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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2014-03-08 02:47:03 +0400 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2014-04-16 18:30:16 +0400 |
| commit | f7129a0e4d5835b7851208d35984bc80116f1ed0 (patch) | |
| tree | ff4e5845305decc5cd450b36a9d1069252540dbb /drivers/iommu/omap-iommu.c | |
| parent | 5acc97db94321343f42866f2da90c3b02095c374 (diff) | |
| download | linux-f7129a0e4d5835b7851208d35984bc80116f1ed0.tar.xz | |
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>
Diffstat (limited to 'drivers/iommu/omap-iommu.c')
| -rw-r--r-- | drivers/iommu/omap-iommu.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 78f32d13dd66..b5787f151dfc 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -394,6 +394,7 @@ static void flush_iotlb_page(struct omap_iommu *obj, u32 da) __func__, start, da, bytes); iotlb_load_cr(obj, &cr); iommu_write_reg(obj, 1, MMU_FLUSH_ENTRY); + break; } } pm_runtime_put_sync(obj->dev); |