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UPSTREAM: usb: dwc2: Fixed SOF interrupt enabling/disabling

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In case of DDMA mode we don't need to get an SOF interrupt so disable
the unmasking of SOF interrupt in DDMA mode.

Change-Id: I8a58bf26e8c9493a39e3f8ba6da1204d13b52127
Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit 907a444718)
This commit is contained in:
Sevak Arakelyan
2016-04-27 20:20:53 -07:00
committed by Huang, Tao
parent 4b13398a4c
commit 970b192ff5
1 changed files with 2 additions and 1 deletions
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3
drivers/usb/dwc2/hcd_queue.c
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@@ -1709,7 +1709,8 @@ void dwc2_hcd_qh_unlink(struct dwc2_hsotg *hsotg, struct dwc2_qh *qh)
dwc2_deschedule_periodic(hsotg, qh);
hsotg->periodic_qh_count--;
if (!hsotg->periodic_qh_count) {
if (!hsotg->periodic_qh_count &&
hsotg->core_params->dma_desc_enable <= 0) {
intr_mask = dwc2_readl(hsotg->regs + GINTMSK);
intr_mask &= ~GINTSTS_SOF;
dwc2_writel(intr_mask, hsotg->regs + GINTMSK);