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usb: dwc3: Add dis_enblslpm_quirk

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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>
This commit is contained in:
John Youn
2015-10-02 20:30:57 -07:00
committed by Felipe Balbi
parent bb7f3d6d32
commit ec791d149b
4 changed files with 13 additions and 0 deletions
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6
drivers/usb/dwc3/core.c
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@@ -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)