linux-kernel - [PATCH] of: add some debugging statements if initrd isn't found

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Message-ID: <20120203141520.4900a23b@debxo>
Date:	Fri, 3 Feb 2012 14:15:20 -0800
From:	Andres Salomon <dilinger@...ued.net>
To:	Grant Likely <grant.likely@...retlab.ca>
Cc:	Rob Herring <rob.herring@...xeda.com>,
	devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] of: add some debugging statements if initrd isn't found


While debugging initrd problems in a FDT blob, it's nice to both terminate
the "Looking for initrd properties... " with a newline, as well as letting us
know which property wasn't found.

Signed-off-by: Andres Salomon <dilinger@...ued.net>
---
 drivers/of/fdt.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index ea2bd1b..92234f7 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -561,13 +561,17 @@ void __init early_init_dt_check_for_initrd(unsigned long node)
 	pr_debug("Looking for initrd properties... ");
 
 	prop = of_get_flat_dt_prop(node, "linux,initrd-start", &len);
-	if (!prop)
+	if (!prop) {
+		pr_debug("couldn't find linux,initrd-start\n");
 		return;
+	}
 	start = of_read_ulong(prop, len/4);
 
 	prop = of_get_flat_dt_prop(node, "linux,initrd-end", &len);
-	if (!prop)
+	if (!prop) {
+		pr_debug("couldn't find linux,initrd-end\n");
 		return;
+	}
 	end = of_read_ulong(prop, len/4);
 
 	early_init_dt_setup_initrd_arch(start, end);
-- 
1.7.2.5
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