ath5k: don't enable MSI, we cannot handle it yet

commit 256b152b005e319f985f50f2a910a75ba0def74f upstream

MSI is a nice thing, but we cannot enable it without changing the
interrupt handler.  If we do it, we break MSI capable hardware,
specifically AR5006 chipset.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 635b9ac9aaa17589e40f41e7c455ecffc2558357..e57905cb530667ef7816062d7411880b700d0408 100644 (file)
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -487,9 +487,6 @@ ath5k_pci_probe(struct pci_dev *pdev,
        /* Set private data */
        pci_set_drvdata(pdev, hw);
 
-       /* Enable msi for devices that support it */
-       pci_enable_msi(pdev);
-
        /* Setup interrupt handler */
        ret = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
        if (ret) {
@@ -567,7 +564,6 @@ err_ah:
 err_irq:
        free_irq(pdev->irq, sc);
 err_free:
-       pci_disable_msi(pdev);
        ieee80211_free_hw(hw);
 err_map:
        pci_iounmap(pdev, mem);
@@ -589,7 +585,6 @@ ath5k_pci_remove(struct pci_dev *pdev)
        ath5k_detach(pdev, hw);
        ath5k_hw_detach(sc->ah);
        free_irq(pdev->irq, sc);
-       pci_disable_msi(pdev);
        pci_iounmap(pdev, sc->iobase);
        pci_release_region(pdev, 0);
        pci_disable_device(pdev);