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>
1 parent 1b8b46b commit 05509cd36275c3bedb2218130e24f8ccf5d0cf7c
@Andrey Smirnov Andrey Smirnov authored on 14 Jan 2019
Sascha Hauer committed on 16 Jan 2019
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drivers/pci/pci-tegra.c
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drivers/pci/pci_iomap.c
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drivers/pci/pcie-designware-host.c