AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-22 10:13:16 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

USB: DWC3: Put 100 ms delay for phy to be stable

Browse Source 
Before taking core out of reset phy must be stable. So wait for 100ms
after clear phy reset.

Signed-off-by: Pratyush Anand <pratyush.anand@st.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Pratyush Anand 2012-06-21 17:44:28 +05:30 committed by Felipe Balbi
parent 45c396ce6b
commit 45627ac6a4
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/dwc3/core.c
View File

@ -148,6 +148,8 @@ static void dwc3_core_soft_reset(struct dwc3 *dwc)
reg &= ~DWC3_GUSB2PHYCFG_PHYSOFTRST;
dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);
mdelay(100);
/* After PHYs are stable we can take Core out of reset state */
reg = dwc3_readl(dwc->regs, DWC3_GCTL);
reg &= ~DWC3_GCTL_CORESOFTRESET;