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.
>
But you get the error return value from probe, it indicates the probe has
failed, usually, we don't add more error information at probe.
Peter
> 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
>
--
Best Regards,
Peter Chen
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