FAILED: patch "[PATCH] drivers: soc: atmel: add null entry at the end of" failed to apply to 5.4-stable tree

* FAILED: patch "[PATCH] drivers: soc: atmel: add null entry at the end of" failed to apply to 5.4-stable tree
@ 2021-03-01 10:32 gregkh
  2021-03-01 10:52 ` Arnd Bergmann
  0 siblings, 1 reply; 3+ messages in thread
From: gregkh @ 2021-03-01 10:32 UTC (permalink / raw)
  To: claudiu.beznea, arnd, nicolas.ferre; +Cc: stable


The patch below does not apply to the 5.4-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 975435132ecfef8de2118668c9f4f95086a0aae5 Mon Sep 17 00:00:00 2001
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Date: Fri, 22 Jan 2021 14:21:34 +0200
Subject: [PATCH] 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: caab13b49604 ("drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs")
Cc: stable@vger.kernel.org #4.12+
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>

diff --git a/drivers/soc/atmel/soc.c b/drivers/soc/atmel/soc.c
index 728d461ad6d6..698d21f50516 100644
--- a/drivers/soc/atmel/soc.c
+++ b/drivers/soc/atmel/soc.c
@@ -275,7 +275,8 @@ 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)


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