diff options
Diffstat (limited to 'drivers/iommu/fsl_pamu_domain.c')
| -rw-r--r-- | drivers/iommu/fsl_pamu_domain.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/drivers/iommu/fsl_pamu_domain.c b/drivers/iommu/fsl_pamu_domain.c index b2110767caf4..53380cf1fa45 100644 --- a/drivers/iommu/fsl_pamu_domain.c +++ b/drivers/iommu/fsl_pamu_domain.c @@ -473,53 +473,6 @@ static int update_domain_mapping(struct fsl_dma_domain *dma_domain, u32 wnd_nr) return ret; } -static int disable_domain_win(struct fsl_dma_domain *dma_domain, u32 wnd_nr) -{ - struct device_domain_info *info; - int ret = 0; - - list_for_each_entry(info, &dma_domain->devices, link) { - if (dma_domain->win_cnt == 1 && dma_domain->enabled) { - ret = pamu_disable_liodn(info->liodn); - if (!ret) - dma_domain->enabled = 0; - } else { - ret = pamu_disable_spaace(info->liodn, wnd_nr); - } - } - - return ret; -} - -static void fsl_pamu_window_disable(struct iommu_domain *domain, u32 wnd_nr) -{ - struct fsl_dma_domain *dma_domain = to_fsl_dma_domain(domain); - unsigned long flags; - int ret; - - spin_lock_irqsave(&dma_domain->domain_lock, flags); - if (!dma_domain->win_arr) { - pr_debug("Number of windows not configured\n"); - spin_unlock_irqrestore(&dma_domain->domain_lock, flags); - return; - } - - if (wnd_nr >= dma_domain->win_cnt) { - pr_debug("Invalid window index\n"); - spin_unlock_irqrestore(&dma_domain->domain_lock, flags); - return; - } - - if (dma_domain->win_arr[wnd_nr].valid) { - ret = disable_domain_win(dma_domain, wnd_nr); - if (!ret) { - dma_domain->win_arr[wnd_nr].valid = 0; - dma_domain->mapped--; - } - } - - spin_unlock_irqrestore(&dma_domain->domain_lock, flags); -} static int fsl_pamu_window_enable(struct iommu_domain *domain, u32 wnd_nr, phys_addr_t paddr, u64 size, int prot) @@ -1032,7 +985,6 @@ static const struct iommu_ops fsl_pamu_ops = { .attach_dev = fsl_pamu_attach_device, .detach_dev = fsl_pamu_detach_device, .domain_window_enable = fsl_pamu_window_enable, - .domain_window_disable = fsl_pamu_window_disable, .iova_to_phys = fsl_pamu_iova_to_phys, .domain_set_attr = fsl_pamu_set_domain_attr, .domain_get_attr = fsl_pamu_get_domain_attr, |