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From: Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>
To: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>,
	John Youn <John.Youn@synopsys.com>,
	Felipe Balbi <balbi@kernel.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Artur Petrosyan <Arthur.Petrosyan@synopsys.com>,
	Vardan Mikayelyan <Vardan.Mikayelyan@synopsys.com>,
	Grigor Tovmasyan <Grigor.Tovmasyan@synopsys.com>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 03/15] usb: dwc2: Fix host mode hibernation exit with remote wakeup flow.
Date: Mon, 19 Apr 2021 07:30:38 +0000	[thread overview]
Message-ID: <f058e382-dd73-5978-b48a-0efb0cd167a4@synopsys.com> (raw)
In-Reply-To: <20210416124707.5EEC2A005D@mailhost.synopsys.com>

On 4/16/2021 4:47 PM, Artur Petrosyan wrote:
> Added setting "port_connect_status_change" flag to "1" in order
> to re-enumerate, because after exit from hibernation port
> connection status is not detected.
> 
> Fixes: c5c403dc4336 ("usb: dwc2: Add host/device hibernation functions")
> 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, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
> index cda3f931195d..ff945c40ef8a 100644
> --- a/drivers/usb/dwc2/hcd.c
> +++ b/drivers/usb/dwc2/hcd.c
> @@ -5650,7 +5650,15 @@ int dwc2_host_exit_hibernation(struct dwc2_hsotg *hsotg, int rem_wakeup,
>   		return ret;
>   	}
>   
> -	dwc2_hcd_rem_wakeup(hsotg);
> +	if (rem_wakeup) {
> +		dwc2_hcd_rem_wakeup(hsotg);
> +		/*
> +		 * Change "port_connect_status_change" flag to re-enumerate,
> +		 * because after exit from hibernation port connection status
> +		 * is not detected.
> +		 */
> +		hsotg->flags.b.port_connect_status_change = 1;
> +	}
>   
>   	hsotg->hibernated = 0;
>   	hsotg->bus_suspended = 0;
> 


  reply	other threads:[~2021-04-19  7:31 UTC|newest]

Thread overview: 50+ 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  9:50     ` kernel test robot
2021-04-15 13:40   ` [kbuild] " Dan Carpenter
2021-04-15 13:40     ` Dan Carpenter
2021-04-15 13:40     ` 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 [this message]
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
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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