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author | Thippeswamy Havalige <thippeswamy.havalige@amd.com> | 2022-10-25 09:52:02 +0300 |
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committer | Michal Simek <michal.simek@amd.com> | 2022-11-25 13:39:22 +0300 |
commit | 68db4e9e5fcd3509cbd7f6bdc226ee761c140a24 (patch) | |
tree | cd3c11d61c1ebb76c46d219ea7cef3266b6a10bc | |
parent | 9abf2313adc1ca1b6180c508c25f22f9395cc780 (diff) | |
download | linux-68db4e9e5fcd3509cbd7f6bdc226ee761c140a24.tar.xz |
microblaze/PCI: Remove unused early_read_config_byte() et al declarations
early_read_config_byte() and similar are declared but never defined.
Remove the unused declarations.
Signed-off-by: Thippeswamy Havalige <thippeswamy.havalige@amd.com>
Link: https://lore.kernel.org/r/20221025065214.4663-2-thippeswamy.havalige@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>
-rw-r--r-- | arch/microblaze/include/asm/pci-bridge.h | 18 | ||||
-rw-r--r-- | arch/microblaze/pci/pci-common.c | 5 | ||||
-rw-r--r-- | arch/microblaze/pci/xilinx_pci.c | 48 |
3 files changed, 0 insertions, 71 deletions
diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h index 171b40a2d905..a9d3940879c1 100644 --- a/arch/microblaze/include/asm/pci-bridge.h +++ b/arch/microblaze/include/asm/pci-bridge.h @@ -103,24 +103,6 @@ static inline int isa_vaddr_is_ioport(void __iomem *address) } #endif /* CONFIG_PCI */ -/* These are used for config access before all the PCI probing - has been done. */ -extern int early_read_config_byte(struct pci_controller *hose, int bus, - int dev_fn, int where, u8 *val); -extern int early_read_config_word(struct pci_controller *hose, int bus, - int dev_fn, int where, u16 *val); -extern int early_read_config_dword(struct pci_controller *hose, int bus, - int dev_fn, int where, u32 *val); -extern int early_write_config_byte(struct pci_controller *hose, int bus, - int dev_fn, int where, u8 val); -extern int early_write_config_word(struct pci_controller *hose, int bus, - int dev_fn, int where, u16 val); -extern int early_write_config_dword(struct pci_controller *hose, int bus, - int dev_fn, int where, u32 val); - -extern int early_find_capability(struct pci_controller *hose, int bus, - int dev_fn, int cap); - extern void setup_indirect_pci(struct pci_controller *hose, resource_size_t cfg_addr, resource_size_t cfg_data, u32 flags); diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c index 33bab7eec731..69ce51c7a84c 100644 --- a/arch/microblaze/pci/pci-common.c +++ b/arch/microblaze/pci/pci-common.c @@ -1060,8 +1060,3 @@ EARLY_PCI_OP(write, byte, u8) EARLY_PCI_OP(write, word, u16) EARLY_PCI_OP(write, dword, u32) -int early_find_capability(struct pci_controller *hose, int bus, int devfn, - int cap) -{ - return pci_bus_find_capability(fake_pci_bus(hose, bus), devfn, cap); -} diff --git a/arch/microblaze/pci/xilinx_pci.c b/arch/microblaze/pci/xilinx_pci.c index f4cb86fffcee..7ed664723f7c 100644 --- a/arch/microblaze/pci/xilinx_pci.c +++ b/arch/microblaze/pci/xilinx_pci.c @@ -76,44 +76,6 @@ xilinx_pci_exclude_device(struct pci_controller *hose, u_char bus, u8 devfn) { return (bus != 0); } - -/** - * xilinx_early_pci_scan - List pci config space for available devices - * - * List pci devices in very early phase. - */ -static void __init xilinx_early_pci_scan(struct pci_controller *hose) -{ - u32 bus = 0; - u32 val, dev, func, offset; - - /* Currently we have only 2 device connected - up-to 32 devices */ - for (dev = 0; dev < 2; dev++) { - /* List only first function number - up-to 8 functions */ - for (func = 0; func < 1; func++) { - pr_info("%02x:%02x:%02x", bus, dev, func); - /* read the first 64 standardized bytes */ - /* Up-to 192 bytes can be list of capabilities */ - for (offset = 0; offset < 64; offset += 4) { - early_read_config_dword(hose, bus, - PCI_DEVFN(dev, func), offset, &val); - if (offset == 0 && val == 0xFFFFFFFF) { - pr_cont("\nABSENT"); - break; - } - if (!(offset % 0x10)) - pr_cont("\n%04x: ", offset); - - pr_cont("%08x ", val); - } - pr_info("\n"); - } - } -} -#else -static void __init xilinx_early_pci_scan(struct pci_controller *hose) -{ -} #endif /** @@ -146,15 +108,6 @@ void __init xilinx_pci_init(void) r.start + XPLB_PCI_DATA, INDIRECT_TYPE_SET_CFG_TYPE); - /* According to the xilinx plbv46_pci documentation the soft-core starts - * a self-init when the bus master enable bit is set. Without this bit - * set the pci bus can't be scanned. - */ - early_write_config_word(hose, 0, 0, PCI_COMMAND, PCI_HOST_ENABLE_CMD); - - /* Set the max latency timer to 255 */ - early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0xff); - /* Set the max bus number to 255, and bus/subbus no's to 0 */ pci_reg = of_iomap(pci_node, 0); WARN_ON(!pci_reg); @@ -166,5 +119,4 @@ void __init xilinx_pci_init(void) INDIRECT_TYPE_SET_CFG_TYPE); pr_info("xilinx-pci: Registered PCI host bridge\n"); - xilinx_early_pci_scan(hose); } |