[PATCH v1] chipidea: issue message when some calls fail in ->probe()

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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

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