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 65165308a04fe0858f908ccd75135748f4612335..77a622cb48ab1555a87dfaf279f5d25368672e99 100644 (file)
--- 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));