iommu/omap: Fix 'no page for' debug message in flush_iotlb_page()
The flush_iotlb_page() function prints a debug message when no
corresponding page was found in the TLB. That condition is incorrectly
checked and always resolves to true, given that the for_each_iotlb_cr()
loop is never interrupted and always reaches obj->nr_tlb_entries.
Given that we can't have two TLB entries for the same VA, break from the
loop when a match is found.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Suman Anna <s-anna@ti.com>
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 78f32d1..b5787f1 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -394,6 +394,7 @@
__func__, start, da, bytes);
iotlb_load_cr(obj, &cr);
iommu_write_reg(obj, 1, MMU_FLUSH_ENTRY);
+ break;
}
}
pm_runtime_put_sync(obj->dev);