From ef1b21f7eb074a8c8ddfea70ed70e988545c8d54 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Fri, 12 Nov 2010 08:47:07 +0100 Subject: [PATCH] iwlwifi: kill elapsed_jiffies Subtract of jiffies is fine even if one variable overwrap. Signed-off-by: Stanislaw Gruszka Acked-by: Wey-Yi Guy Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-helpers.h | 9 --------- drivers/net/wireless/iwlwifi/iwl-scan.c | 3 +-- 2 files changed, 1 insertion(+), 11 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index 1aaef70deaec..923368304153 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -44,15 +44,6 @@ static inline struct ieee80211_conf *ieee80211_get_hw_conf( return &hw->conf; } -static inline unsigned long elapsed_jiffies(unsigned long start, - unsigned long end) -{ - if (end >= start) - return end - start; - - return end + (MAX_JIFFY_OFFSET - start) + 1; -} - /** * iwl_queue_inc_wrap - increment queue index, wrap back to beginning * @index -- current index diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index e1aa0e1daa5a..12d9363d0afe 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -252,8 +252,7 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, IWL_DEBUG_SCAN(priv, "Scan on %sGHz took %dms\n", (priv->scan_band == IEEE80211_BAND_2GHZ) ? "2.4" : "5.2", - jiffies_to_msecs(elapsed_jiffies - (priv->scan_start, jiffies))); + jiffies_to_msecs(jiffies - priv->scan_start)); queue_work(priv->workqueue, &priv->scan_completed); -- 2.30.2