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[PATCH 1/2] compat-wireless: backport pm_qos_{add,remove,update}_request

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Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
I have not found a way to backport these changes without using these ifdef.
 patches/28-pm-qos-params.patch |   89 ++++++++++++++++++++++++++++++++++++++++
 1 files changed, 89 insertions(+), 0 deletions(-)
 create mode 100644 patches/28-pm-qos-params.patch

diff --git a/patches/28-pm-qos-params.patch b/patches/28-pm-qos-params.patch
new file mode 100644
index 0000000..4c3966a
--- /dev/null
+++ b/patches/28-pm-qos-params.patch
@@ -0,0 +1,89 @@
+--- a/drivers/net/wireless/ipw2x00/ipw2100.c
++++ b/drivers/net/wireless/ipw2x00/ipw2100.c
+@@ -174,7 +174,9 @@ that only one external action is invoked
+ #define DRV_DESCRIPTION	"Intel(R) PRO/Wireless 2100 Network Driver"
+ #define DRV_COPYRIGHT	"Copyright(c) 2003-2006 Intel Corporation"
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+ struct pm_qos_request_list *ipw2100_pm_qos_req;
++#endif
+ 
+ /* Debugging stuff */
+ #ifdef CONFIG_IPW2100_DEBUG
+@@ -1741,7 +1743,11 @@ static int ipw2100_up(struct ipw2100_pri
+ 	/* the ipw2100 hardware really doesn't want power management delays
+ 	 * longer than 175usec
+ 	 */
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+ 	pm_qos_update_request(ipw2100_pm_qos_req, 175);
++#else
++	pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100", 175);
++#endif
+ 
+ 	/* If the interrupt is enabled, turn it off... */
+ 	spin_lock_irqsave(&priv->low_lock, flags);
+@@ -1889,7 +1895,12 @@ static void ipw2100_down(struct ipw2100_
+ 	ipw2100_disable_interrupts(priv);
+ 	spin_unlock_irqrestore(&priv->low_lock, flags);
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+ 	pm_qos_update_request(ipw2100_pm_qos_req, PM_QOS_DEFAULT_VALUE);
++#else
++	pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100",
++			PM_QOS_DEFAULT_VALUE);
++#endif
+ 
+ 	/* We have to signal any supplicant if we are disassociating */
+ 	if (associated)
+@@ -6674,7 +6685,11 @@ static int __init ipw2100_init(void)
+ 	if (ret)
+ 		goto out;
+ 
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+ 	ipw2100_pm_qos_req = pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY,
++#else
++	pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100",
++#endif
+ 			PM_QOS_DEFAULT_VALUE);
+ #ifdef CONFIG_IPW2100_DEBUG
+ 	ipw2100_debug_level = debug;
+@@ -6697,7 +6712,11 @@ static void __exit ipw2100_exit(void)
+ 			   &driver_attr_debug_level);
+ #endif
+ 	pci_unregister_driver(&ipw2100_pci_driver);
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+ 	pm_qos_remove_request(ipw2100_pm_qos_req);
++#else
++	pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY, "ipw2100");
++#endif
+ }
+ 
+ module_init(ipw2100_init);
+--- a/net/mac80211/mlme.c
++++ b/net/mac80211/mlme.c
+@@ -509,7 +509,11 @@ void ieee80211_recalc_ps(struct ieee8021
+ 		s32 beaconint_us;
+ 
+ 		if (latency < 0)
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+ 			latency = pm_qos_request(PM_QOS_NETWORK_LATENCY);
++#else
++			latency = pm_qos_requirement(PM_QOS_NETWORK_LATENCY);
++#endif
+ 
+ 		beaconint_us = ieee80211_tu_to_usec(
+ 					found->vif.bss_conf.beacon_int);
+--- a/net/mac80211/scan.c
++++ b/net/mac80211/scan.c
+@@ -510,7 +510,11 @@ static int ieee80211_scan_state_decision
+ 		bad_latency = time_after(jiffies +
+ 				ieee80211_scan_get_channel_time(next_chan),
+ 				local->leave_oper_channel_time +
++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+ 				usecs_to_jiffies(pm_qos_request(PM_QOS_NETWORK_LATENCY)));
++#else
++				usecs_to_jiffies(pm_qos_requirement(PM_QOS_NETWORK_LATENCY)));
++#endif
+ 
+ 		listen_int_exceeded = time_after(jiffies +
+ 				ieee80211_scan_get_channel_time(next_chan),
-- 
1.7.0.4

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