usb: dwc3: core: drop DWC3_EVENT_BUFFERS_MAX
hardware will tell us how many event buffers we
need to support, so let's allocate the array
dynamically too.
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 83e382b..a2db411 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -221,6 +221,12 @@
num = DWC3_NUM_INT(dwc->hwparams.hwparams1);
dwc->num_event_buffers = num;
+ dwc->ev_buffs = kzalloc(sizeof(*dwc->ev_buffs) * num, GFP_KERNEL);
+ if (!dwc->ev_buffs) {
+ dev_err(dwc->dev, "can't allocate event buffers array\n");
+ return -ENOMEM;
+ }
+
for (i = 0; i < num; i++) {
struct dwc3_event_buffer *evt;