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From:   Dong Aisheng <aisheng.dong@nxp.com>
To:     linux-kernel@vger.kernel.org
Cc:     linux-imx@nxp.com, dongas86@gmail.com,
        Dong Aisheng <aisheng.dong@nxp.com>,
        devicetree@vger.kernel.org, Saravana Kannan <saravanak@google.com>,
        Rob Herring <robh@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: [PATCH 2/3] of: property: add debug info for supplier devices still unavailable
Date:   Thu, 19 Nov 2020 19:00:35 +0800
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It's normal that supplier devices may still unavaiable when parse DT to
create dependency. e.g. supplier devices populated by drivers.
Add debug info for this case.

Cc: devicetree@vger.kernel.org
Cc: Saravana Kannan <saravanak@google.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
---
 drivers/of/property.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/of/property.c b/drivers/of/property.c
index 408a7b5f06a9..21a854e85234 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1150,6 +1150,8 @@ static int of_link_to_phandle(struct device *dev, struct device_node *sup_np,
 			 * Can't check for cycles or no cycles. So let's try
 			 * again later.
 			 */
+			dev_dbg(dev, "Not linking to %pOFP - device may still unavailable\n",
+				sup_np);
 			ret = -EAGAIN;
 		}
 
-- 
2.23.0