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usb: dwc3: Set GUSB2PHYCFG.ENBLSLPM

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GUSB2PHYCFG.ENBLSLPM enables the controller to assert low power signals
to the PHY. Unless disabled via device property, explicitly set
GUSB2PHYCFG.ENBLSLPM as it may not be set by default.

Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Thinh Nguyen
2018-11-07 18:10:30 -08:00
committed by Felipe Balbi
parent d102444cac
commit eafeacf119
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/dwc3/core.c
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@ -661,6 +661,8 @@ static int dwc3_phy_setup(struct dwc3 *dwc)
if (dwc->dis_enblslpm_quirk) if (dwc->dis_enblslpm_quirk)
reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM; reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM;
else
reg |= DWC3_GUSB2PHYCFG_ENBLSLPM;
if (dwc->dis_u2_freeclk_exists_quirk) if (dwc->dis_u2_freeclk_exists_quirk)
reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS; reg &= ~DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS;