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From: Roger Quadros <rogerq@ti.com>
To: <balbi@kernel.org>
Cc: <vivek.gautam@codeaurora.org>, <linux-usb@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, Roger Quadros <rogerq@ti.com>
Subject: [PATCH v2 2/4] usb: dwc3: omap: don't miss events during suspend/resume
Date: Thu, 16 Feb 2017 15:06:15 +0200	[thread overview]
Message-ID: <1487250377-13653-3-git-send-email-rogerq@ti.com> (raw)
In-Reply-To: <1487250377-13653-1-git-send-email-rogerq@ti.com>

The USB cable state can change during suspend/resume
so be sure to check and update the extcon state.

Signed-off-by: Roger Quadros <rogerq@ti.com>
---
 drivers/usb/dwc3/dwc3-omap.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index fe4efb8..a7de60e 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -598,9 +598,25 @@ static int dwc3_omap_resume(struct device *dev)
 	return 0;
 }
 
+static void dwc3_omap_complete(struct device *dev)
+{
+	struct dwc3_omap	*omap = dev_get_drvdata(dev);
+
+	if (extcon_get_state(omap->edev, EXTCON_USB))
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID);
+	else
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_OFF);
+
+	if (extcon_get_state(omap->edev, EXTCON_USB_HOST))
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND);
+	else
+		dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_FLOAT);
+}
+
 static const struct dev_pm_ops dwc3_omap_dev_pm_ops = {
 
 	SET_SYSTEM_SLEEP_PM_OPS(dwc3_omap_suspend, dwc3_omap_resume)
+	.complete = dwc3_omap_complete,
 };
 
 #define DEV_PM_OPS	(&dwc3_omap_dev_pm_ops)
-- 
2.7.4

  parent reply	other threads:[~2017-02-16 13:06 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-16 13:06 [PATCH v2 0/4] usb: dwc3: dual-role support Roger Quadros
2017-02-16 13:06 ` [PATCH v2 1/4] usb: dwc3: core.h: add some register definitions Roger Quadros
2017-02-16 13:06 ` Roger Quadros [this message]
2017-02-16 13:06 ` [PATCH v2 3/4] usb: dwc3: add dual-role support Roger Quadros
2017-03-28 11:07   ` Felipe Balbi
2017-03-29 11:33     ` Roger Quadros
2017-03-29 13:15       ` Felipe Balbi
2017-03-30  6:40         ` Roger Quadros
2017-03-30  9:27           ` Felipe Balbi
2017-04-03  5:31             ` John Youn
2017-02-16 13:06 ` [PATCH v2 4/4] usb: dwc3: Workaround for super-speed host on dra7 in dual-role mode Roger Quadros
2017-02-23  8:34   ` Vivek Gautam
2017-02-24  0:57     ` Peter Chen
2017-02-24  3:08       ` Vivek Gautam
2017-02-24 12:02     ` Roger Quadros
2017-02-25  3:46       ` Chanwoo Choi
2017-02-25  3:50         ` Chanwoo Choi
2017-02-28 13:54           ` Vivek Gautam
2017-02-25  3:35   ` Chanwoo Choi
2017-02-28 15:17     ` Roger Quadros
2017-03-28 11:10   ` Felipe Balbi
2017-03-29  9:57     ` Roger Quadros
2017-03-29 10:32       ` Felipe Balbi
2017-03-29 12:00         ` Roger Quadros
2017-03-29 13:21           ` Felipe Balbi
2017-03-29 13:58             ` Roger Quadros
2017-03-30  9:32               ` Felipe Balbi
2017-03-30 10:11                 ` Roger Quadros
2017-03-31  7:43         ` Roger Quadros
2017-03-31  7:46           ` Felipe Balbi
2017-03-31 11:50             ` Roger Quadros
2017-03-31 12:00               ` Felipe Balbi
2017-03-31 12:21                 ` Roger Quadros
2017-03-31 12:58                   ` Felipe Balbi
2017-03-13  8:33 ` [PATCH v2 0/4] usb: dwc3: dual-role support Roger Quadros
2017-03-28 10:27 ` Felipe Balbi
2017-03-29  9:50   ` Roger Quadros

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