static void sysmmu_tlb_invalidate_flpdcache(struct device *dev,
sysmmu_iova_t iova)
{
unsigned long flags;
struct exynos_iommu_owner *owner = dev->archdata.iommu;
struct sysmmu_drvdata *data = dev_get_drvdata(owner->sysmmu);
if (!IS_ERR(data->clk_master))
clk_enable(data->clk_master);
spin_lock_irqsave(&data->lock, flags);
if (is_sysmmu_active(data))
__sysmmu_tlb_invalidate_flpdcache(data, iova);
spin_unlock_irqrestore(&data->lock, flags);
if (!IS_ERR(data->clk_master))
clk_disable(data->clk_master);
}
void sysmmu_tlb_invalidate_flpdcache(struct device *dev, dma_addr_t iova)
{
struct sysmmu_list_data *list;
for_each_sysmmu_list(dev, list) {
unsigned long flags;
struct sysmmu_drvdata *drvdata = dev_get_drvdata(list->sysmmu);
spin_lock_irqsave(&drvdata->lock, flags);
if (is_sysmmu_active(drvdata) && drvdata->runtime_active) {
TRACE_LOG_DEV(drvdata->sysmmu,
"FLPD invalidation @ %#x\n", iova);
__master_clk_enable(drvdata);
__sysmmu_tlb_invalidate_flpdcache(
drvdata->sfrbase, iova);
__master_clk_disable(drvdata);
} else {
TRACE_LOG_DEV(drvdata->sysmmu,
"Skip FLPD invalidation @ %#x\n", iova);
}
spin_unlock_irqrestore(&drvdata->lock, flags);
}
