From: Bruce Allan <bruce.w.allan@intel.com>
Date: Fri, 2 Aug 2019 08:25:29 +0000 (-0700)
Subject: ice: add needed PFR during driver unload
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=18057cb3578ae950c73b20588ad66a1f45fba68c;p=openwrt%2Fstaging%2Fblogic.git

ice: add needed PFR during driver unload

According to the specification, a PF Reset must be done as part of the
driver unload flow.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index b62c01ca9c28..8217b81eb9d8 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -2638,6 +2638,11 @@ static void ice_remove(struct pci_dev *pdev)
 	ice_deinit_pf(pf);
 	ice_deinit_hw(&pf->hw);
 	ice_clear_interrupt_scheme(pf);
+	/* Issue a PFR as part of the prescribed driver unload flow.  Do not
+	 * do it via ice_schedule_reset() since there is no need to rebuild
+	 * and the service task is already stopped.
+	 */
+	ice_reset(&pf->hw, ICE_RESET_PFR);
 	pci_disable_pcie_error_reporting(pdev);
 }