diff options
| author |   John Youn <John.Youn@synopsys.com> | 2015-10-02 20:30:57 -0700 |
|---|---|---|
| committer |   Felipe Balbi <balbi@ti.com> | 2015-10-09 16:06:59 -0500 |
| commit | ec791d149bca4511e7d3a6a92bb3b030c5a443f9 (patch) | |
| tree | 8b4120bbce2831794e5c66c995ff2c72a6317fe2 /drivers/usb/dwc3/core.c | |
| parent | usb: dwc3: pci: Add platform data for Synopsys HAPS (diff) | |
| download | linux-dev-ec791d149bca4511e7d3a6a92bb3b030c5a443f9.tar.xz linux-dev-ec791d149bca4511e7d3a6a92bb3b030c5a443f9.zip | |
usb: dwc3: Add dis_enblslpm_quirk
Add a quirk to clear the GUSB2PHYCFG.ENBLSLPM bit, which controls
whether the PHY receives the suspend signal from the controller.
Cc: <stable@vger.kernel.org> # v3.18+
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 1e276d5662f2..22b4797383cd 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -515,6 +515,9 @@ static int dwc3_phy_setup(struct dwc3 *dwc) if (dwc->dis_u2_susphy_quirk) reg &= ~DWC3_GUSB2PHYCFG_SUSPHY; + if (dwc->dis_enblslpm_quirk) + reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM; + dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg); return 0; @@ -912,6 +915,8 @@ static int dwc3_probe(struct platform_device *pdev) "snps,dis_u3_susphy_quirk"); dwc->dis_u2_susphy_quirk = device_property_read_bool(dev, "snps,dis_u2_susphy_quirk"); + dwc->dis_enblslpm_quirk = device_property_read_bool(dev, + "snps,dis_enblslpm_quirk"); dwc->tx_de_emphasis_quirk = device_property_read_bool(dev, "snps,tx_de_emphasis_quirk"); @@ -945,6 +950,7 @@ static int dwc3_probe(struct platform_device *pdev) dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk; dwc->dis_u3_susphy_quirk = pdata->dis_u3_susphy_quirk; dwc->dis_u2_susphy_quirk = pdata->dis_u2_susphy_quirk; + dwc->dis_enblslpm_quirk = pdata->dis_enblslpm_quirk; dwc->tx_de_emphasis_quirk = pdata->tx_de_emphasis_quirk; if (pdata->tx_de_emphasis) |