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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-21 00:17:03 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-21 00:17:03 +0300 |
| commit | da2968ff879b9e74688cdc658f646971991d2c56 (patch) | |
| tree | 0d332fcc280ec3b09b5de0a86f1ad4accec1ef1f /drivers | |
| parent | d271b51c60ebe71e0435a9059b315a3d8bb8a099 (diff) | |
| parent | 7c2308f79fc81ba0bf24ccd2429fb483a91bcd51 (diff) | |
| download | linux-da2968ff879b9e74688cdc658f646971991d2c56.tar.xz | |
Merge tag 'pci-v5.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Fix P2PDMA build issue (Christoph Hellwig)"
* tag 'pci-v5.9-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI/P2PDMA: Fix build without DMA ops
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/p2pdma.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c index 64ebed129dbf..f357f9a32b3a 100644 --- a/drivers/pci/p2pdma.c +++ b/drivers/pci/p2pdma.c @@ -556,13 +556,14 @@ int pci_p2pdma_distance_many(struct pci_dev *provider, struct device **clients, return -1; for (i = 0; i < num_clients; i++) { - if (IS_ENABLED(CONFIG_DMA_VIRT_OPS) && - clients[i]->dma_ops == &dma_virt_ops) { +#ifdef CONFIG_DMA_VIRT_OPS + if (clients[i]->dma_ops == &dma_virt_ops) { if (verbose) dev_warn(clients[i], "cannot be used for peer-to-peer DMA because the driver makes use of dma_virt_ops\n"); return -1; } +#endif pci_client = find_parent_pci_dev(clients[i]); if (!pci_client) { @@ -842,9 +843,10 @@ static int __pci_p2pdma_map_sg(struct pci_p2pdma_pagemap *p2p_pgmap, * this should never happen because it will be prevented * by the check in pci_p2pdma_distance_many() */ - if (WARN_ON_ONCE(IS_ENABLED(CONFIG_DMA_VIRT_OPS) && - dev->dma_ops == &dma_virt_ops)) +#ifdef CONFIG_DMA_VIRT_OPS + if (WARN_ON_ONCE(dev->dma_ops == &dma_virt_ops)) return 0; +#endif for_each_sg(sg, s, nents, i) { paddr = sg_phys(s); |