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From: Jimmy Assarsson <extja@kvaser.com>
To: linux-can@vger.kernel.org
Cc: Jimmy Assarsson <jimmyassarsson@gmail.com>,
	stable@vger.kernel.org, Jimmy Assarsson <extja@kvaser.com>
Subject: [PATCH 3/6] can: kvaser_pciefd: Call request_irq() before enabling interrupts
Date: Tue, 16 May 2023 15:43:15 +0200	[thread overview]
Message-ID: <20230516134318.104279-4-extja@kvaser.com> (raw)
In-Reply-To: <20230516134318.104279-1-extja@kvaser.com>

Make sure the interrupt handler is registered before enabling interrupts.

Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices")
Cc: stable@vger.kernel.org
Signed-off-by: Jimmy Assarsson <extja@kvaser.com>
---
 drivers/net/can/kvaser_pciefd.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/can/kvaser_pciefd.c b/drivers/net/can/kvaser_pciefd.c
index cdc894d12885..4b8591d48735 100644
--- a/drivers/net/can/kvaser_pciefd.c
+++ b/drivers/net/can/kvaser_pciefd.c
@@ -1827,6 +1827,11 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev,
 	if (err)
 		goto err_teardown_can_ctrls;
 
+	err = request_irq(pcie->pci->irq, kvaser_pciefd_irq_handler,
+			  IRQF_SHARED, KVASER_PCIEFD_DRV_NAME, pcie);
+	if (err)
+		goto err_teardown_can_ctrls;
+
 	iowrite32(KVASER_PCIEFD_SRB_IRQ_DPD0 | KVASER_PCIEFD_SRB_IRQ_DPD1,
 		  pcie->reg_base + KVASER_PCIEFD_SRB_IRQ_REG);
 
@@ -1847,11 +1852,6 @@ static int kvaser_pciefd_probe(struct pci_dev *pdev,
 	iowrite32(KVASER_PCIEFD_SRB_CMD_RDB1,
 		  pcie->reg_base + KVASER_PCIEFD_SRB_CMD_REG);
 
-	err = request_irq(pcie->pci->irq, kvaser_pciefd_irq_handler,
-			  IRQF_SHARED, KVASER_PCIEFD_DRV_NAME, pcie);
-	if (err)
-		goto err_teardown_can_ctrls;
-
 	err = kvaser_pciefd_reg_candev(pcie);
 	if (err)
 		goto err_free_irq;
-- 
2.40.0


  parent reply	other threads:[~2023-05-16 13:43 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-16 13:43 [PATCH 0/6] can: kvaser_pciefd: Bug fixes Jimmy Assarsson
2023-05-16 13:43 ` [PATCH 1/6] can: kvaser_pciefd: Set CAN_STATE_STOPPED in kvaser_pciefd_stop() Jimmy Assarsson
2023-05-16 13:43 ` [PATCH 2/6] can: kvaser_pciefd: Clear listen-only bit if not explicitly requested Jimmy Assarsson
2023-05-16 13:43 ` Jimmy Assarsson [this message]
2023-05-16 13:43 ` [PATCH 4/6] can: kvaser_pciefd: Empty SRB buffer in probe Jimmy Assarsson
2023-05-16 13:43 ` [PATCH 5/6] can: kvaser_pciefd: Do not send EFLUSH command on TFD interrupt Jimmy Assarsson
2023-05-16 13:43 ` [PATCH 6/6] can: kvaser_pciefd: Disable interrupts in probe error path Jimmy Assarsson
2023-05-17  7:03 ` [PATCH 0/6] can: kvaser_pciefd: Bug fixes Marc Kleine-Budde

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