From: John Youn <John.Youn@synopsys.com>
Date: Sat, 3 Oct 2015 03:32:17 +0000 (-0700)
Subject: usb: dwc3: pci: Set enblslpm quirk for Synopsys platforms
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=94218ee31ba56fb3a8625978b393124ad660408e;p=linux-beck.git

usb: dwc3: pci: Set enblslpm quirk for Synopsys platforms

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.

Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 65165308a04f..77a622cb48ab 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -118,6 +118,7 @@ static int dwc3_pci_quirks(struct pci_dev *pdev)
 		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));