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[35/40] rt2x00: rt2x00pci: set PCI MWI only if supported

Message ID 20170113213225.GA3642@makrotopia.org (mailing list archive)
State Changes Requested
Delegated to: Kalle Valo
Headers show

Commit Message

Daniel Golle Jan. 13, 2017, 9:32 p.m. UTC 
From: Claudio Mignanti <c.mignanti@gmail.com>

This is needed for devices without support for PCI MWI. See also
https://dev.openwrt.org/changeset/21850

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
---
 drivers/net/wireless/ralink/rt2x00/rt2x00pci.c | 2 ++
 1 file changed, 2 insertions(+)
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Patch

diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c b/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c
index eb6dbcd4fddf..4becfeb75ba8 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00pci.c
@@ -94,8 +94,10 @@  int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops)
 
 	pci_set_master(pci_dev);
 
+#ifdef CONFIG_PCI_SET_MWI
 	if (pci_set_mwi(pci_dev))
 		rt2x00_probe_err("MWI not available\n");
+#endif
 
 	if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {
 		rt2x00_probe_err("PCI DMA not supported\n");