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H A D | sleep.c | diff d551d81d6a720542873f478def60baab6b5df403 Wed Jan 19 22:27:55 CET 2011 Rafael J. Wysocki <rjw@sisk.pl> ACPI / PM: Call suspend_nvs_free() earlier during resume
It turns out that some device drivers map pages from the ACPI NVS region during resume using ioremap(), which conflicts with ioremap_cache() used for mapping those pages by the NVS save/restore code in nvs.c.
Make the NVS pages mapped by the code in nvs.c be unmapped before device drivers' resume routines run.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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