iommu/ipmmu-vmsa: Fix IOMMU lookup when multiple IOMMUs are registered

Browse source

When adding a new device the driver loops over all registered IOMMUs and
calls the ipmmu_find_utlbs() function to parse the DT iommus attribute.
The function returns an error when the IOMMU referenced in DT doesn't
match the current IOMMU. The caller incorrectly breaks from the loop
immediately when the error is reported, resulting in only the first
IOMMU being considered.

Fix this, and while at it move code that isn't specific to an IOMMU
instance out of the loop.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

...

This commit is contained in:

Laurent Pinchart 2015-01-24 23:13:50 +02:00 • committed by Joerg Roedel

parent f20ed39f53

commit bb590c9011

1 changed files with 21 additions and 28 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

49

drivers/iommu/ipmmu-vmsa.c

View file