rt2x00pci: Use PCI MSIs whenever possible
All PCIe devices must support MSIs, make use of them.
Signed-off-by: Jakub Kicinski <kubakici@wp.pl>
Acked-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index dc49e52..76d95de 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -105,11 +105,13 @@
goto exit_release_regions;
}
+ pci_enable_msi(pci_dev);
+
hw = ieee80211_alloc_hw(sizeof(struct rt2x00_dev), ops->hw);
if (!hw) {
rt2x00_probe_err("Failed to allocate hardware\n");
retval = -ENOMEM;
- goto exit_release_regions;
+ goto exit_disable_msi;
}
pci_set_drvdata(pci_dev, hw);
@@ -150,6 +152,9 @@
exit_free_device:
ieee80211_free_hw(hw);
+exit_disable_msi:
+ pci_disable_msi(pci_dev);
+
exit_release_regions:
pci_release_regions(pci_dev);
@@ -174,6 +179,8 @@
rt2x00pci_free_reg(rt2x00dev);
ieee80211_free_hw(hw);
+ pci_disable_msi(pci_dev);
+
/*
* Free the PCI device data.
*/