diff options
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index 83a0782adc..b399c9bea9 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -727,6 +727,7 @@ int dwc3_uboot_init(struct dwc3_device *dwc3_dev) dwc->dis_u3_susphy_quirk = dwc3_dev->dis_u3_susphy_quirk; dwc->dis_u2_susphy_quirk = dwc3_dev->dis_u2_susphy_quirk; dwc->dis_del_phy_power_chg_quirk = dwc3_dev->dis_del_phy_power_chg_quirk; + dwc->dis_tx_ipgap_linecheck_quirk = dwc3_dev->dis_tx_ipgap_linecheck_quirk; dwc->dis_enblslpm_quirk = dwc3_dev->dis_enblslpm_quirk; dwc->dis_u2_freeclk_exists_quirk = dwc3_dev->dis_u2_freeclk_exists_quirk; @@ -936,6 +937,8 @@ void dwc3_of_parse(struct dwc3 *dwc) "snps,dis_u2_susphy_quirk"); dwc->dis_del_phy_power_chg_quirk = dev_read_bool(dev, "snps,dis-del-phy-power-chg-quirk"); + dwc->dis_tx_ipgap_linecheck_quirk = dev_read_bool(dev, + "snps,dis-tx-ipgap-linecheck-quirk"); dwc->dis_enblslpm_quirk = dev_read_bool(dev, "snps,dis_enblslpm_quirk"); dwc->dis_u2_freeclk_exists_quirk = dev_read_bool(dev, @@ -956,6 +959,7 @@ void dwc3_of_parse(struct dwc3 *dwc) int dwc3_init(struct dwc3 *dwc) { int ret; + u32 reg; dwc3_cache_hwparams(dwc); @@ -977,6 +981,22 @@ int dwc3_init(struct dwc3 *dwc) goto event_fail; } + if (dwc->revision >= DWC3_REVISION_250A) { + reg = dwc3_readl(dwc->regs, DWC3_GUCTL1); + + /* + * Enable hardware control of sending remote wakeup + * in HS when the device is in the L1 state. + */ + if (dwc->revision >= DWC3_REVISION_290A) + reg |= DWC3_GUCTL1_DEV_L1_EXIT_BY_HW; + + if (dwc->dis_tx_ipgap_linecheck_quirk) + reg |= DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS; + + dwc3_writel(dwc->regs, DWC3_GUCTL1, reg); + } + ret = dwc3_core_init_mode(dwc); if (ret) goto mode_fail; |