From: Felipe Balbi <balbi@kernel.org>
To: Sandeep Maheswaram <sanm@codeaurora.org>,
Andy Gross <agross@kernel.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Stephen Boyd <swboyd@chromium.org>,
Doug Anderson <dianders@chromium.org>,
Matthias Kaehlcke <mka@chromium.org>
Cc: linux-arm-msm@vger.kernel.org, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org,
Manu Gautam <mgautam@codeaurora.org>,
Sandeep Maheswaram <sanm@codeaurora.org>
Subject: Re: [PATCH v7 2/5] usb: dwc3: core: Host wake up support from system suspend
Date: Wed, 28 Apr 2021 12:59:19 +0300 [thread overview]
Message-ID: <87r1iuk9vs.fsf@kernel.org> (raw)
In-Reply-To: <1619586716-8687-3-git-send-email-sanm@codeaurora.org>
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Hi,
Sandeep Maheswaram <sanm@codeaurora.org> writes:
> Avoiding phy powerdown when wakeup capable devices are connected
> by checking phy_power_off flag.
> Phy should be on to wake up the device from suspend using wakeup capable
> devices such as keyboard and mouse.
>
> Signed-off-by: Sandeep Maheswaram <sanm@codeaurora.org>
> Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
> ---
> drivers/usb/dwc3/core.c | 7 +++++--
> 1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
> index b6e53d8..bb414c3 100644
> --- a/drivers/usb/dwc3/core.c
> +++ b/drivers/usb/dwc3/core.c
> @@ -1738,7 +1738,7 @@ static int dwc3_suspend_common(struct dwc3 *dwc, pm_message_t msg)
> dwc3_core_exit(dwc);
> break;
> case DWC3_GCTL_PRTCAP_HOST:
> - if (!PMSG_IS_AUTO(msg)) {
> + if (!PMSG_IS_AUTO(msg) && dwc->phy_power_off) {
should be able to detect this generically, no? Shouldn't
device_may_wakeup() be valid here and give you the answer you want?
--
balbi
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next prev parent reply other threads:[~2021-04-28 9:59 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-28 5:11 [PATCH v7 0/5] USB DWC3 host wake up support from system suspend Sandeep Maheswaram
2021-04-28 5:11 ` [PATCH v7 1/5] usb: dwc3: host: Set PHY mode during suspend Sandeep Maheswaram
2021-04-28 9:55 ` Felipe Balbi
[not found] ` <fd927828-a414-cd42-1e4a-b9e9b0744a3a@codeaurora.org>
2021-05-03 11:16 ` Felipe Balbi
2021-05-12 19:12 ` Matthias Kaehlcke
2021-05-13 13:46 ` Felipe Balbi
2021-05-13 14:37 ` Matthias Kaehlcke
2021-04-28 5:11 ` [PATCH v7 2/5] usb: dwc3: core: Host wake up support from system suspend Sandeep Maheswaram
2021-04-28 9:59 ` Felipe Balbi [this message]
2021-05-03 4:33 ` Sandeep Maheswaram
2021-05-03 11:20 ` Felipe Balbi
2021-05-12 21:47 ` Matthias Kaehlcke
2021-05-26 4:29 ` Sandeep Maheswaram
2021-04-28 5:11 ` [PATCH v7 3/5] usb: dwc3: qcom: Add helper functions to enable,disable wake irqs Sandeep Maheswaram
2021-04-28 5:11 ` [PATCH v7 4/5] usb: dwc3: qcom: Configure wakeup interrupts during suspend Sandeep Maheswaram
2021-04-28 10:02 ` Felipe Balbi
2021-04-28 5:11 ` [PATCH v7 5/5] usb: dwc3: qcom: Keep power domain on to support wakeup Sandeep Maheswaram
2021-04-28 10:04 ` Felipe Balbi
2021-05-13 0:23 ` Matthias Kaehlcke
2021-05-13 13:49 ` Felipe Balbi
2021-05-13 14:34 ` Matthias Kaehlcke
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