| Message ID | 1413464285-24172-3-git-send-email-m.szyprowski@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Thu, Oct 16, 2014 at 02:57:58PM +0200, Marek Szyprowski wrote: > 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. > > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> > --- > drivers/usb/dwc2/gadget.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c > index 119c8a3effc2..8870e38c1d82 100644 > --- a/drivers/usb/dwc2/gadget.c > +++ b/drivers/usb/dwc2/gadget.c > @@ -2333,7 +2333,7 @@ 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__); considering this is inside an IRQ handler, I'd rather use dev_vdbg() but no strong feelings: Reviewed-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 119c8a3effc2..8870e38c1d82 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2333,7 +2333,7 @@ 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));
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. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- drivers/usb/dwc2/gadget.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)