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drivers: soc: atmel: Avoid calling at91_soc_init on non AT91 SoCs

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commit caab13b4960416b9fee83169a758eb0f31e65109 upstream.

Since at91_soc_init is called unconditionally from atmel_soc_device_init,
we get the following warning on all non AT91 SoCs:
	" AT91: Could not find identification node"

Fix the same by filtering with allowed AT91 SoC list.

Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: stable@vger.kernel.org #4.12+
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201211135846.1334322-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudeep Holla 2020-12-11 13:58:46 +00:00 committed by Greg Kroah-Hartman
parent 326644a0ed
commit 6975f470ca
1 changed files with 12 additions and 0 deletions
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12
drivers/soc/atmel/soc.c
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@ -265,8 +265,20 @@ struct soc_device * __init at91_soc_init(const struct at91_soc *socs)
return soc_dev; return soc_dev;
} }
static const struct of_device_id at91_soc_allowed_list[] __initconst = {
{ .compatible = "atmel,at91rm9200", },
{ .compatible = "atmel,at91sam9", },
{ .compatible = "atmel,sama5", },
{ .compatible = "atmel,samv7", }
};
static int __init atmel_soc_device_init(void) static int __init atmel_soc_device_init(void)
{ {
struct device_node *np = of_find_node_by_path("/");
if (!of_match_node(at91_soc_allowed_list, np))
return 0;
at91_soc_init(socs); at91_soc_init(socs);
return 0; return 0;