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From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
To: davem@davemloft.net
Cc: Jacob Keller <jacob.e.keller@intel.com>,
	netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com,
	jogreene@redhat.com, guru.anbalagane@oracle.com,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Subject: [net-next 14/20] fm10k: use common flow for suspend and resume
Date: Wed, 20 Jul 2016 15:23:52 -0700	[thread overview]
Message-ID: <1469053438-85381-15-git-send-email-jeffrey.t.kirsher@intel.com> (raw)
In-Reply-To: <1469053438-85381-1-git-send-email-jeffrey.t.kirsher@intel.com>

From: Jacob Keller <jacob.e.keller@intel.com>

Continuing the effort to commonize the similar suspend/resume flows,
finish up by using the new fm10k_handle_suspand and fm10k_handle_resume
functions for the standard suspend/resume flow.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---
 drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 73 ++--------------------------
 1 file changed, 3 insertions(+), 70 deletions(-)

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
index c60c3b0..b02361c 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
@@ -2186,60 +2186,13 @@ static int fm10k_resume(struct pci_dev *pdev)
 	/* refresh hw_addr in case it was dropped */
 	hw->hw_addr = interface->uc_addr;
 
-	/* reset hardware to known state */
-	err = hw->mac.ops.init_hw(&interface->hw);
-	if (err) {
-		dev_err(&pdev->dev, "init_hw failed: %d\n", err);
-		return err;
-	}
-
-	/* reset statistics starting values */
-	hw->mac.ops.rebind_hw_stats(hw, &interface->stats);
-
-	rtnl_lock();
-
-	err = fm10k_init_queueing_scheme(interface);
-	if (err)
-		goto err_queueing_scheme;
-
-	err = fm10k_mbx_request_irq(interface);
-	if (err)
-		goto err_mbx_irq;
-
-	err = fm10k_hw_ready(interface);
-	if (err)
-		goto err_open;
-
-	err = netif_running(netdev) ? fm10k_open(netdev) : 0;
+	err = fm10k_handle_resume(interface);
 	if (err)
-		goto err_open;
-
-	rtnl_unlock();
-
-	/* assume host is not ready, to prevent race with watchdog in case we
-	 * actually don't have connection to the switch
-	 */
-	interface->host_ready = false;
-	fm10k_watchdog_host_not_ready(interface);
-
-	/* clear the service task disable bit to allow service task to start */
-	clear_bit(__FM10K_SERVICE_DISABLE, &interface->state);
-	fm10k_service_event_schedule(interface);
-
-	/* restore SR-IOV interface */
-	fm10k_iov_resume(pdev);
+		return err;
 
 	netif_device_attach(netdev);
 
 	return 0;
-err_open:
-	fm10k_mbx_free_irq(interface);
-err_mbx_irq:
-	fm10k_clear_queueing_scheme(interface);
-err_queueing_scheme:
-	rtnl_unlock();
-
-	return err;
 }
 
 /**
@@ -2259,27 +2212,7 @@ static int fm10k_suspend(struct pci_dev *pdev,
 
 	netif_device_detach(netdev);
 
-	fm10k_iov_suspend(pdev);
-
-	/* the watchdog tasks may read registers, which will appear like a
-	 * surprise-remove event once the PCI device is disabled. This will
-	 * cause us to close the netdevice, so we don't retain the open/closed
-	 * state post-resume. Prevent this by disabling the service task while
-	 * suspended, until we actually resume.
-	 */
-	set_bit(__FM10K_SERVICE_DISABLE, &interface->state);
-	cancel_work_sync(&interface->service_task);
-
-	rtnl_lock();
-
-	if (netif_running(netdev))
-		fm10k_close(netdev);
-
-	fm10k_mbx_free_irq(interface);
-
-	fm10k_clear_queueing_scheme(interface);
-
-	rtnl_unlock();
+	fm10k_prepare_suspend(interface);
 
 	err = pci_save_state(pdev);
 	if (err)
-- 
2.5.5

  parent reply	other threads:[~2016-07-20 22:24 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-20 22:23 [net-next 00/20][pull request] 100GbE Intel Wired LAN Driver Updates 2016-07-20 Jeff Kirsher
2016-07-20 22:23 ` [net-next 01/20] fm10k: no need to continue in fm10k_down if __FM10K_DOWN already set Jeff Kirsher
2016-07-20 22:23 ` [net-next 02/20] fm10k: avoid possible null pointer dereference in fm10k_update_stats Jeff Kirsher
2016-07-20 22:23 ` [net-next 03/20] fm10k: prevent multiple threads updating statistics Jeff Kirsher
2016-07-20 22:23 ` [net-next 04/20] fm10k: Reset mailbox global interrupts Jeff Kirsher
2016-07-20 22:23 ` [net-next 05/20] fm10k: don't stop reset due to FM10K_ERR_REQUESTS_PENDING Jeff Kirsher
2016-07-20 22:23 ` [net-next 06/20] fm10k: perform data path reset even when switch is not ready Jeff Kirsher
2016-07-20 22:23 ` [net-next 07/20] fm10k: use actual hardware registers when checking for pending Tx Jeff Kirsher
2016-07-20 22:23 ` [net-next 08/20] fm10k: only warn when stop_hw fails with FM10K_ERR_REQUESTS_PENDING Jeff Kirsher
2016-07-20 22:23 ` [net-next 09/20] fm10k: wait for queues to drain if stop_hw() fails once Jeff Kirsher
2016-07-20 22:23 ` [net-next 10/20] fm10k: split fm10k_reinit into two functions Jeff Kirsher
2016-07-20 22:23 ` [net-next 11/20] fm10k: implement prepare_suspend and handle_resume Jeff Kirsher
2016-07-20 22:23 ` [net-next 12/20] fm10k: use common reset flow when handling io errors from PCI stack Jeff Kirsher
2016-07-20 22:23 ` [net-next 13/20] fm10k: implement reset_notify handler for PCIe FLR events Jeff Kirsher
2016-07-20 22:23 ` Jeff Kirsher [this message]
2016-07-20 22:23 ` [net-next 15/20] fm10k: enable bus master after every reset Jeff Kirsher
2016-07-20 22:23 ` [net-next 16/20] fm10k: check if PCIe link is restored Jeff Kirsher
2016-07-21 10:51   ` Sergei Shtylyov
2016-07-21 20:13     ` ~~ Keller, Jacob E
2016-07-20 22:23 ` [net-next 17/20] fm10k: implement request_lport_map pointer Jeff Kirsher
2016-07-20 22:23 ` [net-next 18/20] fm10k: force link to remain down for at least a second on resume events Jeff Kirsher
2016-07-20 22:23 ` [net-next 19/20] fm10k: return proper error code when pci_enable_msix_range fails Jeff Kirsher
2016-07-20 22:23 ` [net-next 20/20] fm10k: bump version number Jeff Kirsher
2016-07-21  5:05 ` [net-next 00/20][pull request] 100GbE Intel Wired LAN Driver Updates 2016-07-20 David Miller

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