usb: dwc3: calculate the number of endpoints
hwparams2 holds the number of endpoints which
were selected during RTL generation, we can
use that on our driver.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index c6a46e0..66c0572 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -260,6 +260,17 @@
}
}
+static void dwc3_core_num_eps(struct dwc3 *dwc)
+{
+ struct dwc3_hwparams *parms = &dwc->hwparams;
+
+ dwc->num_in_eps = DWC3_NUM_IN_EPS(parms);
+ dwc->num_out_eps = DWC3_NUM_EPS(parms) - dwc->num_in_eps;
+
+ dev_vdbg(dwc->dev, "found %d IN and %d OUT endpoints\n",
+ dwc->num_in_eps, dwc->num_out_eps);
+}
+
static void dwc3_cache_hwparams(struct dwc3 *dwc)
{
struct dwc3_hwparams *parms = &dwc->hwparams;
@@ -336,6 +347,8 @@
if (dwc->revision < DWC3_REVISION_190A)
reg |= DWC3_GCTL_U2RSTECN;
+ dwc3_core_num_eps(dwc);
+
dwc3_writel(dwc->regs, DWC3_GCTL, reg);
return 0;