openwrtv4/package/mac80211/patches/120-pm_qos_params.patch

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--- 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)
@@ -6669,7 +6680,11 @@ 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;
@@ -6692,7 +6707,11 @@ 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);