diff options
| author | Frank Wang <frank.wang@rock-chips.com> | 2020-05-26 11:33:46 +0800 |
|---|---|---|
| committer | Kever Yang <kever.yang@rock-chips.com> | 2020-05-29 18:13:19 +0800 |
| commit | 7bb62708397d93d92804749b4c4c8d796df418de (patch) | |
| tree | de9686e89e77ed88dd3ea92b5845f4d3bc450331 /drivers/usb/dwc3/core.c | |
| parent | 214de08767a7d83df7a6a93d50b263d3cc714acf (diff) | |
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.
Refer to commit ec791d149bca("usb: dwc3: Add dis_enblslpm_quirk")
in Linux Kernel.
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.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 8d418c9412..8b75de02aa 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -400,6 +400,9 @@ static void 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); mdelay(100); @@ -721,6 +724,7 @@ 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_enblslpm_quirk = dwc3_dev->dis_enblslpm_quirk; dwc->tx_de_emphasis_quirk = dwc3_dev->tx_de_emphasis_quirk; if (dwc3_dev->tx_de_emphasis) @@ -928,6 +932,8 @@ 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_enblslpm_quirk = dev_read_bool(dev, + "snps,dis_enblslpm_quirk"); dwc->tx_de_emphasis_quirk = dev_read_bool(dev, "snps,tx_de_emphasis_quirk"); tmp = dev_read_u8_array_ptr(dev, "snps,tx_de_emphasis", 1); |