Michel Lespinasse
cb88759107
firmware: google memconsole driver fixes ...
The google memconsole driver is currently broken upstream, as it tries
to read memory that is described as reserved in /proc/iomem, by
dereferencing a pointer obtained through phys_to_virt(). This triggers
a kernel fault as such regions are unmapped after early boot.
The proper workaround is to use ioremap_cache() / iounmap() around such
accesses.
As some unrelated changes, I also converted some printks to use pr_info()
and added some missing __init annotations.
Tested: booted dbg build, verified I could read /sys/firmware/log
Signed-off-by: Michel Lespinasse <walken@google.com>
Acked-by: Mike Waychison <mikew@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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cb88759107