From: Kalle Valo Date: Mon, 30 Nov 2009 08:18:06 +0000 (+0200) Subject: wl1251: simplify ELP wakeup time calculation X-Git-Tag: v2.6.34-rc1~233^2~705^2~59 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=7fa6282a1775bd41508220e65ba0cb92235b67d4;p=~shefty%2Frdma-dev.git wl1251: simplify ELP wakeup time calculation The wakeup time calculation was too complicated, simplify it. Signed-off-by: Kalle Valo Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/wl12xx/wl1251_ps.c b/drivers/net/wireless/wl12xx/wl1251_ps.c index 54a27200f3b..851dfb65e47 100644 --- a/drivers/net/wireless/wl12xx/wl1251_ps.c +++ b/drivers/net/wireless/wl12xx/wl1251_ps.c @@ -68,7 +68,7 @@ void wl1251_ps_elp_sleep(struct wl1251 *wl) int wl1251_ps_elp_wakeup(struct wl1251 *wl) { - unsigned long timeout; + unsigned long timeout, start; u32 elp_reg; if (!wl->elp) @@ -76,6 +76,7 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl) wl1251_debug(DEBUG_PSM, "waking up chip from elp"); + start = jiffies; timeout = jiffies + msecs_to_jiffies(WL1251_WAKEUP_TIMEOUT); wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP); @@ -96,8 +97,7 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl) } wl1251_debug(DEBUG_PSM, "wakeup time: %u ms", - jiffies_to_msecs(jiffies) - - (jiffies_to_msecs(timeout) - WL1251_WAKEUP_TIMEOUT)); + jiffies_to_msecs(jiffies - start)); wl->elp = false;