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

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@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 916905b03c37e2622c4517811adb5afa1e1cbf65..04b87ebe6f94034659b6e98ff770d1bd60c8b73e 100644 (file)
--- 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_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));