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Rob Herring authored
We have compile time over-ride of ioremap and iounmap, but an run-time override is needed for multi-platform builds. This adds an extra function pointer check, but ioremap is not peformance critical. The option for compile time selection remains. The caller variant is used here to provide correct caller information as ARM can only support level 0 for __builtin_return_address. Signed-off-by:
Rob Herring <rob.herring@calxeda.com> Cc: Russell King <linux@arm.linux.org.uk> Reviewed-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
Nicolas Pitre <nico@linaro.org>
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