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e1000e: Move pm_qos_req to e1000e adapter

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e1000e is the only driver requiring pm_qos_req, instead of causing
every device to waste up to 240 bytes. Allocate it for the specific
driver.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Graf 2015-04-10 15:52:37 +02:00 • committed by David S. Miller
parent cf89013808
commit e2c6544829
3 changed files with 5 additions and 5 deletions
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1
drivers/net/ethernet/intel/e1000e/e1000.h
View file

@ -343,6 +343,7 @@ struct e1000_adapter {
struct timecounter tc; struct timecounter tc;
struct ptp_clock *ptp_clock; struct ptp_clock *ptp_clock;
struct ptp_clock_info ptp_clock_info; struct ptp_clock_info ptp_clock_info;
struct pm_qos_request pm_qos_req;
u16 eee_advert; u16 eee_advert;
}; };

8
drivers/net/ethernet/intel/e1000e/netdev.c
View file

@ -3297,9 +3297,9 @@ static void e1000_configure_rx(struct e1000_adapter *adapter)
ew32(RXDCTL(0), rxdctl | 0x3); ew32(RXDCTL(0), rxdctl | 0x3);
} }
pm_qos_update_request(&adapter->netdev->pm_qos_req, lat); pm_qos_update_request(&adapter->pm_qos_req, lat);
} else { } else {
pm_qos_update_request(&adapter->netdev->pm_qos_req, pm_qos_update_request(&adapter->pm_qos_req,
PM_QOS_DEFAULT_VALUE); PM_QOS_DEFAULT_VALUE);
} }
@ -4403,7 +4403,7 @@ static int e1000_open(struct net_device *netdev)
e1000_update_mng_vlan(adapter); e1000_update_mng_vlan(adapter);
/* DMA latency requirement to workaround jumbo issue */ /* DMA latency requirement to workaround jumbo issue */
pm_qos_add_request(&adapter->netdev->pm_qos_req, PM_QOS_CPU_DMA_LATENCY, pm_qos_add_request(&adapter->pm_qos_req, PM_QOS_CPU_DMA_LATENCY,
PM_QOS_DEFAULT_VALUE); PM_QOS_DEFAULT_VALUE);
/* before we allocate an interrupt, we must be ready to handle it. /* before we allocate an interrupt, we must be ready to handle it.
@ -4514,7 +4514,7 @@ static int e1000_close(struct net_device *netdev)
!test_bit(__E1000_TESTING, &adapter->state)) !test_bit(__E1000_TESTING, &adapter->state))
e1000e_release_hw_control(adapter); e1000e_release_hw_control(adapter);
pm_qos_remove_request(&adapter->netdev->pm_qos_req); pm_qos_remove_request(&adapter->pm_qos_req);
pm_runtime_put_sync(&pdev->dev); pm_runtime_put_sync(&pdev->dev);

1
include/linux/netdevice.h
View file

@ -1751,7 +1751,6 @@ struct net_device {
#endif #endif
struct phy_device *phydev; struct phy_device *phydev;
struct lock_class_key *qdisc_tx_busylock; struct lock_class_key *qdisc_tx_busylock;
struct pm_qos_request pm_qos_req;
}; };
#define to_net_dev(d) container_of(d, struct net_device, dev) #define to_net_dev(d) container_of(d, struct net_device, dev)