Re: [PATCH] rtc: Make rtc-ds1742 driver hotplug-aware

From: David Brownell
Date: Fri Aug 17 2007 - 11:23:19 EST


On Friday 17 August 2007, Jan Engelhardt wrote:
> On Aug 17 2007 01:06, Atsushi Nemoto wrote:
> >Add an MODULE_ALIAS() to make this platform driver hotplug-aware.
> >
> >...
> >+MODULE_ALIAS("ds1742");
>
> Why exactly is this needed? What script refers to the module as ds1742 instead
> of rtc-ds1742? Regular hotplug (e.g. udev/modprobe) also go by PCI ID or
> whatever is applicable and load the module which provides support for said ID.

Most busses don't have managed device IDs like PCI, USB, or PNP.

The platform, spi, and i2c busses use the driver name, which is
obviously managed within the scope of all Linux drivers.

- Dave
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/