On Thu, Nov 13, 2014 at 05:59:47PM +0200, Andy Shevchenko wrote: > There is no message when PHY is not enabled, IRQ line can't be acquired, or > debugfs registration fails. This patch adds the messages. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> > --- > drivers/usb/chipidea/core.c | 16 ++++++++++++---- > 1 file changed, 12 insertions(+), 4 deletions(-) > > diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c > index c57448a..ffd2457 100644 > --- a/drivers/usb/chipidea/core.c > +++ b/drivers/usb/chipidea/core.c > @@ -659,8 +659,10 @@ static int ci_hdrc_probe(struct platform_device *pdev) > > /* if both generic PHY and USB PHY layers aren't enabled */ > if (PTR_ERR(ci->phy) == -ENOSYS && > - PTR_ERR(ci->usb_phy) == -ENXIO) > + PTR_ERR(ci->usb_phy) == -ENXIO) { > + dev_err(dev, "PHY and USB PHY layers aren't enabled\n"); > return -ENXIO; > + } > > if (IS_ERR(ci->phy) && IS_ERR(ci->usb_phy)) > return -EPROBE_DEFER; > @@ -761,16 +763,22 @@ static int ci_hdrc_probe(struct platform_device *pdev) > platform_set_drvdata(pdev, ci); > ret = request_irq(ci->irq, ci_irq, IRQF_SHARED, ci->platdata->name, > ci); > - if (ret) > + if (ret) { > + dev_err(dev, "can't acquire IRQ line %d\n", ci->irq); > goto stop; > + } > > if (ci_otg_is_fsm_mode(ci)) > ci_hdrc_otg_fsm_start(ci); > > ret = dbg_create_files(ci); > - if (!ret) > - return 0; > + if (ret) { > + dev_err(dev, "can't register debugfs files\n"); > + goto release_irq; > + } > + return 0; > > +release_irq: > free_irq(ci->irq, ci); > stop: > ci_role_destroy(ci); > -- > 2.1.3 > Yes, I find the probe does not show warning for -ENODEV and -ENXIO, I have changed request_irq to devm_request_irq at my next tree, rebase it, and send your v2 please. -- Best Regards, Peter Chen -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html