Introduce the pci_dma_flags_set_dmaflush() interface and give it
a default no-op implementation.
Signed-off-by: Arthur Kepner <[email protected]>
--
pci.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/include/linux/pci.h b/include/linux/pci.h
index e7d8d4e..cee5709 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -825,6 +825,13 @@ static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
}
#endif /* HAVE_ARCH_PCI_RESOURCE_TO_USER */
+#ifdef ARCH_CAN_REORDER_DMA
+extern int pci_dma_flags_set_dmaflush(int dir);
+#else /* ARCH_CAN_REORDER_DMA */
+static inline int pci_dma_flags_set_dmaflush(int dir) {
+ return (dir);
+}
+#endif /* ARCH_CAN_REORDER_DMA */
/*
* The world is not perfect and supplies us with broken PCI devices.
--
Arthur