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author | Bjorn Helgaas <bhelgaas@google.com> | 2018-05-22 07:56:05 -0500 |
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committer | Bjorn Helgaas <helgaas@kernel.org> | 2018-05-22 07:56:05 -0500 |
commit | 99efbb86de888192e51c10273685193703bb6828 (patch) | |
tree | b6030d84b90f1cf9781a747ec27227f4b8b18d7b /arch/xtensa | |
parent | 59f2d3d3e60033f26b0710e0c4701edef2eedc1a (diff) | |
download | linux-stable-99efbb86de888192e51c10273685193703bb6828.tar.gz linux-stable-99efbb86de888192e51c10273685193703bb6828.tar.bz2 linux-stable-99efbb86de888192e51c10273685193703bb6828.zip |
xtensa/PCI: Remove dead code
Remove the following unused functions:
pcibios_enable_resources()
pcibios_alloc_controller()
pci_controller_num()
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/xtensa')
-rw-r--r-- | arch/xtensa/include/asm/pci.h | 2 | ||||
-rw-r--r-- | arch/xtensa/kernel/pci.c | 59 |
2 files changed, 0 insertions, 61 deletions
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h index d5a82153a7c5..a94d4b281f4c 100644 --- a/arch/xtensa/include/asm/pci.h +++ b/arch/xtensa/include/asm/pci.h @@ -20,8 +20,6 @@ #define pcibios_assign_all_busses() 0 -extern struct pci_controller* pcibios_alloc_controller(void); - /* Assume some values. (We should revise them, if necessary) */ #define PCIBIOS_MIN_IO 0x2000 diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c index b7c7a60c7000..d451b4f5b1e0 100644 --- a/arch/xtensa/kernel/pci.c +++ b/arch/xtensa/kernel/pci.c @@ -80,50 +80,6 @@ pcibios_align_resource(void *data, const struct resource *res, return start; } -int -pcibios_enable_resources(struct pci_dev *dev, int mask) -{ - u16 cmd, old_cmd; - int idx; - struct resource *r; - - pci_read_config_word(dev, PCI_COMMAND, &cmd); - old_cmd = cmd; - for(idx=0; idx<6; idx++) { - r = &dev->resource[idx]; - if (!r->start && r->end) { - pr_err("PCI: Device %s not available because " - "of resource collisions\n", pci_name(dev)); - return -EINVAL; - } - if (r->flags & IORESOURCE_IO) - cmd |= PCI_COMMAND_IO; - if (r->flags & IORESOURCE_MEM) - cmd |= PCI_COMMAND_MEMORY; - } - if (dev->resource[PCI_ROM_RESOURCE].start) - cmd |= PCI_COMMAND_MEMORY; - if (cmd != old_cmd) { - pr_info("PCI: Enabling device %s (%04x -> %04x)\n", - pci_name(dev), old_cmd, cmd); - pci_write_config_word(dev, PCI_COMMAND, cmd); - } - return 0; -} - -struct pci_controller * __init pcibios_alloc_controller(void) -{ - struct pci_controller *pci_ctrl; - - pci_ctrl = (struct pci_controller *)alloc_bootmem(sizeof(*pci_ctrl)); - memset(pci_ctrl, 0, sizeof(struct pci_controller)); - - *pci_ctrl_tail = pci_ctrl; - pci_ctrl_tail = &pci_ctrl->next; - - return pci_ctrl; -} - static void __init pci_controller_apertures(struct pci_controller *pci_ctrl, struct list_head *resources) { @@ -241,21 +197,6 @@ int pcibios_enable_device(struct pci_dev *dev, int mask) return 0; } -#ifdef CONFIG_PROC_FS - -/* - * Return the index of the PCI controller for device pdev. - */ - -int -pci_controller_num(struct pci_dev *dev) -{ - struct pci_controller *pci_ctrl = (struct pci_controller*) dev->sysdata; - return pci_ctrl->index; -} - -#endif /* CONFIG_PROC_FS */ - /* * Platform support for /proc/bus/pci/X/Y mmap()s. * -- paulus. |