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 v3 10/14] usb: dwc2: Allow exit partial power down in urb enqueue
Date: Thu, 08 Apr 2021 13:45:41 +0400 [thread overview]
Message-ID: <20210408094542.685BAA0094@mailhost.synopsys.com> (raw)
In-Reply-To: <cover.1617782102.git.Arthur.Petrosyan@synopsys.com>
When core is in partial power down state and an external
hub is connected, upper layer sends URB enqueue request,
which results in port reset issue.
Added exit from partial power down state to avoid port
reset issue and process upper layer request correctly.
Signed-off-by: Artur Petrosyan <Arthur.Petrosyan@synopsys.com>
---
Changes in v3:
- None
Changes in v2:
- None
drivers/usb/dwc2/hcd.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 9529e9839961..cb52bc41bfb8 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -4633,6 +4633,13 @@ static int _dwc2_hcd_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
dwc2_dump_urb_info(hcd, urb, "urb_enqueue");
}
+ if (hsotg->in_ppd) {
+ retval = dwc2_exit_partial_power_down(hsotg, 0, true);
+ if (retval)
+ dev_err(hsotg->dev,
+ "exit partial_power_down failed\n");
+ }
+
if (!ep)
return -EINVAL;
--
2.25.1
next prev parent reply other threads:[~2021-04-08 9:45 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 10:00 [PATCH 00/14] usb: dwc2: Fix Partial Power down issues Artur Petrosyan
2021-04-07 10:08 ` [PATCH 13/14] usb: dwc2: Fix partial power down exiting by system resume Artur Petrosyan
2021-04-08 5:57 ` [PATCH 00/14] usb: dwc2: Fix Partial Power down issues Artur Petrosyan
2021-04-08 6:09 ` Greg Kroah-Hartman
2021-04-08 7:28 ` [PATCH v2 " Artur Petrosyan
2021-04-08 9:17 ` Artur Petrosyan
2021-04-08 10:09 ` Artur Petrosyan
2021-04-08 11:00 ` Greg Kroah-Hartman
2021-04-08 7:30 ` [PATCH v2 13/14] usb: dwc2: Fix partial power down exiting by system resume Artur Petrosyan
2021-04-08 9:44 ` [PATCH v3 00/14] usb: dwc2: Fix Partial Power down issues Artur Petrosyan
2021-04-08 9:44 ` [PATCH v3 01/14] usb: dwc2: Add device partial power down functions Artur Petrosyan
2021-04-08 9:44 ` [PATCH v3 02/14] usb: dwc2: Add host " Artur Petrosyan
2021-04-08 9:44 ` [PATCH v3 03/14] usb: dwc2: Update enter and exit " Artur Petrosyan
2021-04-08 9:44 ` [PATCH v3 04/14] usb: dwc2: Add partial power down exit flow in wakeup intr Artur Petrosyan
2021-04-08 9:45 ` [PATCH v3 05/14] usb: dwc2: Update port suspend/resume function definitions Artur Petrosyan
2021-04-08 13:39 ` Minas Harutyunyan
2021-04-08 9:45 ` [PATCH v3 06/14] usb: dwc2: Add enter partial power down when port is suspended Artur Petrosyan
2021-04-08 13:39 ` Minas Harutyunyan
2021-04-08 9:45 ` [PATCH v3 07/14] usb: dwc2: Add exit partial power down when port is resumed Artur Petrosyan
2021-04-08 13:39 ` Minas Harutyunyan
2021-04-08 9:45 ` [PATCH v3 08/14] usb: dwc2: Add exit partial power down when port reset is asserted Artur Petrosyan
2021-04-08 13:39 ` Minas Harutyunyan
2021-04-08 9:45 ` [PATCH v3 09/14] usb: dwc2: Add part. power down exit from dwc2_conn_id_status_change() Artur Petrosyan
2021-04-08 9:45 ` Artur Petrosyan [this message]
2021-04-08 13:40 ` [PATCH v3 10/14] usb: dwc2: Allow exit partial power down in urb enqueue Minas Harutyunyan
2021-04-08 9:45 ` [PATCH v3 11/14] usb: dwc2: Fix session request interrupt handler Artur Petrosyan
2021-04-08 9:45 ` [PATCH v3 12/14] usb: dwc2: Update partial power down entering by system suspend Artur Petrosyan
2021-04-08 13:40 ` Minas Harutyunyan
2021-04-08 9:46 ` [PATCH v3 13/14] usb: dwc2: Fix partial power down exiting by system resume Artur Petrosyan
2021-04-08 13:40 ` Minas Harutyunyan
2021-04-08 9:46 ` [PATCH v3 14/14] usb: dwc2: Add exit partial power down before removing driver Artur Petrosyan
2021-04-08 13:41 ` Minas Harutyunyan
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