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authorHelmut Schaa2010-09-08 20:56:32 +0200
committerJohn W. Linville2010-09-14 22:03:43 +0200
commit0204464329c17ba6d293e1899f71223599a0e582 (patch)
tree368b9617c1ad770b77fd22612edbb49300d0f500 /drivers/net/wireless/rt2x00/rt2x00config.c
parentrt2x00: Initialize AMPDU_BA_WINSIZE register (diff)
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rt2x00: Check for specific changed flags when updating the erp config
Previously rt2x00 was always updating all erp related config variables even though mac80211 might only have changed one. Hence, pass the changed flags to the config_erp driver callback so that the driver can limit the changes to the correct values. This fixes an issue in AP mode where the beacon interval is not initialized (and thus zero) but still sent to the hardware causing an interrupt storm on rt2800pci hanging the system. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00config.c')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00config.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c
index db09a641a948..4c7ff765a8bf 100644
--- a/drivers/net/wireless/rt2x00/rt2x00config.c
+++ b/drivers/net/wireless/rt2x00/rt2x00config.c
@@ -81,7 +81,8 @@ void rt2x00lib_config_intf(struct rt2x00_dev *rt2x00dev,
void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
struct rt2x00_intf *intf,
- struct ieee80211_bss_conf *bss_conf)
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changed)
{
struct rt2x00lib_erp erp;
@@ -102,7 +103,7 @@ void rt2x00lib_config_erp(struct rt2x00_dev *rt2x00dev,
/* Update global beacon interval time, this is needed for PS support */
rt2x00dev->beacon_int = bss_conf->beacon_int;
- rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp);
+ rt2x00dev->ops->lib->config_erp(rt2x00dev, &erp, changed);
}
static inline