mwl8k: allow more time for firmware commands to complete

Some firmware commands can under some circumstances take more than 2
seconds to complete.  This patch bumps the timeout up to 10 seconds,
and prints a message whenever a command takes more than 2 seconds.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index f1566f93696e..793a83e10e16 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -1579,8 +1579,8 @@ static void mwl8k_fw_unlock(struct ieee80211_hw *hw)
  * Command processing.
  */
 
-/* Timeout firmware commands after 2000ms */
-#define MWL8K_CMD_TIMEOUT_MS    2000
+/* Timeout firmware commands after 10s */
+#define MWL8K_CMD_TIMEOUT_MS    10000
 
 static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
 {
@@ -1631,12 +1631,21 @@ static int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd)
                        MWL8K_CMD_TIMEOUT_MS);
                 rc = -ETIMEDOUT;
         } else {
+                int ms;
+
+                ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout);
+
                 rc = cmd->result ? -EINVAL : 0;
                 if (rc)
                         printk(KERN_ERR "%s: Command %s error 0x%x\n",
                                wiphy_name(hw->wiphy),
                                mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
                                le16_to_cpu(cmd->result));
+                else if (ms > 2000)
+                        printk(KERN_NOTICE "%s: Command %s took %d ms\n",
+                               wiphy_name(hw->wiphy),
+                               mwl8k_cmd_name(cmd->code, buf, sizeof(buf)),
+                               ms);
         }
 
         return rc;