[PATCH AUTOSEL 5.13 03/24] spi: spi-mux: Add module info needed for autoloading

From: Sasha Levin
Date: Tue Aug 10 2021 - 10:15:17 EST


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

[ 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@xxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210721095321.2165453-1-u.kleine-koenig@xxxxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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