From 5c47e3ba6fe52465603cf9d816b3371e6881d649 Mon Sep 17 00:00:00 2001 From: Igor Russkikh Date: Fri, 30 Aug 2019 12:08:36 +0000 Subject: [PATCH] net: aquantia: linkstate irq should be oneshot Declaring threaded irq handler should also indicate the irq is oneshot. It is oneshot indeed, because HW implements irq automasking on trigger. Not declaring this causes some kernel configurations to fail on interface up, because request_threaded_irq returned an err code. The issue was originally hidden on normal x86_64 configuration with latest kernel, because depending on interrupt controller, irq driver added ONESHOT flag on its own. Issue was observed on older kernels (4.14) where no such logic exists. Fixes: 4c83f170b3ac ("net: aquantia: link status irq handling") Signed-off-by: Igor Russkikh Reported-by: Michael Symolkin Signed-off-by: David S. Miller --- drivers/net/ethernet/aquantia/atlantic/aq_nic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index e1392766e21e..8f66e7817811 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -393,7 +393,7 @@ int aq_nic_start(struct aq_nic_s *self) self->aq_nic_cfg.link_irq_vec); err = request_threaded_irq(irqvec, NULL, aq_linkstate_threaded_isr, - IRQF_SHARED, + IRQF_SHARED | IRQF_ONESHOT, self->ndev->name, self); if (err < 0) goto err_exit; -- GitLab