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

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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: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Chen-Yu Tsai <wens@kernel.org>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://patch.msgid.link/aQdHmrchkmOr34r3@stanley.mountain
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Dan Carpenter
2025-11-02 14:59:22 +03:00
committed by Lee Jones
parent 30ed024fb0
commit b73d5593bf
1 changed files with 1 additions and 1 deletions
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2
drivers/mfd/syscon.c
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@@ -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);