From 247ae4492065ed73bf5f287e38cd4c54ce192b27 Mon Sep 17 00:00:00 2001
From: "John W. Linville" <linville@tuxdriver.com>
Date: Mon, 21 Jan 2008 15:36:05 -0500
Subject: [PATCH] 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>
---
drivers/net/wireless/ath5k/base.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 75e5970c0799..5ff115da91e3 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 */