From: Vahram Aharonyan Date: Tue, 15 Nov 2016 03:16:43 +0000 (-0800) Subject: usb: dwc2: gadget: Enable the BNA interrupt X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ec01f0b231fc7d910c9d4cf9c435c34537925d95;p=linux-beck.git usb: dwc2: gadget: Enable the BNA interrupt Enable the BNA (Buffer Not Available) interrupt in descriptor DMA mode. Signed-off-by: Vahram Aharonyan Signed-off-by: John Youn Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 6f74a3f93365..9f2875661bbd 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -3227,6 +3227,10 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, DOEPMSK_SETUPMSK, hsotg->regs + DOEPMSK); + /* Enable BNA interrupt for DDMA */ + if (using_desc_dma(hsotg)) + __orr32(hsotg->regs + DOEPMSK, DOEPMSK_BNAMSK); + dwc2_writel(0, hsotg->regs + DAINTMSK); dev_dbg(hsotg->dev, "EP0: DIEPCTL0=0x%08x, DOEPCTL0=0x%08x\n", diff --git a/drivers/usb/dwc2/hw.h b/drivers/usb/dwc2/hw.h index 631396ba733f..5be056b39e5c 100644 --- a/drivers/usb/dwc2/hw.h +++ b/drivers/usb/dwc2/hw.h @@ -474,6 +474,7 @@ #define DIEPMSK_XFERCOMPLMSK (1 << 0) #define DOEPMSK HSOTG_REG(0x814) +#define DOEPMSK_BNAMSK (1 << 9) #define DOEPMSK_BACK2BACKSETUP (1 << 6) #define DOEPMSK_STSPHSERCVDMSK (1 << 5) #define DOEPMSK_OUTTKNEPDISMSK (1 << 4)