PCI: Assume 1:1 mapping if .res_start callback is NULL ...

Save a bit of no-op boilerplate by converting pci_iomap() to treat
absense of .res_start callback as an indicator that 1:1 mapping is
being used.

Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

PCI: Drop "ops" from struct pci_bus ...

Drop "ops" from struct pci_bus, since the same struct can be accessed
via host->pci_ops. No functional change intended.

Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

PCI: initial commit ...

used shorten version of linux-2.6.39 pci_ids.h

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>