1 files changed, 9 insertions, 7 deletions

diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c
index f009b1b4550..33ca56c90da 100644
--- a/arch/sparc64/kernel/pci_iommu.c
+++ b/arch/sparc64/kernel/pci_iommu.c
@@ -392,14 +392,16 @@ static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu,
                 flushreg = strbuf->strbuf_ctxflush;
                 matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx);
 
-                limit = 10000;
-                do {
-                        pci_iommu_write(flushreg, ctx);
-                        udelay(10);
+                limit = 100000;
+                pci_iommu_write(flushreg, ctx);
+                for(;;) {
+                        if (((long)pci_iommu_read(matchreg)) >= 0L)
+                                break;
                         limit--;
                         if (!limit)
                                 break;
-                } while(((long)pci_iommu_read(matchreg)) < 0L);
+                        udelay(1);
+                }
                 if (!limit)
                         printk(KERN_WARNING "pci_strbuf_flush: ctx flush "
                                "timeout vaddr[%08x] ctx[%lx]\n",
@@ -414,12 +416,12 @@ static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu,
         pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa);
         (void) pci_iommu_read(iommu->write_complete_reg);
 
-        limit = 10000;
+        limit = 100000;
         while (!PCI_STC_FLUSHFLAG_SET(strbuf)) {
                 limit--;
                 if (!limit)
                         break;
-                udelay(10);
+                udelay(1);
                 membar("#LoadLoad");
         }
         if (!limit)