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authorShaibal Dutta <shaibal.dutta@broadcom.com>2014-01-31 03:08:30 +0400
committerJohannes Berg <johannes.berg@intel.com>2014-02-05 00:58:15 +0400
commit845f3351b15a4cd8c6e47255c0dbfac03c6aceda (patch)
treefdf364d2eb5f564aec97154a9c1cb7e9ffbef915
parentb4ba544c8c1349afd44e10aebec03c90e9b71d98 (diff)
downloadlinux-845f3351b15a4cd8c6e47255c0dbfac03c6aceda.tar.xz
net: wireless: move regulatory timeout work to power efficient workqueue
For better use of CPU idle time, allow the scheduler to select the CPU on which the timeout work of regulatory settings would be executed. This extends CPU idle residency time and saves power. This functionality is enabled when CONFIG_WQ_POWER_EFFICIENT is selected. Cc: "John W. Linville" <linville@tuxdriver.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: Shaibal Dutta <shaibal.dutta@broadcom.com> [zoran.markovic@linaro.org: Rebased to latest kernel. Added commit message.] Signed-off-by: Zoran Markovic <zoran.markovic@linaro.org> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--net/wireless/reg.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 8b47a9d02447..27807bf0cdfc 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1701,7 +1701,8 @@ static void reg_process_hint(struct regulatory_request *reg_request)
if (treatment == REG_REQ_OK ||
treatment == REG_REQ_ALREADY_SET)
return;
- schedule_delayed_work(&reg_timeout, msecs_to_jiffies(3142));
+ queue_delayed_work(system_power_efficient_wq,
+ &reg_timeout, msecs_to_jiffies(3142));
return;
case NL80211_REGDOM_SET_BY_DRIVER:
if (!wiphy)
@@ -2301,7 +2302,8 @@ static int reg_set_rd_driver(const struct ieee80211_regdomain *rd,
request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx);
if (!request_wiphy) {
- schedule_delayed_work(&reg_timeout, 0);
+ queue_delayed_work(system_power_efficient_wq,
+ &reg_timeout, 0);
return -ENODEV;
}
@@ -2361,7 +2363,8 @@ static int reg_set_rd_country_ie(const struct ieee80211_regdomain *rd,
request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx);
if (!request_wiphy) {
- schedule_delayed_work(&reg_timeout, 0);
+ queue_delayed_work(system_power_efficient_wq,
+ &reg_timeout, 0);
return -ENODEV;
}