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3 Commits

Author SHA1 Message Date
Hiroshi DOYU 8f53dc724a iommu/tegra: smmu: Fix unsleepable memory allocation 
allo_pdir() is called in smmu_iommu_domain_init() with spin_lock
held. memory allocations in it have to be atomic/unsleepable.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Reported-by: Chris Wright <chrisw@sous-sol.org>
Acked-by: Chris Wright <chrisw@sous-sol.org>
Cc: stable@vger.kernel.org
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2012-07-02 11:56:44 +02:00
Hiroshi DOYU 907309176f iommu/tegra: smmu: Print device name correctly 
Print an attached device name correctly.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2012-04-16 12:52:41 +02:00
Hiroshi DOYU 7a31f6f48b ARM: IOMMU: Tegra30: Add iommu_ops for SMMU driver 
Tegra 30 IOMMU H/W, SMMU (System Memory Management Unit). This patch
implements struct iommu_ops for SMMU for the upper IOMMU API.

This H/W module supports multiple virtual address spaces(domain x4),
and manages 2 level H/W translation pagetable.

Signed-off-by: Hiroshi DOYU <hdoyu@nvidia.com>
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
 2012-01-26 13:59:02 +01:00