diff mbox series

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

Message ID 31e18192c607dff0a7e5ca139dd5737d2224122a.1719879346.git.Thinh.Nguyen@synopsys.com (mailing list archive)
State New
Headers show
Series usb: dwc3: core: Check all ports when set phy suspend | expand

Commit Message

Thinh Nguyen July 2, 2024, 12:19 a.m. UTC 
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: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
---
 drivers/usb/dwc3/core.c | 29 +++++++++++++++++------------
 1 file changed, 17 insertions(+), 12 deletions(-)


base-commit: f7697db8b1b3e80d8cd5af071a5af42c8b445fc4
diff mbox series

Patch

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index cb82557678dd..ea6b1613152f 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -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));
-	if (enable && !dwc->dis_u3_susphy_quirk)
-		reg |= DWC3_GUSB3PIPECTL_SUSPHY;
-	else
-		reg &= ~DWC3_GUSB3PIPECTL_SUSPHY;
+	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));
-	if (enable && !dwc->dis_u2_susphy_quirk)
-		reg |= DWC3_GUSB2PHYCFG_SUSPHY;
-	else
-		reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;
+	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)