Commit d8484552 authored by Razmik Karapetyan's avatar Razmik Karapetyan Committed by Felipe Balbi

usb: dwc2: Update GINTSTS_GOUTNAKEFF interrupt handling

Disabled only unmasked endpoints based on DAINTMSK register.
This will allow to minimize GINTSTS_GOUTNAKEFF interrupt handling.
Acked-by: default avatarJohn Youn <johnyoun@synopsys.com>
Signed-off-by: default avatarRazmik Karapetyan <razmik@synopsys.com>
Signed-off-by: default avatarMinas Harutyunyan <hminas@synopsys.com>
Signed-off-by: default avatarGrigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 689efb26
...@@ -3628,8 +3628,11 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) ...@@ -3628,8 +3628,11 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw)
u8 idx; u8 idx;
u32 epctrl; u32 epctrl;
u32 gintmsk; u32 gintmsk;
u32 daintmsk;
struct dwc2_hsotg_ep *hs_ep; struct dwc2_hsotg_ep *hs_ep;
daintmsk = dwc2_readl(hsotg->regs + DAINTMSK);
daintmsk >>= DAINT_OUTEP_SHIFT;
/* Mask this interrupt */ /* Mask this interrupt */
gintmsk = dwc2_readl(hsotg->regs + GINTMSK); gintmsk = dwc2_readl(hsotg->regs + GINTMSK);
gintmsk &= ~GINTSTS_GOUTNAKEFF; gintmsk &= ~GINTSTS_GOUTNAKEFF;
...@@ -3638,9 +3641,13 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw) ...@@ -3638,9 +3641,13 @@ static irqreturn_t dwc2_hsotg_irq(int irq, void *pw)
dev_dbg(hsotg->dev, "GOUTNakEff triggered\n"); dev_dbg(hsotg->dev, "GOUTNakEff triggered\n");
for (idx = 1; idx <= hsotg->num_of_eps; idx++) { for (idx = 1; idx <= hsotg->num_of_eps; idx++) {
hs_ep = hsotg->eps_out[idx]; hs_ep = hsotg->eps_out[idx];
/* Proceed only unmasked ISOC EPs */
if (!hs_ep->isochronous || (BIT(idx) & ~daintmsk))
continue;
epctrl = dwc2_readl(hsotg->regs + DOEPCTL(idx)); epctrl = dwc2_readl(hsotg->regs + DOEPCTL(idx));
if ((epctrl & DXEPCTL_EPENA) && hs_ep->isochronous) { if (epctrl & DXEPCTL_EPENA) {
epctrl |= DXEPCTL_SNAK; epctrl |= DXEPCTL_SNAK;
epctrl |= DXEPCTL_EPDIS; epctrl |= DXEPCTL_EPDIS;
dwc2_writel(epctrl, hsotg->regs + DOEPCTL(idx)); dwc2_writel(epctrl, hsotg->regs + DOEPCTL(idx));
......
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