This is a note to let you know that I've just added the patch titled usb: dwc3: qcom: Honor wakeup enabled/disabled state to the 5.11-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: usb-dwc3-qcom-honor-wakeup-enabled-disabled-state.patch and it can be found in the queue-5.11 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 2664deb0930643149d61cddbb66ada527ae180bd Mon Sep 17 00:00:00 2001 From: Matthias Kaehlcke <mka@xxxxxxxxxxxx> Date: Tue, 2 Mar 2021 10:37:03 -0800 Subject: usb: dwc3: qcom: Honor wakeup enabled/disabled state From: Matthias Kaehlcke <mka@xxxxxxxxxxxx> commit 2664deb0930643149d61cddbb66ada527ae180bd upstream. The dwc3-qcom currently enables wakeup interrupts unconditionally when suspending, however this should not be done when wakeup is disabled (e.g. through the sysfs attribute power/wakeup). Only enable wakeup interrupts when device_may_wakeup() returns true. Fixes: a4333c3a6ba9 ("usb: dwc3: Add Qualcomm DWC3 glue driver") Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> Cc: stable <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20210302103659.v2.1.I44954d9e1169f2cf5c44e6454d357c75ddfa99a2@changeid Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/dwc3/dwc3-qcom.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -358,8 +358,10 @@ static int dwc3_qcom_suspend(struct dwc3 if (ret) dev_warn(qcom->dev, "failed to disable interconnect: %d\n", ret); + if (device_may_wakeup(qcom->dev)) + dwc3_qcom_enable_interrupts(qcom); + qcom->is_suspended = true; - dwc3_qcom_enable_interrupts(qcom); return 0; } @@ -372,7 +374,8 @@ static int dwc3_qcom_resume(struct dwc3_ if (!qcom->is_suspended) return 0; - dwc3_qcom_disable_interrupts(qcom); + if (device_may_wakeup(qcom->dev)) + dwc3_qcom_disable_interrupts(qcom); for (i = 0; i < qcom->num_clocks; i++) { ret = clk_prepare_enable(qcom->clks[i]); Patches currently in stable-queue which might be from mka@xxxxxxxxxxxx are queue-5.11/usb-dwc3-qcom-honor-wakeup-enabled-disabled-state.patch