Commit 17926415 authored by Thinh Nguyen's avatar Thinh Nguyen Committed by Greg Kroah-Hartman
Browse files

usb: dwc3: core: Check all ports when set phy suspend 



The dwc3_enable_susphy() applies to all available ports. After the
introduction of multi-port in dwc3, we now know the number of ports. Go
through the phy suspend registers of each port to enable/disable phy
suspend in dwc3_enable_susphy().

Signed-off-by: default avatarThinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/31e18192c607dff0a7e5ca139dd5737d2224122a.1719879346.git.Thinh.Nguyen@synopsys.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 62ce9ef1

drivers/usb/dwc3/core.c

+17 −12
Original line number Diff line number Diff line
@@ -108,22 +108,27 @@ static int dwc3_get_dr_mode(struct dwc3 *dwc) 
void dwc3_enable_susphy(struct dwc3 *dwc, bool enable)

{

	u32 reg;

	int i;



	reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(0));

	for (i = 0; i < dwc->num_usb3_ports; i++) {

		reg = dwc3_readl(dwc->regs, DWC3_GUSB3PIPECTL(i));

		if (enable && !dwc->dis_u3_susphy_quirk)

			reg |= DWC3_GUSB3PIPECTL_SUSPHY;

		else

			reg &= ~DWC3_GUSB3PIPECTL_SUSPHY;



	dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(0), reg);

		dwc3_writel(dwc->regs, DWC3_GUSB3PIPECTL(i), reg);

	}



	reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(0));

	for (i = 0; i < dwc->num_usb2_ports; i++) {

		reg = dwc3_readl(dwc->regs, DWC3_GUSB2PHYCFG(i));

		if (enable && !dwc->dis_u2_susphy_quirk)

			reg |= DWC3_GUSB2PHYCFG_SUSPHY;

		else

			reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;



	dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);

		dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(i), reg);

	}

}



void dwc3_set_prtcap(struct dwc3 *dwc, u32 mode)