The hi6421-regulator driver consumes a similarly named platform device.
Adding that to the module device table, allows modprobe to locate this
driver once the device is created.

Cc: Jeremy Linton <lintonrjer...@gmail.com>
Cc: Mark Brown <broo...@kernel.org>
Signed-off-by: Guodong Xu <guodong...@linaro.org>
---
 drivers/regulator/hi6421-regulator.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/regulator/hi6421-regulator.c 
b/drivers/regulator/hi6421-regulator.c
index 62c5f54..259c3a8 100644
--- a/drivers/regulator/hi6421-regulator.c
+++ b/drivers/regulator/hi6421-regulator.c
@@ -621,7 +621,14 @@ static int hi6421_regulator_probe(struct platform_device 
*pdev)
        return 0;
 }
 
+static const struct platform_device_id hi6421_regulator_table[] = {
+       { .name = "hi6421-regulator" },
+       {},
+};
+MODULE_DEVICE_TABLE(platform, hi6421_regulator_table);
+
 static struct platform_driver hi6421_regulator_driver = {
+       .id_table = hi6421_regulator_table,
        .driver = {
                .name   = "hi6421-regulator",
        },
-- 
2.10.2

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