usb: dwc2: gadget: fix enumeration issues

Excessive debug messages might cause timing issues that prevent correct
usb enumeration. This patch hides information about USB bus reset to let
driver enumerate fast enough to avoid making host angry. This fixes
endless enumeration and usb reset loop observed with some Linux hosts.

Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index eee87098bb8b947458383ab3cc425458a598dae9..8b5c079c7b7dde3fb1eb0e9739e117a835c23176 100644 (file)
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -2327,7 +2327,7 @@ irq_retry:
 
                u32 usb_status = readl(hsotg->regs + GOTGCTL);
 
-               dev_info(hsotg->dev, "%s: USBRst\n", __func__);
+               dev_dbg(hsotg->dev, "%s: USBRst\n", __func__);
                dev_dbg(hsotg->dev, "GNPTXSTS=%08x\n",
                        readl(hsotg->regs + GNPTXSTS));