ath9k: wake up chip before initializing PAPRD table
Mohammed Shafi Shajakhan [Tue, 24 May 2011 09:59:52 +0000 (14:59 +0530)]
In PAPRD table initialization path we do some register read, so
make sure the chip is awake during that. Currently PAPRD is disabled.

Signed-off-by: Mohammed Shafi Shajakhan <mshajakhan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ath9k/main.c

index 0c545d3..5cf2dc3 100644 (file)
@@ -392,12 +392,14 @@ void ath_paprd_calibrate(struct work_struct *work)
        if (!caldata)
                return;
 
+       ath9k_ps_wakeup(sc);
+
        if (ar9003_paprd_init_table(ah) < 0)
-               return;
+               goto fail_paprd;
 
        skb = alloc_skb(len, GFP_KERNEL);
        if (!skb)
-               return;
+               goto fail_paprd;
 
        skb_put(skb, len);
        memset(skb->data, 0, len);
@@ -409,7 +411,6 @@ void ath_paprd_calibrate(struct work_struct *work)
        memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN);
        memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN);
 
-       ath9k_ps_wakeup(sc);
        for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) {
                if (!(common->tx_chainmask & BIT(chain)))
                        continue;