From: Daniel Golle <daniel@makrotopia.org>
To: linux-wireless@vger.kernel.org
Cc: Johannes Berg <johannes@sipsolutions.net>,
Stanislaw Gruszka <sgruszka@redhat.com>,
roman@advem.lv, michel.stempin@wanadoo.fr, c.mignanti@gmail.com,
evaxige@qq.com, Kalle Valo <kvalo@codeaurora.org>,
Felix Fietkau <nbd@nbd.name>, John Crispin <john@phrozen.org>,
Gabor Juhos <juhosg@openwrt.org>
Subject: [PATCH 35/40] rt2x00: rt2x00pci: set PCI MWI only if supported
Date: Fri, 13 Jan 2017 22:32:30 +0100 [thread overview]
Message-ID: <20170113213225.GA3642@makrotopia.org> (raw)
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(+)
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");
--
2.11.0
reply other threads:[~2017-01-13 21:32 UTC|newest]
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