY_PCI_OP(read, dword, u32 *) -EARLY_PCI_OP(write, byte, u8) -EARLY_PCI_OP(write, word, u16) -EARLY_PCI_OP(write, dword, u32) - |