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soc: loongson: loongson_pm2: Populate children syscon nodes 

The syscon poweroff and reboot nodes logically belong to the Power
Management Unit so populate possible children.

Without it, the reboot/poweroff feature becomes unavailable.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Binbin Zhou 2023-08-31 19:43:25 +08:00 committed by Arnd Bergmann
parent 8c4102f20a
commit a2fd542287
1 changed files with 6 additions and 0 deletions
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6
drivers/soc/loongson/loongson2_pm.c
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@ -11,6 +11,7 @@
#include <linux/input.h>
#include <linux/suspend.h>
#include <linux/interrupt.h>
#include <linux/of_platform.h>
#include <linux/pm_wakeirq.h>
#include <linux/platform_device.h>
#include <asm/bootinfo.h>
@ -192,6 +193,11 @@ static int loongson2_pm_probe(struct platform_device *pdev)
if (loongson_sysconf.suspend_addr)
suspend_set_ops(&loongson2_suspend_ops);
/* Populate children */
retval = devm_of_platform_populate(dev);
if (retval)
dev_err(dev, "Error populating children, reboot and poweroff might not work properly\n");
return 0;
}