linux-kernel - [PATCH 4.2 104/124] usb: dwc3: pci: Set enblslpm quirk for Synopsys platforms

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Message-Id: <20151207144924.825234223@linuxfoundation.org>
Date:	Mon,  7 Dec 2015 09:56:34 -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 4.2 104/124] usb: dwc3: pci: Set enblslpm quirk for Synopsys platforms

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

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

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

commit 94218ee31ba56fb3a8625978b393124ad660408e upstream.

Certain Synopsys prototyping PHY boards are not able to meet timings
constraints for LPM. This allows the PHY to meet those timings by
leaving the PHY clock running during suspend.

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 |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -112,6 +112,7 @@ static int dwc3_pci_quirks(struct pci_de
 		memset(&pdata, 0, sizeof(pdata));
 		pdata.usb3_lpm_capable = true;
 		pdata.has_lpm_erratum = true;
+		pdata.dis_enblslpm_quirk = true;
 
 		return platform_device_add_data(pci_get_drvdata(pdev), &pdata,
 						sizeof(pdata));


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