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/rtc/rtc-asm9260.ko | grep alias
$
After this patch:
$ modinfo drivers/rtc/rtc-asm9260.ko | grep alias
alias: of:N*T*Calphascale,asm9260-rtcC*
alias: of:N*T*Calphascale,asm9260-rtc
Signed-off-by: Javier Martinez Canillas <jav...@osg.samsung.com>
---
drivers/rtc/rtc-asm9260.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/rtc/rtc-asm9260.c b/drivers/rtc/rtc-asm9260.c
index 18a93d3e3f93..d36534965635 100644
--- a/drivers/rtc/rtc-asm9260.c
+++ b/drivers/rtc/rtc-asm9260.c
@@ -327,6 +327,7 @@ static const struct of_device_id asm9260_dt_ids[] = {
{ .compatible = "alphascale,asm9260-rtc", },
{}
};
+MODULE_DEVICE_TABLE(of, asm9260_dt_ids);
static struct platform_driver asm9260_rtc_driver = {
.probe = asm9260_rtc_probe,
--
2.7.4
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