Messages in this thread | | | Date | Mon, 02 Feb 2015 12:57:08 +0100 | From | Javier Martinez Canillas <> | Subject | Re: [PATCH v4 3/7] misc: Add cros_ec_lpc driver for x86 devices |
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Hello,
On 01/30/2015 01:51 PM, Javier Martinez Canillas wrote: > On 01/29/2015 10:11 PM, Paul Bolle wrote: >>> + help >>> + If you say Y here, you get support for talking to the ChromeOS EC >>> + over an LPC bus. This uses a simple byte-level protocol with a >>> + checksum. This is used for userspace access only. The kernel >>> + typically has its own communication methods. >>> + >> >> What happens when you say M? >> > > Since it is a tristate kconfig symbol, it can be built as a kernel module > but since there isn't a LPC subsystem, the platform device is registered > in the module_init() function. So, building as a module is trickier since > there won't be an uevent that can trigger a module auto-load based on the > modinfo aliases information. >
FYI, I noticed that other x86 platform drivers use the dmi system information to fill dmi modaliases so the modules are auto-loaded. So I did the same and posted a new version 5 [0] of this series.
Best regards, Javier
[0]: https://lkml.org/lkml/2015/2/2/214
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