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* [PATCH] ath11k: fix IRQ affinity warning on shutdown
@ 2022-05-23 14:32 Johan Hovold
  2022-05-23 14:47 ` Johan Hovold
  2022-05-30 11:24 ` Kalle Valo
  0 siblings, 2 replies; 4+ messages in thread
From: Johan Hovold @ 2022-05-23 14:32 UTC (permalink / raw)
  To: Kalle Valo
  Cc: David S. Miller, Eric Dumazet, Jakub Kicinski, Paolo Abeni,
	ath11k, linux-wireless, netdev, linux-kernel, Johan Hovold

Make sure to clear the IRQ affinity hint also on shutdown to avoid
triggering a WARN_ON_ONCE() in __free_irq() when stopping MHI while
using a single MSI vector.

Fixes: e94b07493da3 ("ath11k: Set IRQ affinity to CPU0 in case of one MSI vector")
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 drivers/net/wireless/ath/ath11k/pci.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c
index dedf1b88ddf6..487a303b3077 100644
--- a/drivers/net/wireless/ath/ath11k/pci.c
+++ b/drivers/net/wireless/ath/ath11k/pci.c
@@ -920,7 +920,9 @@ static void ath11k_pci_remove(struct pci_dev *pdev)
 static void ath11k_pci_shutdown(struct pci_dev *pdev)
 {
 	struct ath11k_base *ab = pci_get_drvdata(pdev);
+	struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
 
+	ath11k_pci_set_irq_affinity_hint(ab_pci, NULL);
 	ath11k_pci_power_down(ab);
 }
 
-- 
2.35.1


^ permalink raw reply related	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2022-05-30 11:24 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2022-05-23 14:32 [PATCH] ath11k: fix IRQ affinity warning on shutdown Johan Hovold
2022-05-23 14:47 ` Johan Hovold
2022-05-23 19:03   ` Kalle Valo
2022-05-30 11:24 ` Kalle Valo

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