Commit b73d5593 authored by Dan Carpenter's avatar Dan Carpenter Committed by Lee Jones
Browse files

mfd: syscon: Return -EPROBE_DEFER if the syscon is not found 



These days we can register syscons with of_syscon_register_regmap() so
when we can't find the syscon that probably means it hasn't been
registered yet.  Return -EPROBE_DEFER so the driver will try probing
again.

Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: default avatarArnd Bergmann <arnd@arndb.de>
Reviewed-by: default avatarChen-Yu Tsai <wens@kernel.org>
Acked-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/aQdHmrchkmOr34r3@stanley.mountain


Signed-off-by: default avatarLee Jones <lee@kernel.org>
parent 30ed024f

drivers/mfd/syscon.c

+1 −1
Original line number Diff line number Diff line
@@ -183,7 +183,7 @@ static struct regmap *device_node_get_regmap(struct device_node *np, 
		if (create_regmap)

			syscon = of_syscon_register(np, check_res);

		else

			syscon = ERR_PTR(-EINVAL);

			syscon = ERR_PTR(-EPROBE_DEFER);

	}

	mutex_unlock(&syscon_list_lock);