linux-kernel - [PATCH AUTOSEL 5.10 03/20] spi: spi-mux: Add module info needed for autoloading

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Date:   Tue, 10 Aug 2021 10:15:21 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, Mark Brown <broonie@...nel.org>,
        Sasha Levin <sashal@...nel.org>, linux-spi@...r.kernel.org
Subject: [PATCH AUTOSEL 5.10 03/20] spi: spi-mux: Add module info needed for autoloading

From: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

[ Upstream commit 1d5ccab95f06675a269f4cb223a1e3f6d1ebef42 ]

With the spi device table udev can autoload the spi-mux module in
the presence of an spi-mux device.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>
Link: https://lore.kernel.org/r/20210721095321.2165453-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/spi/spi-mux.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/spi/spi-mux.c b/drivers/spi/spi-mux.c
index 37dfc6e82804..9708b7827ff7 100644
--- a/drivers/spi/spi-mux.c
+++ b/drivers/spi/spi-mux.c
@@ -167,10 +167,17 @@ static int spi_mux_probe(struct spi_device *spi)
 	return ret;
 }
 
+static const struct spi_device_id spi_mux_id[] = {
+	{ "spi-mux" },
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, spi_mux_id);
+
 static const struct of_device_id spi_mux_of_match[] = {
 	{ .compatible = "spi-mux" },
 	{ }
 };
+MODULE_DEVICE_TABLE(of, spi_mux_of_match);
 
 static struct spi_driver spi_mux_driver = {
 	.probe  = spi_mux_probe,
@@ -178,6 +185,7 @@ static struct spi_driver spi_mux_driver = {
 		.name   = "spi-mux",
 		.of_match_table = spi_mux_of_match,
 	},
+	.id_table = spi_mux_id,
 };
 
 module_spi_driver(spi_mux_driver);
-- 
2.30.2