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usb: dwc2: gadget: Enable the BNA interrupt 

Enable the BNA (Buffer Not Available) interrupt in descriptor DMA mode.

Signed-off-by: Vahram Aharonyan <vahrama@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Vahram Aharonyan 2016-11-14 19:16:43 -08:00 committed by Felipe Balbi
parent 540ccba085
commit ec01f0b231
2 changed files with 5 additions and 0 deletions
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4
drivers/usb/dwc2/gadget.c
View File

@ -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",

1
drivers/usb/dwc2/hw.h
View File

@ -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)