omap: iommu: Gracefully fail iommu_enable if no arch_iommu is registered

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In a modular build of the iommu code it's possible that the arch iommu code
isn't loaded when trying to enable the iommu. Instead of blindly following a
null pointer return -NODEV in that case.

Signed-off-by: Martin Hostettler <martin@neutronstar.dyndns.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>

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Martin Hostettler 2011-02-24 12:51:31 -08:00 • committed by Tony Lindgren

parent 7cab8713b1

commit ef4815ab1f

1 changed files with 3 additions and 0 deletions

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arch/arm/plat-omap/iommu.c

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