iommu/ipmmu-vmsa: Prepare to handle 40-bit error addresses

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On R-Car Gen3, the faulting virtual address is a 40-bit address, and
comprised of two registers.  Read the upper address part, and combine
both parts, when running on a 64-bit system.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Tested-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Geert Uytterhoeven 2019-05-27 13:52:49 +02:00 • committed by Joerg Roedel

parent 80eaa9f558

commit 82576aa8af

1 changed files with 9 additions and 6 deletions

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drivers/iommu/ipmmu-vmsa.c

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