diff options
Diffstat (limited to 'arch/powerpc/platforms/powernv/npu-dma.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/npu-dma.c | 16 |
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index 3f58c7dbd581..dc23d9d2a7d9 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -28,10 +28,6 @@ */ static DEFINE_SPINLOCK(npu_context_lock); -/* - * Other types of TCE cache invalidation are not functional in the - * hardware. - */ static struct pci_dev *get_pci_dev(struct device_node *dn) { struct pci_dn *pdn = PCI_DN(dn); @@ -220,7 +216,7 @@ static void pnv_npu_dma_set_32(struct pnv_ioda_pe *npe) * their parent device so drivers shouldn't be doing DMA * operations directly on these devices. */ - set_dma_ops(&npe->pdev->dev, NULL); + set_dma_ops(&npe->pdev->dev, &dma_dummy_ops); } /* @@ -917,15 +913,6 @@ static void pnv_npu2_mn_release(struct mmu_notifier *mn, mmio_invalidate(npu_context, 0, ~0UL); } -static void pnv_npu2_mn_change_pte(struct mmu_notifier *mn, - struct mm_struct *mm, - unsigned long address, - pte_t pte) -{ - struct npu_context *npu_context = mn_to_npu_context(mn); - mmio_invalidate(npu_context, address, PAGE_SIZE); -} - static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn, struct mm_struct *mm, unsigned long start, unsigned long end) @@ -936,7 +923,6 @@ static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn, static const struct mmu_notifier_ops nv_nmmu_notifier_ops = { .release = pnv_npu2_mn_release, - .change_pte = pnv_npu2_mn_change_pte, .invalidate_range = pnv_npu2_mn_invalidate_range, }; |