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SubjectRe: [PATCH] PM_QOS updates 4 of 6
On Sat, Mar 13, 2010 at 01:48:57PM -0800, mgross wrote:
> Date: Sat, 13 Mar 2010 13:48:57 -0800
> From: 640E9920 <640E9920@gmail.com>
> To: linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
> dwalker@codeaurora.org, tiwai@suse.de, bruce.w.allan@intel.com,
> aili@codeaurora.org, khilman@deeprootsystems.com, pavel@ucw.cz,
> mgross@linux.intel.com
> Subject: [PATCH] PM_QOS updates for 2.6.34-rc1
> User-Agent: Mutt/1.5.20 (2009-06-14)
>

From fc3ec2c781d868031a77bc6ce5bfd6aae22d5551 Mon Sep 17 00:00:00 2001
From: mgross <mgross@linux.intel.com>
Date: Sat, 13 Mar 2010 08:22:37 -0800
Subject: [PATCH 4/6] PM_QOS-to-use-handle-based-requests-wireless-update

Signed-off-by: Mark Gross <mgross@linux.intel.com>
---
drivers/net/wireless/ipw2x00/ipw2100.c | 11 ++++++-----
net/mac80211/mlme.c | 2 +-
2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 9b72c45..2b05fe5 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -174,6 +174,8 @@ that only one external action is invoked at a time.
#define DRV_DESCRIPTION "Intel(R) PRO/Wireless 2100 Network Driver"
#define DRV_COPYRIGHT "Copyright(c) 2003-2006 Intel Corporation"

+struct pm_qos_request_list *ipw2100_pm_qos_req;
+
/* Debugging stuff */
#ifdef CONFIG_IPW2100_DEBUG
#define IPW2100_RX_DEBUG /* Reception debugging */
@@ -1739,7 +1741,7 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred)
/* the ipw2100 hardware really doesn't want power management delays
* longer than 175usec
*/
- pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100", 175);
+ pm_qos_update_request(ipw2100_pm_qos_req, 175);

/* If the interrupt is enabled, turn it off... */
spin_lock_irqsave(&priv->low_lock, flags);
@@ -1887,8 +1889,7 @@ static void ipw2100_down(struct ipw2100_priv *priv)
ipw2100_disable_interrupts(priv);
spin_unlock_irqrestore(&priv->low_lock, flags);

- pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100",
- PM_QOS_DEFAULT_VALUE);
+ pm_qos_update_request(ipw2100_pm_qos_req, PM_QOS_DEFAULT_VALUE);

/* We have to signal any supplicant if we are disassociating */
if (associated)
@@ -6669,7 +6670,7 @@ static int __init ipw2100_init(void)
if (ret)
goto out;

- pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100",
+ ipw2100_pm_qos_req = pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE);
#ifdef CONFIG_IPW2100_DEBUG
ipw2100_debug_level = debug;
@@ -6692,7 +6693,7 @@ static void __exit ipw2100_exit(void)
&driver_attr_debug_level);
#endif
pci_unregister_driver(&ipw2100_pci_driver);
- pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100");
+ pm_qos_remove_request(ipw2100_pm_qos_req);
}

module_init(ipw2100_init);
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 41812a1..671669c 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -489,7 +489,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
s32 beaconint_us;

if (latency < 0)
- latency = pm_qos_requirement(PM_QOS_NETWORK_LATENCY);
+ latency = pm_qos_request(PM_QOS_NETWORK_LATENCY);

beaconint_us = ieee80211_tu_to_usec(
found->vif.bss_conf.beacon_int);
--
1.6.3.3


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