diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/sparc64/kernel/pci_iommu.c | 16 | ||||
-rw-r--r-- | arch/sparc64/kernel/sbus.c | 4 |
2 files changed, 11 insertions, 9 deletions
diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c index f009b1b45501..33ca56c90da2 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, | |||
392 | flushreg = strbuf->strbuf_ctxflush; | 392 | flushreg = strbuf->strbuf_ctxflush; |
393 | matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx); | 393 | matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx); |
394 | 394 | ||
395 | limit = 10000; | 395 | limit = 100000; |
396 | do { | 396 | pci_iommu_write(flushreg, ctx); |
397 | pci_iommu_write(flushreg, ctx); | 397 | for(;;) { |
398 | udelay(10); | 398 | if (((long)pci_iommu_read(matchreg)) >= 0L) |
399 | break; | ||
399 | limit--; | 400 | limit--; |
400 | if (!limit) | 401 | if (!limit) |
401 | break; | 402 | break; |
402 | } while(((long)pci_iommu_read(matchreg)) < 0L); | 403 | udelay(1); |
404 | } | ||
403 | if (!limit) | 405 | if (!limit) |
404 | printk(KERN_WARNING "pci_strbuf_flush: ctx flush " | 406 | printk(KERN_WARNING "pci_strbuf_flush: ctx flush " |
405 | "timeout vaddr[%08x] ctx[%lx]\n", | 407 | "timeout vaddr[%08x] ctx[%lx]\n", |
@@ -414,12 +416,12 @@ static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu, | |||
414 | pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa); | 416 | pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa); |
415 | (void) pci_iommu_read(iommu->write_complete_reg); | 417 | (void) pci_iommu_read(iommu->write_complete_reg); |
416 | 418 | ||
417 | limit = 10000; | 419 | limit = 100000; |
418 | while (!PCI_STC_FLUSHFLAG_SET(strbuf)) { | 420 | while (!PCI_STC_FLUSHFLAG_SET(strbuf)) { |
419 | limit--; | 421 | limit--; |
420 | if (!limit) | 422 | if (!limit) |
421 | break; | 423 | break; |
422 | udelay(10); | 424 | udelay(1); |
423 | membar("#LoadLoad"); | 425 | membar("#LoadLoad"); |
424 | } | 426 | } |
425 | if (!limit) | 427 | if (!limit) |
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c index d3eca98e1fe7..76ea6455433f 100644 --- a/arch/sparc64/kernel/sbus.c +++ b/arch/sparc64/kernel/sbus.c | |||
@@ -133,12 +133,12 @@ static void sbus_strbuf_flush(struct sbus_iommu *iommu, u32 base, unsigned long | |||
133 | iommu->strbuf_regs + STRBUF_FSYNC); | 133 | iommu->strbuf_regs + STRBUF_FSYNC); |
134 | upa_readq(iommu->sbus_control_reg); | 134 | upa_readq(iommu->sbus_control_reg); |
135 | 135 | ||
136 | limit = 10000; | 136 | limit = 100000; |
137 | while (iommu->strbuf_flushflag == 0UL) { | 137 | while (iommu->strbuf_flushflag == 0UL) { |
138 | limit--; | 138 | limit--; |
139 | if (!limit) | 139 | if (!limit) |
140 | break; | 140 | break; |
141 | udelay(10); | 141 | udelay(1); |
142 | membar("#LoadLoad"); | 142 | membar("#LoadLoad"); |
143 | } | 143 | } |
144 | if (!limit) | 144 | if (!limit) |