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[PATCH] Fix ipw2200 set wrong power parameter causing firmware error

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The power mode can only be set 0~5 to firmware. Otherwise there will be a
firmware error generated. This patch fixed the invalid power mode requested
by driver.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Zhu Yi 2007-07-12 16:09:32 +08:00 committed by John W. Linville
parent 9f3b2416fe
commit 4e157f08a0
1 changed files with 6 additions and 8 deletions
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14
drivers/net/wireless/ipw2200.c
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@ -2506,7 +2506,7 @@ static int ipw_send_power_mode(struct ipw_priv *priv, u32 mode)
break;
}
param = cpu_to_le32(mode);
param = cpu_to_le32(param);
return ipw_send_cmd_pdu(priv, IPW_CMD_POWER_MODE, sizeof(param),
&param);
}
@ -9568,6 +9568,7 @@ static int ipw_wx_set_power(struct net_device *dev,
priv->power_mode = IPW_POWER_ENABLED | IPW_POWER_BATTERY;
else
priv->power_mode = IPW_POWER_ENABLED | priv->power_mode;
err = ipw_send_power_mode(priv, IPW_POWER_LEVEL(priv->power_mode));
if (err) {
IPW_DEBUG_WX("failed setting power mode.\n");
@ -9604,22 +9605,19 @@ static int ipw_wx_set_powermode(struct net_device *dev,
struct ipw_priv *priv = ieee80211_priv(dev);
int mode = *(int *)extra;
int err;
mutex_lock(&priv->mutex);
if ((mode < 1) || (mode > IPW_POWER_LIMIT)) {
if ((mode < 1) || (mode > IPW_POWER_LIMIT))
mode = IPW_POWER_AC;
priv->power_mode = mode;
} else {
priv->power_mode = IPW_POWER_ENABLED | mode;
}
if (priv->power_mode != mode) {
if (IPW_POWER_LEVEL(priv->power_mode) != mode) {
err = ipw_send_power_mode(priv, mode);
if (err) {
IPW_DEBUG_WX("failed setting power mode.\n");
mutex_unlock(&priv->mutex);
return err;
}
priv->power_mode = IPW_POWER_ENABLED | mode;
}
mutex_unlock(&priv->mutex);
return 0;