Re: [PATCH 3/4] fix module autoloading for ACPI enumerated devices

From: Mark Brown
Date: Tue Jan 14 2014 - 09:42:11 EST


On Tue, Jan 14, 2014 at 04:00:17PM +0800, Zhang Rui wrote:
> On Mon, 2014-01-13 at 17:35 +0000, Mark Brown wrote:
> > On Mon, Jan 13, 2014 at 09:48:31PM +0800, Zhang Rui wrote:
> > > ACPI enumerated devices has ACPI style _HID and _CID strings,
> > > all of these strings can be used for both driver loading and matching.

> If this piece of code is used in an *SPI* driver for an ACPI enumerated
> spi device, the spi driver module_alias is "acpi:INTABCD", but
> the uevent of its spi device node is
> "spi:INTABCD" (PREFIX:spi_device->modalias).

OK that makes sense, but what does this have to do with the _HID and
_CID methods? Surely we're just replacing spi: with acpi: in the uevent?

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