Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 1b4977c7 authored by Razmik Karapetyan's avatar Razmik Karapetyan Committed by Felipe Balbi
Browse files

usb: dwc2: Update dwc2_handle_incomplete_isoc_in() function 



Disabled only that ISOC endpoints,for which interrupt bit was set
in the DAINTMSK register. This will allow to minimize incomplete
ISOC IN 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 1b52d2fa

drivers/usb/dwc2/gadget.c

+8 −1
Original line number Diff line number Diff line
@@ -3412,14 +3412,21 @@ static void dwc2_gadget_handle_incomplete_isoc_in(struct dwc2_hsotg *hsotg) 
{

	struct dwc2_hsotg_ep *hs_ep;

	u32 epctrl;

	u32 daintmsk;

	u32 idx;



	dev_dbg(hsotg->dev, "Incomplete isoc in interrupt received:\n");



	daintmsk = dwc2_readl(hsotg->regs + DAINTMSK);



	for (idx = 1; idx <= hsotg->num_of_eps; idx++) {

		hs_ep = hsotg->eps_in[idx];

		/* Proceed only unmasked ISOC EPs */

		if (!hs_ep->isochronous || (BIT(idx) & ~daintmsk))

			continue;



		epctrl = dwc2_readl(hsotg->regs + DIEPCTL(idx));

		if ((epctrl & DXEPCTL_EPENA) && hs_ep->isochronous &&

		if ((epctrl & DXEPCTL_EPENA) &&

		    dwc2_gadget_target_frame_elapsed(hs_ep)) {

			epctrl |= DXEPCTL_SNAK;

			epctrl |= DXEPCTL_EPDIS;