From: Mitch Williams Date: Wed, 23 Dec 2015 20:05:52 +0000 (-0800) Subject: i40evf: enable bus master after reset X-Git-Tag: v4.6-rc1~91^2~257^2~4 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=509a447ae80c2e48b991fa7556a1b0d2a7ee8a51;p=platform%2Fkernel%2Flinux-exynos.git i40evf: enable bus master after reset If the VF is reset via VFLR, the device will be knocked out of bus master mode, and the driver will fail to recover from the reset. Fix this by enabling bus mastering after every reset. In a non-VFLR case, the bus master bit will not be disabled, and this call will have no effect. Change-ID: Id515859ac7a691db478222228add6d149e96801a Signed-off-by: Mitch Williams Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index 66964eb..933f1fc 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -1837,6 +1837,7 @@ static void i40evf_reset_task(struct work_struct *work) break; msleep(I40EVF_RESET_WAIT_MS); } + pci_set_master(adapter->pdev); /* extra wait to make sure minimum wait is met */ msleep(I40EVF_RESET_WAIT_MS); if (i == I40EVF_RESET_WAIT_COUNT) {