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authorGrigor Tovmasyan <Grigor.Tovmasyan@synopsys.com>2018-05-05 12:17:58 +0400
committerFelipe Balbi <felipe.balbi@linux.intel.com>2018-05-15 10:16:47 +0300
commitb43ebc96e985fed9417c6aff769a6839bdaa6cdf (patch)
tree5b2c05b2f796e8ff680d440f9935e525d890d34c /drivers/usb/dwc2/gadget.c
parent37981e00503f6bdeb99108ff90199002c3eec2f5 (diff)
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usb: dwc2: Add Interpacket Gap(IPG) feature support
Added GHWCFG4_IPG_ISOC_SUPPORTED and DCFG_IPG_ISOC_SUPPORDED bits definitions to enable/disable IPG feature. Added ipg_isoc_en core parameter which will indicate IPG support enable/disable and initialize it. Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2/gadget.c')
-rw-r--r--drivers/usb/dwc2/gadget.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 403e99026c52..abd22b4f8c99 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3236,6 +3236,9 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg,
dcfg |= DCFG_DEVSPD_HS;
}
+ if (hsotg->params.ipg_isoc_en)
+ dcfg |= DCFG_IPG_ISOC_SUPPORDED;
+
dwc2_writel(dcfg, hsotg->regs + DCFG);
/* Clear any pending OTG interrupts */