Commit 734643df authored by Gregory Herrero's avatar Gregory Herrero Committed by Felipe Balbi

usb: dwc2: host: add flag to reflect bus state

lx_state must be used to reflect controller power state only and not
bus state. Thus add a flag to track state during bus suspend.
Signed-off-by: default avatarGregory Herrero <gregory.herrero@intel.com>
Signed-off-by: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: default avatarRobert Baldyga <r.baldyga@samsung.com>
Tested-by: default avatarDinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: default avatarJohn Youn <johnyoun@synopsys.com>
Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 30db103c
......@@ -764,6 +764,7 @@ struct dwc2_hsotg {
u16 frame_usecs[8];
u16 frame_number;
u16 periodic_qh_count;
bool bus_suspended;
#ifdef CONFIG_USB_DWC2_TRACK_MISSED_SOFS
#define FRAME_NUM_ARRAY_SIZE 1000
......
......@@ -1425,6 +1425,7 @@ static void dwc2_wakeup_detected(unsigned long data)
dev_dbg(hsotg->dev, "Clear Resume: HPRT0=%0x\n",
dwc2_readl(hsotg->regs + HPRT0));
hsotg->bus_suspended = 0;
dwc2_hcd_rem_wakeup(hsotg);
/* Change to L0 state */
......@@ -1461,8 +1462,7 @@ static void dwc2_port_suspend(struct dwc2_hsotg *hsotg, u16 windex)
hprt0 |= HPRT0_SUSP;
dwc2_writel(hprt0, hsotg->regs + HPRT0);
/* Update lx_state */
hsotg->lx_state = DWC2_L2;
hsotg->bus_suspended = 1;
/* Suspend the Phy Clock */
pcgctl = dwc2_readl(hsotg->regs + PCGCTL);
......@@ -1510,6 +1510,7 @@ static void dwc2_port_resume(struct dwc2_hsotg *hsotg)
hprt0 = dwc2_read_hprt0(hsotg);
hprt0 &= ~(HPRT0_RES | HPRT0_SUSP);
dwc2_writel(hprt0, hsotg->regs + HPRT0);
hsotg->bus_suspended = 0;
spin_unlock_irqrestore(&hsotg->lock, flags);
}
......
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