diff options
author | Vahram Aharonyan <vahrama@synopsys.com> | 2016-11-15 06:16:43 +0300 |
---|---|---|
committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-11-18 14:54:47 +0300 |
commit | ec01f0b231fc7d910c9d4cf9c435c34537925d95 (patch) | |
tree | ca70d1e632a12459fbbcb0b843e2060c6afff931 /drivers/usb/dwc2 | |
parent | 540ccba08599d9d99696eb7ea85d61e4b1586ec9 (diff) | |
download | linux-ec01f0b231fc7d910c9d4cf9c435c34537925d95.tar.xz |
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>
Diffstat (limited to 'drivers/usb/dwc2')
-rw-r--r-- | drivers/usb/dwc2/gadget.c | 4 | ||||
-rw-r--r-- | drivers/usb/dwc2/hw.h | 1 |
2 files changed, 5 insertions, 0 deletions
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) |