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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>
hifive-unleashed-5.1
Laurent Pinchart 2014-03-07 23:47:03 +01:00
parent 5acc97db94
commit f7129a0e4d
1 changed files with 1 additions and 0 deletions
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drivers/iommu/omap-iommu.c
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@ -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);