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I got the following error on MIPS Cobalt.
PCI: Unable to reserve I/O region #1:8@f00001f0 for device 0000:00:09.1
pata_via 0000:00:09.1: failed to request/iomap BARs for port 0 (errno=-16)
PCI: Unable to reserve I/O region #3:8@f0000170 for device 0000:00:09.1
pata_via 0000:00:09.1: failed to request/iomap BARs for port 1 (errno=-16)
pata_via 0000:00:09.1: no available native port
The legacy mode IDE resources set the following order.
pci_setup_device()
Legacy mode ATA controllers have fixed addresses.
IDE resources: 0x1F0-0x1F7, 0x3F6, 0x170-0x177, 0x376
|
V
pcibios_fixup_bus()
MIPS Cobalt PCI bus regions have the -0x10000000 offset from PCI resources.
pcibios_fixup_bus() fix PCI bus regions.
0x1F0 - 0x10000000 = 0xF00001F0
|
V
ata_pci_init_one()
PCI: Unable to reserve I/O region #1:8@f00001f0 for device 0000:00:09.1
In some architectures, PCI bus regions have the offset from PCI resources.
For this reason, pci_setup_device() should set PCI bus regions to
dev->resource[].
[akpm@linux-foundation.org: use struct initialiser]
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Greg KH <greg@kroah.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
fd6e732186