linux-kernel - [PATCH 4/7] drivers: soc: atmel: add null entry at the end of at91_soc_allowed

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Date:   Fri, 22 Jan 2021 14:21:34 +0200
From:   Claudiu Beznea <claudiu.beznea@...rochip.com>
To:     <nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <ludovic.desroches@...rochip.com>, <robh+dt@...nel.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>
Subject: [PATCH 4/7] drivers: soc: atmel: add null entry at the end of at91_soc_allowed_list[]

of_match_node() calls __of_match_node() which loops though the entries of
matches array. It stops when condition:
(matches->name[0] || matches->type[0] || matches->compatible[0]) is
false. Thus, add a null entry at the end of at91_soc_allowed_list[]
array.

Fixes: 960ddf70cc11 ("drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs")
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
---
 drivers/soc/atmel/soc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index 9d10a526cd3c..a196e171f6cc 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c
@@ -276,7 +276,8 @@ static const struct of_device_id at91_soc_allowed_list[] __initconst = {
 	{ .compatible = "atmel,at91rm9200", },
 	{ .compatible = "atmel,at91sam9", },
 	{ .compatible = "atmel,sama5", },
-	{ .compatible = "atmel,samv7", }
+	{ .compatible = "atmel,samv7", },
+	{ }
 };
 
 static int __init atmel_soc_device_init(void)
-- 
2.7.4