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From: Kalle Valo <kvalo@codeaurora.org>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Carl Huang <cjhuang@codeaurora.org>,
	 Loic Poulain <loic.poulain@linaro.org>,
	 ath11k@lists.infradead.org,
	 linux-arm-msm <linux-arm-msm@vger.kernel.org>,
	 linux-wireless@vger.kernel.org,  regressions@lists.linux.dev
Subject: Re: [regression] mhi: ath11k resume fails on some devices
Date: Fri, 24 Sep 2021 12:07:41 +0300	[thread overview]
Message-ID: <8735putk82.fsf@codeaurora.org> (raw)
In-Reply-To: <20210923085926.GD6083@thinkpad> (Manivannan Sadhasivam's message of "Thu, 23 Sep 2021 14:29:26 +0530")

Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> writes:

> For aid debugging, please see the state the device is in during mhi_pm_resume().
> You can use below diff:
>
> diff --git a/drivers/bus/mhi/core/pm.c b/drivers/bus/mhi/core/pm.c
> index fb99e3727155..482d55dd209e 100644
> --- a/drivers/bus/mhi/core/pm.c
> +++ b/drivers/bus/mhi/core/pm.c
> @@ -898,6 +898,9 @@ int mhi_pm_resume(struct mhi_controller *mhi_cntrl)
>         if (MHI_PM_IN_ERROR_STATE(mhi_cntrl->pm_state))
>                 return -EIO;
>  
> +       dev_info(dev, "Device state: %s\n",
> +                TO_MHI_STATE_STR(mhi_get_mhi_state(mhi_cntrl)));
> +
>         if (mhi_get_mhi_state(mhi_cntrl) != MHI_STATE_M3)
>                 return -EINVAL;

This is what I get with my NUC testbox:

[  970.488202] ACPI: EC: event unblocked
[  970.492484] hpet: Lost 1587 RTC interrupts
[  970.492749] mhi mhi0: Device state: RESET
[  970.492805] ath11k_pci 0000:06:00.0: failed to set mhi state: RESUME(6)

-- 
https://patchwork.kernel.org/project/linux-wireless/list/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

  parent reply	other threads:[~2021-09-24  9:07 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-16  8:00 Kalle Valo
2021-09-16 10:18 ` Loic Poulain
2021-09-16 11:12   ` Manivannan Sadhasivam
     [not found]     ` <CAMZdPi94607mZorp+Zmkw3seWXak6p9Jr05CQ5hhfgKQoG8n7Q@mail.gmail.com>
2021-09-16 16:35       ` Manivannan Sadhasivam
2021-09-16 16:42         ` Kalle Valo
2021-09-16 17:19           ` Manivannan Sadhasivam
2021-09-23  8:34             ` Carl Huang
2021-09-23  8:59               ` Manivannan Sadhasivam
2021-09-23  9:26                 ` Carl Huang
2021-09-23 10:50                   ` Loic Poulain
2021-09-24  9:07                 ` Kalle Valo [this message]
2021-09-24  9:57                   ` Manivannan Sadhasivam
2021-10-07  9:55                     ` Kalle Valo
2021-10-21 10:01                       ` Manivannan Sadhasivam
2021-09-24  8:36   ` Kalle Valo
2021-09-24  9:43     ` Loic Poulain
2021-09-24 10:00       ` Manivannan Sadhasivam
2021-10-07  9:48       ` Kalle Valo
2021-10-19 12:12         ` Kalle Valo
2021-10-21 10:03           ` Manivannan Sadhasivam
2021-11-12 11:36             ` Thorsten Leemhuis
2021-11-18 17:41             ` Manivannan Sadhasivam
2021-12-01  7:34               ` Thorsten Leemhuis
2021-09-25 17:40 ` Thorsten Leemhuis

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