linux-kernel - [PATCH 4.2 102/124] usb: dwc3: pci: Add platform data for Synopsys HAPS

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Message-Id: <20151207144924.704882557@linuxfoundation.org>
Date:	Mon,  7 Dec 2015 09:56:32 -0500
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, John Youn <johnyoun@...opsys.com>,
	Felipe Balbi <balbi@...com>
Subject: [PATCH 4.2 102/124] usb: dwc3: pci: Add platform data for Synopsys HAPS

4.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: John Youn <John.Youn@...opsys.com>

commit bb7f3d6d323a56b9c3b3e727380d1395a7f10107 upstream.

Add platform data and set usb3_lpm_capable and has_lpm_erratum.

Signed-off-by: John Youn <johnyoun@...opsys.com>
Signed-off-by: Felipe Balbi <balbi@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/dwc3/dwc3-pci.c |   15 +++++++++++++++
 1 file changed, 15 insertions(+)

--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -102,6 +102,21 @@ static int dwc3_pci_quirks(struct pci_de
 		}
 	}
 
+	if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS &&
+	    (pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 ||
+	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI ||
+	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) {
+
+		struct dwc3_platform_data pdata;
+
+		memset(&pdata, 0, sizeof(pdata));
+		pdata.usb3_lpm_capable = true;
+		pdata.has_lpm_erratum = true;
+
+		return platform_device_add_data(pci_get_drvdata(pdev), &pdata,
+						sizeof(pdata));
+	}
+
 	return 0;
 }
 


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