diff options
| author | Zhu Yi <yi.zhu@intel.com> | 2007-07-12 16:09:32 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2007-07-17 21:56:17 -0400 |
| commit | 4e157f08a01f6395a43d10630fb3a629d90a02bc (patch) | |
| tree | 50be542bc5f2d5c66ba3628e41c39aee82d6b234 /drivers/net | |
| parent | 9f3b2416fec56de34408eafbef19bf8ec9a81493 (diff) | |
| download | linux-4e157f08a01f6395a43d10630fb3a629d90a02bc.tar.bz2 | |
[PATCH] Fix ipw2200 set wrong power parameter causing firmware error
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>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/ipw2200.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c index aa32a97380ec..4b5ec3666ee6 100644 --- a/drivers/net/wireless/ipw2200.c +++ b/drivers/net/wireless/ipw2200.c @@ -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), ¶m); } @@ -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; |