This is a note to let you know that I've just added the patch titled
can: kvaser_pciefd: Call request_irq() before enabling interrupts
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
can-kvaser_pciefd-call-request_irq-before-enabling-interrupts.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 84762d8da89d29ba842317eb842973e628c27391 Mon Sep 17 00:00:00 2001
From: Jimmy Assarsson <extja@xxxxxxxxxx>
Date: Tue, 16 May 2023 15:43:15 +0200
Subject: can: kvaser_pciefd: Call request_irq() before enabling interrupts
From: Jimmy Assarsson <extja@xxxxxxxxxx>
commit 84762d8da89d29ba842317eb842973e628c27391 upstream.
Make sure the interrupt handler is registered before enabling interrupts.
Fixes: 26ad340e582d ("can: kvaser_pciefd: Add driver for Kvaser PCIEcan devices")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Jimmy Assarsson <extja@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230516134318.104279-4-extja@xxxxxxxxxx
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/can/kvaser_pciefd.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/drivers/net/can/kvaser_pciefd.c
+++ b/drivers/net/can/kvaser_pciefd.c
@@ -1825,6 +1825,11 @@ static int kvaser_pciefd_probe(struct pc
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);
@@ -1845,11 +1850,6 @@ static int kvaser_pciefd_probe(struct pc
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;
Patches currently in stable-queue which might be from extja@xxxxxxxxxx are
queue-5.15/can-kvaser_pciefd-call-request_irq-before-enabling-interrupts.patch
queue-5.15/can-kvaser_pciefd-set-can_state_stopped-in-kvaser_pciefd_stop.patch
queue-5.15/can-kvaser_pciefd-clear-listen-only-bit-if-not-explicitly-requested.patch
queue-5.15/can-kvaser_pciefd-empty-srb-buffer-in-probe.patch
queue-5.15/can-kvaser_pciefd-disable-interrupts-in-probe-error-path.patch
queue-5.15/can-kvaser_pciefd-do-not-send-eflush-command-on-tfd-interrupt.patch
