[PATCH 5.17 003/114] hwmon: (tmp401) Add OF device ID table

Greg Kroah-Hartman
2022-05-16T20:28:38Z

From: Camel Guo <camel.guo@axis.com>

[ Upstream commit 3481551f035725fdc46885425eac3ef9b58ae7b7 ]

This driver doesn't have of_match_table. This makes the kernel module
tmp401.ko lack alias patterns (e.g: of:N*T*Cti,tmp411) to match DT node
of the supported devices hence this kernel module will not be
automatically loaded.

After adding of_match_table to this driver, the folllowing alias will be
added into tmp401.ko.
$ modinfo drivers/hwmon/tmp401.ko
filename: drivers/hwmon/tmp401.ko
......
author: Hans de Goede <hdegoede@redhat.com>
alias: of:N*T*Cti,tmp435C*
alias: of:N*T*Cti,tmp435
alias: of:N*T*Cti,tmp432C*
alias: of:N*T*Cti,tmp432
alias: of:N*T*Cti,tmp431C*
alias: of:N*T*Cti,tmp431
alias: of:N*T*Cti,tmp411C*
alias: of:N*T*Cti,tmp411
alias: of:N*T*Cti,tmp401C*
alias: of:N*T*Cti,tmp401
......

Fixes: af503716ac14 ("i2c: core: report OF style module alias for devices registered via OF")
Signed-off-by: Camel Guo <camel.guo@axis.com>
Link: https://lore.kernel.org/r/20220503114333.456476-1-camel.guo@axis.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/hwmon/tmp401.c | 11 +++++++++++
1 file changed, 11 insertions(+)

diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index b86d9df7105d..52c9e7d3f2ae 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -708,10 +708,21 @@ static int tmp401_probe(struct i2c_client *client)
return 0;
}

+static const struct of_device_id __maybe_unused tmp4xx_of_match[] = {
+ { .compatible = "ti,tmp401", },
+ { .compatible = "ti,tmp411", },
+ { .compatible = "ti,tmp431", },
+ { .compatible = "ti,tmp432", },
+ { .compatible = "ti,tmp435", },
+ { },
+};
+MODULE_DEVICE_TABLE(of, tmp4xx_of_match);
+
static struct i2c_driver tmp401_driver = {
.class = I2C_CLASS_HWMON,
.driver = {
.name = "tmp401",
+ .of_match_table = of_match_ptr(tmp4xx_of_match),
},
.probe_new = tmp401_probe,
.id_table = tmp401_id,
--
2.35.1