From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
To: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>,
Felipe Balbi <balbi@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Cc: John Youn <John.Youn@synopsys.com>
Subject: Re: [PATCH v2 11/15] usb: dwc2: Add hibernation entering flow by system suspend
Date: Mon, 19 Apr 2021 07:31:40 +0000 [thread overview]
Message-ID: <aea3a5ad-d511-743f-90f8-3735a07a2b24@synopsys.com> (raw)
In-Reply-To: <20210416124811.BBFDBA005C@mailhost.synopsys.com>
On 4/16/2021 4:48 PM, Artur Petrosyan wrote:
> Adds a new flow of entering hibernation when PC is
> hibernated or suspended.
>
> Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
Acked-by: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
> ---
> Changes in v2:
> - None
>
> drivers/usb/dwc2/hcd.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
> index 093b1717df01..92848629cc61 100644
> --- a/drivers/usb/dwc2/hcd.c
> +++ b/drivers/usb/dwc2/hcd.c
> @@ -4387,6 +4387,16 @@ static int _dwc2_hcd_suspend(struct usb_hcd *hcd)
> clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
> break;
> case DWC2_POWER_DOWN_PARAM_HIBERNATION:
> + /* Enter hibernation */
> + spin_unlock_irqrestore(&hsotg->lock, flags);
> + ret = dwc2_enter_hibernation(hsotg, 1);
> + if (ret)
> + dev_err(hsotg->dev, "enter hibernation failed\n");
> + spin_lock_irqsave(&hsotg->lock, flags);
> +
> + /* After entering suspend, hardware is not accessible */
> + clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
> + break;
> case DWC2_POWER_DOWN_PARAM_NONE:
> /*
> * If not hibernation nor partial power down are supported,
>
next prev parent reply other threads:[~2021-04-19 7:31 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1618464534.git.Arthur.Petrosyan@synopsys.com>
2021-04-15 5:39 ` [PATCH 01/15] usb: dwc2: Update exit hibernation when port reset is asserted Artur Petrosyan
2021-04-15 5:39 ` [PATCH 02/15] usb: dwc2: Reset DEVADDR after exiting gadget hibernation Artur Petrosyan
2021-04-15 5:39 ` [PATCH 03/15] usb: dwc2: Fix host mode hibernation exit with remote wakeup flow Artur Petrosyan
2021-04-15 5:39 ` [PATCH 04/15] usb: dwc2: Fix hibernation between host and device modes Artur Petrosyan
2021-04-15 5:40 ` [PATCH 05/15] usb: dwc2: Allow exiting hibernation from gpwrdn rst detect Artur Petrosyan
2021-04-15 5:40 ` [PATCH 06/15] usb: dwc2: Clear fifo_map when resetting core Artur Petrosyan
2021-04-15 5:40 ` [PATCH 07/15] usb: dwc2: Clear GINTSTS_RESTOREDONE bit after restore is generated Artur Petrosyan
2021-04-15 5:40 ` [PATCH 08/15] usb: dwc2: Move enter hibernation to dwc2_port_suspend() function Artur Petrosyan
2021-04-15 5:40 ` [PATCH 09/15] usb: dwc2: Move exit hibernation to dwc2_port_resume() function Artur Petrosyan
2021-04-15 5:40 ` [PATCH 10/15] usb: dwc2: Allow exit hibernation in urb enqueue Artur Petrosyan
2021-04-15 9:12 ` Sergei Shtylyov
2021-04-16 5:43 ` Artur Petrosyan
2021-04-16 7:05 ` Artur Petrosyan
2021-04-15 5:40 ` [PATCH 11/15] usb: dwc2: Add hibernation entering flow by system suspend Artur Petrosyan
2021-04-15 5:40 ` [PATCH 12/15] usb: dwc2: Add hibernation exiting flow by system resume Artur Petrosyan
2021-04-15 5:41 ` [PATCH 13/15] usb: dwc2: Add exit hibernation mode before removing drive Artur Petrosyan
2021-04-15 9:24 ` Sergei Shtylyov
2021-04-16 5:46 ` Artur Petrosyan
2021-04-15 9:50 ` kernel test robot
2021-04-15 13:40 ` [kbuild] " Dan Carpenter
2021-04-15 5:41 ` [PATCH 14/15] usb: dwc2: Update dwc2_handle_usb_suspend_intr function Artur Petrosyan
2021-04-15 5:41 ` [PATCH 15/15] usb: dwc2: Get rid of useless error checks in suspend interrupt Artur Petrosyan
2021-04-16 12:46 ` [PATCH v2 00/15] usb: dwc2: Fix Hibernation issues Artur Petrosyan
2021-04-16 12:46 ` [PATCH v2 01/15] usb: dwc2: Update exit hibernation when port reset is asserted Artur Petrosyan
2021-04-19 7:30 ` Minas Harutyunyan
2021-04-16 12:46 ` [PATCH v2 02/15] usb: dwc2: Reset DEVADDR after exiting gadget hibernation Artur Petrosyan
2021-04-16 12:47 ` [PATCH v2 03/15] usb: dwc2: Fix host mode hibernation exit with remote wakeup flow Artur Petrosyan
2021-04-19 7:30 ` Minas Harutyunyan
2021-04-16 12:47 ` [PATCH v2 04/15] usb: dwc2: Fix hibernation between host and device modes Artur Petrosyan
2021-04-16 12:47 ` [PATCH v2 05/15] usb: dwc2: Allow exiting hibernation from gpwrdn rst detect Artur Petrosyan
2021-04-16 12:47 ` [PATCH v2 06/15] usb: dwc2: Clear fifo_map when resetting core Artur Petrosyan
2021-04-16 12:47 ` [PATCH v2 07/15] usb: dwc2: Clear GINTSTS_RESTOREDONE bit after restore is generated Artur Petrosyan
2021-04-16 12:47 ` [PATCH v2 08/15] usb: dwc2: Move enter hibernation to dwc2_port_suspend() function Artur Petrosyan
2021-04-19 7:31 ` Minas Harutyunyan
2021-04-16 12:47 ` [PATCH v2 09/15] usb: dwc2: Move exit hibernation to dwc2_port_resume() function Artur Petrosyan
2021-04-19 7:31 ` Minas Harutyunyan
2021-04-16 12:48 ` [PATCH v2 10/15] usb: dwc2: Allow exit hibernation in urb enqueue Artur Petrosyan
2021-04-19 7:31 ` Minas Harutyunyan
2021-04-16 12:48 ` [PATCH v2 11/15] usb: dwc2: Add hibernation entering flow by system suspend Artur Petrosyan
2021-04-19 7:31 ` Minas Harutyunyan [this message]
2021-04-16 12:48 ` [PATCH v2 12/15] usb: dwc2: Add hibernation exiting flow by system resume Artur Petrosyan
2021-04-19 7:31 ` Minas Harutyunyan
2021-04-16 12:48 ` [PATCH v2 13/15] usb: dwc2: Add exit hibernation mode before removing drive Artur Petrosyan
2021-04-19 7:32 ` Minas Harutyunyan
2021-04-16 12:48 ` [PATCH v2 14/15] usb: dwc2: Update dwc2_handle_usb_suspend_intr function Artur Petrosyan
2021-04-16 12:48 ` [PATCH v2 15/15] usb: dwc2: Get rid of useless error checks in suspend interrupt Artur Petrosyan
2021-04-19 7:32 ` Minas Harutyunyan
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