From: Thierry Reding <[email protected]> The aperture of the domain should always be available, otherwise drivers need to attach first before they can use the aperture geometry.
Cc: Hiroshi Doyu <[email protected]> Signed-off-by: Thierry Reding <[email protected]> --- drivers/iommu/tegra-gart.c | 25 ++++++++++++++----------- 1 file changed, 14 insertions(+), 11 deletions(-) diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c index c48da057dbb1..5f3b68c26b83 100644 --- a/drivers/iommu/tegra-gart.c +++ b/drivers/iommu/tegra-gart.c @@ -156,20 +156,10 @@ static inline bool gart_iova_range_valid(struct gart_device *gart, static int gart_iommu_attach_dev(struct iommu_domain *domain, struct device *dev) { - struct gart_device *gart; + struct gart_device *gart = domain->priv; struct gart_client *client, *c; int err = 0; - gart = gart_handle; - if (!gart) - return -EINVAL; - domain->priv = gart; - - domain->geometry.aperture_start = gart->iovmm_base; - domain->geometry.aperture_end = gart->iovmm_base + - gart->page_count * GART_PAGE_SIZE - 1; - domain->geometry.force_aperture = true; - client = devm_kzalloc(gart->dev, sizeof(*c), GFP_KERNEL); if (!client) return -ENOMEM; @@ -218,6 +208,19 @@ out: static int gart_iommu_domain_init(struct iommu_domain *domain) { + struct gart_device *gart; + + gart = gart_handle; + if (!gart) + return -EINVAL; + + domain->priv = gart; + + domain->geometry.aperture_start = gart->iovmm_base; + domain->geometry.aperture_end = gart->iovmm_base + + gart->page_count * GART_PAGE_SIZE - 1; + domain->geometry.force_aperture = true; + return 0; } -- 2.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
