diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index f66baaef8a40..c0c89374716b 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -4082,7 +4082,6 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3_event_buffer *evt) struct dwc3 *dwc = evt->dwc; irqreturn_t ret = IRQ_NONE; int left; - u32 reg; left = evt->count; @@ -4114,9 +4113,8 @@ static irqreturn_t dwc3_process_event_buf(struct dwc3_event_buffer *evt) ret = IRQ_HANDLED; /* Unmask interrupt */ - reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(0)); - reg &= ~DWC3_GEVNTSIZ_INTMASK; - dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), reg); + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), + DWC3_GEVNTSIZ_SIZE(evt->length)); if (dwc->imod_interval) { dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), DWC3_GEVNTCOUNT_EHB); @@ -4145,7 +4143,6 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt) struct dwc3 *dwc = evt->dwc; u32 amount; u32 count; - u32 reg; if (pm_runtime_suspended(dwc->dev)) { pm_runtime_get(dwc->dev); @@ -4172,9 +4169,8 @@ static irqreturn_t dwc3_check_event_buf(struct dwc3_event_buffer *evt) evt->flags |= DWC3_EVENT_PENDING; /* Mask interrupt */ - reg = dwc3_readl(dwc->regs, DWC3_GEVNTSIZ(0)); - reg |= DWC3_GEVNTSIZ_INTMASK; - dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), reg); + dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), + DWC3_GEVNTSIZ_INTMASK | DWC3_GEVNTSIZ_SIZE(evt->length)); amount = min(count, evt->length - evt->lpos); memcpy(evt->cache + evt->lpos, evt->buf + evt->lpos, amount); |