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authorLinus Torvalds <torvalds@linux-foundation.org>2020-08-21 00:17:03 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2020-08-21 00:17:03 +0300
commitda2968ff879b9e74688cdc658f646971991d2c56 (patch)
tree0d332fcc280ec3b09b5de0a86f1ad4accec1ef1f /drivers
parentd271b51c60ebe71e0435a9059b315a3d8bb8a099 (diff)
parent7c2308f79fc81ba0bf24ccd2429fb483a91bcd51 (diff)
downloadlinux-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.c10
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);