From: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
To: Felipe Balbi <balbi@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Minas Harutyunyan <Minas.Harutyunyan@synopsys.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: John Youn <John.Youn@synopsys.com>,
Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
Subject: [PATCH v2 12/15] usb: dwc2: Add hibernation exiting flow by system resume
Date: Fri, 16 Apr 2021 16:48:18 +0400 [thread overview]
Message-ID: <20210416124819.A3B26A005C@mailhost.synopsys.com> (raw)
In-Reply-To: <cover.1618464534.git.Arthur.Petrosyan@synopsys.com>
Adds a new flow of exiting hibernation when PC is resumed
from suspend state.
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@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 92848629cc61..035d4911a3c3 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -4470,6 +4470,16 @@ static int _dwc2_hcd_resume(struct usb_hcd *hcd)
set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
break;
case DWC2_POWER_DOWN_PARAM_HIBERNATION:
+ ret = dwc2_exit_hibernation(hsotg, 0, 0, 1);
+ if (ret)
+ dev_err(hsotg->dev, "exit hibernation failed.\n");
+
+ /*
+ * Set HW accessible bit before powering on the controller
+ * since an interrupt may rise.
+ */
+ set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+ break;
case DWC2_POWER_DOWN_PARAM_NONE:
/*
* If not hibernation nor partial power down are supported,
--
2.25.1
next prev parent reply other threads:[~2021-04-16 12:48 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
2021-04-16 12:48 ` Artur Petrosyan [this message]
2021-04-19 7:31 ` [PATCH v2 12/15] usb: dwc2: Add hibernation exiting flow by system resume 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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