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authorJosh Boyer <jwboyer@fedoraproject.org>2013-09-23 09:40:51 -0400
committerJosh Boyer <jwboyer@fedoraproject.org>2013-09-23 09:42:03 -0400
commit4ffd4e5b944f895fb37f3414f2c4b7c35ec5d98c (patch)
treee77f38d4ab05ff78d633c28f8727539b3cb96735 /Revert-rt2x00pci-Use-PCI-MSIs-whenever-possible.patch
parent890c34ba124ab8764c58c74dc1640fba7882476d (diff)
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Revert rt2x00 commit that breaks connectivity (rhbz 1010431)
Diffstat (limited to 'Revert-rt2x00pci-Use-PCI-MSIs-whenever-possible.patch')
-rw-r--r--Revert-rt2x00pci-Use-PCI-MSIs-whenever-possible.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/Revert-rt2x00pci-Use-PCI-MSIs-whenever-possible.patch b/Revert-rt2x00pci-Use-PCI-MSIs-whenever-possible.patch
new file mode 100644
index 000000000..4e48620ec
--- /dev/null
+++ b/Revert-rt2x00pci-Use-PCI-MSIs-whenever-possible.patch
@@ -0,0 +1,59 @@
+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.
+
+Cc: stable@vger.kernel.org # 3.11+
+Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
+---
+ drivers/net/wireless/rt2x00/rt2x00pci.c | 9 +--------
+ 1 file changed, 1 insertion(+), 8 deletions(-)
+
+diff --git a/drivers/net/wireless/rt2x00/rt2x00pci.c b/drivers/net/wireless/rt2x00/rt2x00pci.c
+index 76d95de..dc49e52 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.
+ */
+--
+1.8.3.1
+
+--
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