2011-04-20 05:28:43

by Sujith

Subject: [PATCH 4/5] ath9k_htc: Use power save wrappers when accessing HW

From: Sujith Manoharan <[email protected]>

Signed-off-by: Sujith Manoharan <[email protected]>
---
drivers/net/wireless/ath/ath9k/htc_drv_debug.c | 24 +++++++++++++++++++++---
drivers/net/wireless/ath/ath9k/htc_drv_main.c | 2 ++
2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
index eca7774..894e5ef 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_debug.c
@@ -33,9 +33,15 @@ static ssize_t read_file_tgt_int_stats(struct file *file, char __user *user_buf,

memset(&cmd_rsp, 0, sizeof(cmd_rsp));

+ ath9k_htc_ps_wakeup(priv);
+
WMI_CMD(WMI_INT_STATS_CMDID);
- if (ret)
+ if (ret) {
+ ath9k_htc_ps_restore(priv);
return -EINVAL;
+ }
+
+ ath9k_htc_ps_restore(priv);

len += snprintf(buf + len, sizeof(buf) - len,
"%20s : %10u\n", "RX",
@@ -85,9 +91,15 @@ static ssize_t read_file_tgt_tx_stats(struct file *file, char __user *user_buf,

memset(&cmd_rsp, 0, sizeof(cmd_rsp));

+ ath9k_htc_ps_wakeup(priv);
+
WMI_CMD(WMI_TX_STATS_CMDID);
- if (ret)
+ if (ret) {
+ ath9k_htc_ps_restore(priv);
return -EINVAL;
+ }
+
+ ath9k_htc_ps_restore(priv);

len += snprintf(buf + len, sizeof(buf) - len,
"%20s : %10u\n", "Xretries",
@@ -149,9 +161,15 @@ static ssize_t read_file_tgt_rx_stats(struct file *file, char __user *user_buf,

memset(&cmd_rsp, 0, sizeof(cmd_rsp));

+ ath9k_htc_ps_wakeup(priv);
+
WMI_CMD(WMI_RX_STATS_CMDID);
- if (ret)
+ if (ret) {
+ ath9k_htc_ps_restore(priv);
return -EINVAL;
+ }
+
+ ath9k_htc_ps_restore(priv);

len += snprintf(buf + len, sizeof(buf) - len,
"%20s : %10u\n", "NoBuf",
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
index fbc238a..c8577d5 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c
@@ -1582,6 +1582,7 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
int ret = 0;

mutex_lock(&priv->mutex);
+ ath9k_htc_ps_wakeup(priv);

switch (action) {
case IEEE80211_AMPDU_RX_START:
@@ -1607,6 +1608,7 @@ static int ath9k_htc_ampdu_action(struct ieee80211_hw *hw,
ath_err(ath9k_hw_common(priv->ah), "Unknown AMPDU action\n");
}

+ ath9k_htc_ps_restore(priv);
mutex_unlock(&priv->mutex);

return ret;
--
1.7.4.4