diff options
Diffstat (limited to 'arch/mips/mm')
| -rw-r--r-- | arch/mips/mm/dma-noncoherent.c | 8 | ||||
| -rw-r--r-- | arch/mips/mm/init.c | 5 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/mm/dma-noncoherent.c b/arch/mips/mm/dma-noncoherent.c index b57465733e87..f9549d2fbea3 100644 --- a/arch/mips/mm/dma-noncoherent.c +++ b/arch/mips/mm/dma-noncoherent.c @@ -156,3 +156,11 @@ void arch_dma_cache_sync(struct device *dev, void *vaddr, size_t size, dma_sync_virt(vaddr, size, direction); } + +#ifdef CONFIG_DMA_PERDEV_COHERENT +void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, + const struct iommu_ops *iommu, bool coherent) +{ + dev->dma_coherent = coherent; +} +#endif diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index c3b45e248806..bbb196ad5f26 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -252,6 +252,11 @@ void __init fixrange_init(unsigned long start, unsigned long end, if (pmd_none(*pmd)) { pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE); + if (!pte) + panic("%s: Failed to allocate %lu bytes align=%lx\n", + __func__, PAGE_SIZE, + PAGE_SIZE); + set_pmd(pmd, __pmd((unsigned long)pte)); BUG_ON(pte != pte_offset_kernel(pmd, 0)); } |
