Commit b03e5dcb authored by Max Filippov's avatar Max Filippov
Browse files

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: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent 88804e68

arch/xtensa/kernel/pci.c

+0 −32
Original line number Diff line number Diff line
@@ -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.