4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
commit 13edb767aa609b6efb7c0c2b57fbd72a6ded0eed upstream.
If the driver is built as a module, autoload won't work because the module
alias information is not filled. So user-space can't match the registered
device with the corresponding module.
Export the module alias information using the MODULE_DEVICE_TABLE() macro.
Before this patch:
$ modinfo drivers/hwmon/scpi-hwmon.ko | grep alias
$
After this patch:
$ modinfo drivers/hwmon/scpi-hwmon.ko | grep alias
alias: of:N*T*Carm,scpi-sensorsC*
alias: of:N*T*Carm,scpi-sensors
Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>
Fixes: ea98b29a05e9c ("hwmon: Support sensors exported via ARM SCP interface")
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hwmon/scpi-hwmon.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/hwmon/scpi-hwmon.c
+++ b/drivers/hwmon/scpi-hwmon.c
@@ -251,6 +251,7 @@ static const struct of_device_id scpi_of
{.compatible = "arm,scpi-sensors"},
{},
};
+MODULE_DEVICE_TABLE(of, scpi_of_match);
static struct platform_driver scpi_hwmon_platdrv = {
.driver = {
--
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