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xtensa: use generic pcibios_set_master and pcibios_enable_device 

Both functions don't do anything xtensa-specific and there are generic
implementations for both. Drop both and use generic versions.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
This commit is contained in:
Max Filippov 2019-06-16 22:06:19 -07:00
parent 88804e680b
commit b03e5dcb94
1 changed files with 0 additions and 32 deletions
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32
arch/xtensa/kernel/pci.c
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@ -66,38 +66,6 @@ void pcibios_fixup_bus(struct pci_bus *bus)
}
}
void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
}
int pcibios_enable_device(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) {
pci_err(dev, "can't enable device: resource collisions\n");
return -EINVAL;
}
if (r->flags & IORESOURCE_IO)
cmd |= PCI_COMMAND_IO;
if (r->flags & IORESOURCE_MEM)
cmd |= PCI_COMMAND_MEMORY;
}
if (cmd != old_cmd) {
pci_info(dev, "enabling device (%04x -> %04x)\n", old_cmd, cmd);
pci_write_config_word(dev, PCI_COMMAND, cmd);
}
return 0;
}
/*
* Platform support for /proc/bus/pci/X/Y mmap()s.
* -- paulus.