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| author | Anton Blanchard <anton@samba.org> | 2010-12-07 14:36:05 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2010-12-09 15:35:32 +1100 |
| commit | 4dfa9c474859629a2c4a3f8d29804d6a6c994908 (patch) | |
| tree | 8d5866ae6388530ca5861ed07f9d795992331efe /arch/powerpc/kernel/iommu.c | |
| parent | 7a9d12568e34e37a72d9e00ce01b62dec527e663 (diff) | |
| download | lwn-4dfa9c474859629a2c4a3f8d29804d6a6c994908.tar.gz lwn-4dfa9c474859629a2c4a3f8d29804d6a6c994908.zip | |
powerpc: iommu: Add device name to iommu error printks
Right now its difficult to see which device is running out of iommu space:
iommu_alloc failed, tbl c00000076e096660 vaddr c000000768806600 npages 1
Use dev_info() so we get the device name and location:
ipr 0000:00:01.0: iommu_alloc failed, tbl c00000076e096660 vaddr c000000768806600 npages 1
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/kernel/iommu.c')
| -rw-r--r-- | arch/powerpc/kernel/iommu.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c index d5839179ec77..961bb03413f3 100644 --- a/arch/powerpc/kernel/iommu.c +++ b/arch/powerpc/kernel/iommu.c @@ -311,8 +311,9 @@ int iommu_map_sg(struct device *dev, struct iommu_table *tbl, /* Handle failure */ if (unlikely(entry == DMA_ERROR_CODE)) { if (printk_ratelimit()) - printk(KERN_INFO "iommu_alloc failed, tbl %p vaddr %lx" - " npages %lx\n", tbl, vaddr, npages); + dev_info(dev, "iommu_alloc failed, tbl %p " + "vaddr %lx npages %lu\n", tbl, vaddr, + npages); goto failure; } @@ -579,9 +580,9 @@ dma_addr_t iommu_map_page(struct device *dev, struct iommu_table *tbl, attrs); if (dma_handle == DMA_ERROR_CODE) { if (printk_ratelimit()) { - printk(KERN_INFO "iommu_alloc failed, " - "tbl %p vaddr %p npages %d\n", - tbl, vaddr, npages); + dev_info(dev, "iommu_alloc failed, tbl %p " + "vaddr %p npages %d\n", tbl, vaddr, + npages); } } else dma_handle |= (uaddr & ~IOMMU_PAGE_MASK); @@ -627,7 +628,8 @@ void *iommu_alloc_coherent(struct device *dev, struct iommu_table *tbl, * the tce tables. */ if (order >= IOMAP_MAX_ORDER) { - printk("iommu_alloc_consistent size too large: 0x%lx\n", size); + dev_info(dev, "iommu_alloc_consistent size too large: 0x%lx\n", + size); return NULL; } |