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authorStanislaw Gruszka <sgruszka@redhat.com>2013-09-23 04:08:13 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-11-13 12:08:08 +0900
commite5804987902e8ab21459acd70217f889e06447d5 (patch)
treebe8eaaabe3c35bd4b8adb70e30be8bba39699f76
parentababf744ce845f93bf9810753cec861b0e6c97f8 (diff)
Revert "rt2x00pci: Use PCI MSIs whenever possible"
commit dfb6b7c109a7f98d324a759599d1b4616f02c79f upstream. This reverts commit 9483f40d8d01918b399b4e24d0c1111db0afffeb. Some devices stop to connect with above commit, see: https://bugzilla.kernel.org/show_bug.cgi?id=61621 Since there is no clear benefit of having MSI enabled, just revert change to fix the problem. Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Jakub Kicinski <kubakici@wp.pl> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00pci.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
index 76d95deb274..dc49e525ae5 100644
--- a/drivers/net/wireless/rt2x00/rt2x00pci.c
+++ b/drivers/net/wireless/rt2x00/rt2x00pci.c
@@ -105,13 +105,11 @@ int rt2x00pci_probe(struct pci_dev *pci_dev, const struct rt2x00_ops *ops)
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_disable_msi;
+ goto exit_release_regions;
}
pci_set_drvdata(pci_dev, hw);
@@ -152,9 +150,6 @@ exit_free_reg:
exit_free_device:
ieee80211_free_hw(hw);
-exit_disable_msi:
- pci_disable_msi(pci_dev);
-
exit_release_regions:
pci_release_regions(pci_dev);
@@ -179,8 +174,6 @@ void rt2x00pci_remove(struct pci_dev *pci_dev)
rt2x00pci_free_reg(rt2x00dev);
ieee80211_free_hw(hw);
- pci_disable_msi(pci_dev);
-
/*
* Free the PCI device data.
*/