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authorJohn W. Linville <linville@tuxdriver.com>2008-01-21 15:36:05 -0500
committerDavid S. Miller <davem@davemloft.net>2008-01-28 15:10:48 -0800
commit247ae4492065ed73bf5f287e38cd4c54ce192b27 (patch)
tree0e5ecf0b032a40bb29fe1301c2b28be87d92701b /drivers
parentc65638a72c619e941bcb4006feded09fd358ad5f (diff)
downloadlinux-247ae4492065ed73bf5f287e38cd4c54ce192b27.tar.gz
ath5k: reset key cache after resume
Otherwise it may be impossible to connected to an open network after a resume. This is a modified version of an original patch by Alex Eskin <alexeskin@yahoo.com>: https://bugzilla.redhat.com/show_bug.cgi?id=425950#c8 Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/wireless/ath5k/base.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 75e5970c079..5ff115da91e 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -604,7 +604,8 @@ ath5k_pci_resume(struct pci_dev *pdev)
{
struct ieee80211_hw *hw = pci_get_drvdata(pdev);
struct ath5k_softc *sc = hw->priv;
- int err;
+ struct ath5k_hw *ah = sc->ah;
+ int i, err;
err = pci_set_power_state(pdev, PCI_D0);
if (err)
@@ -624,10 +625,20 @@ ath5k_pci_resume(struct pci_dev *pdev)
ath5k_init(sc);
if (test_bit(ATH_STAT_LEDSOFT, sc->status)) {
- ath5k_hw_set_gpio_output(sc->ah, sc->led_pin);
- ath5k_hw_set_gpio(sc->ah, sc->led_pin, 0);
+ ath5k_hw_set_gpio_output(ah, sc->led_pin);
+ ath5k_hw_set_gpio(ah, sc->led_pin, 0);
}
+ /*
+ * Reset the key cache since some parts do not
+ * reset the contents on initial power up or resume.
+ *
+ * FIXME: This may need to be revisited when mac80211 becomes
+ * aware of suspend/resume.
+ */
+ for (i = 0; i < AR5K_KEYTABLE_SIZE; i++)
+ ath5k_hw_reset_key(ah, i);
+
return 0;
}
#endif /* CONFIG_PM */