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44 lines
1.5 KiB
Diff
44 lines
1.5 KiB
Diff
From 7c15430822e71e90203d87e6d0cfe83fa058b0dc Mon Sep 17 00:00:00 2001
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From: Len Brown <len.brown@intel.com>
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Date: Wed, 1 Feb 2023 12:32:01 -0600
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Subject: [PATCH] wifi: ath11k: allow system suspend to survive ath11k
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When ath11k runs into internal errors upon suspend,
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it returns an error code to pci_pm_suspend, which
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aborts the entire system suspend.
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The driver should not abort system suspend, but should
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keep its internal errors to itself, and allow the system
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to suspend. Otherwise, a user can suspend a laptop
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by closing the lid and sealing it into a case, assuming
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that is will suspend, rather than heating up and draining
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the battery when in transit.
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In practice, the ath11k device seems to have plenty of transient
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errors, and subsequent suspend cycles after this failure
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often succeed.
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https://bugzilla.kernel.org/show_bug.cgi?id=216968
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Fixes: d1b0c33850d29 ("ath11k: implement suspend for QCA6390 PCI devices")
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Signed-off-by: Len Brown <len.brown@intel.com>
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Cc: stable@vger.kernel.org
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Signed-off-by: Kalle Valo <kvalo@kernel.org>
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Link: https://lore.kernel.org/r/20230201183201.14431-1-len.brown@intel.com
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---
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drivers/net/wireless/ath/ath11k/pci.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/wireless/ath/ath11k/pci.c
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+++ b/drivers/net/wireless/ath/ath11k/pci.c
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@@ -998,7 +998,7 @@ static __maybe_unused int ath11k_pci_pm_
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if (ret)
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ath11k_warn(ab, "failed to resume core: %d\n", ret);
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- return ret;
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+ return 0;
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}
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static SIMPLE_DEV_PM_OPS(ath11k_pci_pm_ops,
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