Signed-off-by: mark gross mgross@linux.intel.com --- drivers/net/e1000e/netdev.c | 22 ++++++++++++---------- drivers/net/igbvf/netdev.c | 6 ++++-- include/linux/netdevice.h | 4 ++++ 3 files changed, 20 insertions(+), 12 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index c3105c5..939f8f9 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -2518,12 +2518,12 @@ static void e1000_configure_rx(struct e1000_adapter *adapter) * excessive C-state transition latencies result in * dropped transactions. */ - pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY, - adapter->netdev->name, 55); + pm_qos_update_request( + adapter->netdev->pm_qos_req, 55); } else { - pm_qos_update_requirement(PM_QOS_CPU_DMA_LATENCY, - adapter->netdev->name, - PM_QOS_DEFAULT_VALUE); + pm_qos_update_request( + adapter->netdev->pm_qos_req, + PM_QOS_DEFAULT_VALUE); } }

@@ -2833,8 +2833,8 @@ int e1000e_up(struct e1000_adapter *adapter)

/* DMA latency requirement to workaround early-receive/jumbo issue */ if (adapter->flags & FLAG_HAS_ERT) - pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, - adapter->netdev->name, + adapter->netdev->pm_qos_req = + pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE);

/* hardware has been reset, we need to reload some things */ @@ -2897,9 +2897,11 @@ void e1000e_down(struct e1000_adapter *adapter) e1000_clean_tx_ring(adapter); e1000_clean_rx_ring(adapter);

- if (adapter->flags & FLAG_HAS_ERT) - pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY, - adapter->netdev->name); + if (adapter->flags & FLAG_HAS_ERT) { + pm_qos_remove_request( + adapter->netdev->pm_qos_req); + adapter->netdev->pm_qos_req = NULL; + }

/* * TODO: for power management, we could drop the link and diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c index a127620..6751da8 100644 --- a/drivers/net/igbvf/netdev.c +++ b/drivers/net/igbvf/netdev.c @@ -47,6 +47,7 @@ #define DRV_VERSION "1.0.0-k0" char igbvf_driver_name[] = "igbvf"; const char igbvf_driver_version[] = DRV_VERSION; +struct pm_qos_request_list *igbvf_driver_pm_qos_req; static const char igbvf_driver_string[] = "Intel(R) Virtual Function Network Driver"; static const char igbvf_copyright[] = "Copyright (c) 2009 Intel Corporation."; @@ -2912,7 +2913,7 @@ static int __init igbvf_init_module(void) printk(KERN_INFO "%s\n", igbvf_copyright);

ret = pci_register_driver(&igbvf_driver); - pm_qos_add_requirement(PM_QOS_CPU_DMA_LATENCY, igbvf_driver_name, + igbvf_driver_pm_qos_req = pm_qos_add_request(PM_QOS_CPU_DMA_LATENCY, PM_QOS_DEFAULT_VALUE);

return ret; @@ -2928,7 +2929,8 @@ module_init(igbvf_init_module); static void __exit igbvf_exit_module(void) { pci_unregister_driver(&igbvf_driver); - pm_qos_remove_requirement(PM_QOS_CPU_DMA_LATENCY, igbvf_driver_name); + pm_qos_remove_request(igbvf_driver_pm_qos_req); + igbvf_driver_pm_qos_req = NULL; } module_exit(igbvf_exit_module);

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index daf13d3..4437eb5 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -30,6 +30,7 @@ #include <linux/if_packet.h>

#ifdef __KERNEL__ +#include <linux/pm_qos_params.h> #include <linux/timer.h> #include <linux/delay.h> #include <linux/mm.h> @@ -693,6 +694,9 @@ struct net_device { * the interface. */ char name[IFNAMSIZ]; + + struct pm_qos_request_list *pm_qos_req; + /* device name hash chain */ struct hlist_node name_hlist; /* snmp alias */